轮机英语真题43期,甲类三管轮
轮机英语三管轮试题甲板机械
轮机英语三管轮试题甲板机械1907. _____ are used to handle anchors and chains.A. Cargo winchesB. Mooring winchesC. WindlassesD. Cargo hatches 1908. _____ are used for hauling in or letting out the wires which fasten the ship to the shore.A. Cargo winchesB. Mooring winchesC. WindlassesD. Cargo hatches 1909. _____ unit is mounted so as to raise and lower the cable from the spurling pipe, which is at the top and center of the chain or cable locker.A. The cable lifterB. The hoisting motorC. The topping wireD. The life-raft 1910. _____, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.A. The winch motorB. The band brakeC. The winch barrelD. The anchor capstan1911. The_____ is used for hauling in or letting out the wires or ropes.A. windlassB. anchor capstanC. turning gearD. winch barrel1912. Anchor_____ are used in some installations where the cable lifter rotates about a vertical axis.A. windlassesB. drumsC. capstansD. warp ends1913. Anchor capstans are used in some installation where the cable lifter rotates about a _____.A. horizontal axisB. crankshaftC. vertical axisD. camshaft1914. In the cargo winch, spur reduction gearing transfers the motor drive to_____.A. the toping lightB. the board brakeC. the fail-safeD. the barrel shaft 1915. If an anchor windlass has been idle for some time, you should_____.A. repack all valve stemsB. lubricate it prior to useC. replace the foundation boltsD. balance the warping heads1916. If the pump for a hydraulic anchor windlass is over heating, the cause may be_____.A. increased pump speedB. excessive pump discharge pressureC. too low of a tilting box angleD. low pump speed1917. The part of the anchor windlass that engages theanchor chain for lifting is called the _____.A. warping headB. fairleadC. wildcatD. capstan1918. If the pump for a hydraulic anchor windlass is overheating, the cause may be_____.A. excessive drive motor speedB. excessive pump discharge pressureC. too low of a tilting box angleD. insufficient drive motor speed1919. Auxiliary machinery covers everything onboard except_____.A. main enginesB. main boilersC. pipes and fittingsD. A and B1920. Mooring winches are often combined with_____ units so that one prime mover drives both.A. craneB. hatch coverC. windlassD. steering gear1921. The most common forms of main drive used on deck auxiliaries are_____.A. steam plants, electric motors and compressed airB. diesel engine, hydraulic machinery and compressed airC. steam plants, electric motors and hydraulic machineryD. diesel engines, steam plants and hydraulic machinery1922. Most anchor handling equipment incorporates_____ formooring purposes. A. cable lifters B. spur wheels C. bollard D. warp ends1923. The duty of a deck winch is to lift and lower a load by means of a fixed rope on_____.A. a warp endB. a mooring winchC. a worm gearD. a barrel课后练习1924. _____are used to handle anchors and chains.A. cargo winchesB. mooring winchesC. windlassesD. cargo hatches1925. _____are used for hauling in or letting out the wires which fasten the ship to the shore.A. cargo winchesB. mooring winchesC. windlassesD. cargo hatches 1926. When the power is shut off, the wire______.A. becomes slackB. can not be paid out unless the brake is overhauled or recover wire unless manually operatedC. will be let out because the brake is out of workD. may be pay out due to no power1927. In an automatic mooring winches, the wire is paid off the barrel at a _______tension and is recovered at_____ tension.A. lower/higherB. maximum/higherC. predetermined minimum/higherD. predetermined minimum/lower 1928. The spur geared mooring winches have advantages over worm geared ones in_______A. higher efficiency of the gear train while reversingB. the higher gear ratioC. the multi-start featureD. higher recovering speed大连新题1929. The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when _______.A. excessive loads are placed on the winchB. minimum pull is being exerted by the winchC. automatic operation of the winch is desiredD. wire is being retired at the maximum rate1930. ____with various arrangements of barrels are the usual mooring equipment used on board ships.A. CranesB. WinchesC. CapstansD. Windlass1931. The ___is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.A. cranesB. winch barrelC. capstansD. windlass1932. In automatic ____. The winch may be overhauled and wire is paid off the barrel at a pre-determined maximum tension.A. cranesB. windlassC. capstansD. mooring winches1933. The majority of automatic mooring winches ate spur geared to improve the Backward efficiency of the gear train for renderingA. spur gearedB. screw gearedC. worn gearedD. belt driven1934. Worm geared automatic mooring winches are ____ as the multi-start feature reduces the advantage of worn gear i.e. high gear ratioA. popularB. commonC. in lead positionD. uncommon 1935. The rotating units of a split windlass consists of a ___with shaped smug to grin the anchor cable, a mooring drum for paying out to letting go of mooting wires and a warp end for warping duties.A. canesB. mooring barrelC. capstansD. cable lifter1936. The cable lifer, mooring drum and warp end of a split windlass may be separately engaged or disengaged by means of a ____A. dog clutchB. pair of gearsC. worm gearD. turning gear添加题1937. _______ is put into use in the late years to maintain a preset tension in a mooring line after a ship after a ship has been tied up at a pier.A the large-tension mooringB the small-tension mooringC the variable-tension mooringD the constant-tension mooring1938. In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, _______A without the necessary of manually adjusting the linesB without the necessity of automatically adjusting the linesC with the necessity of manually adjusting the linesD with the un-necessity of automatically adjusting the lines1939. Which gears must be maintained in proper alignment to prevent _______ A overheating of the lube oil B over-speeding of motorC wear on the braking systemD damage to teeth。
轮机长，大管轮，三管轮，机工面试试题
轮机长，大管轮，三管轮，机工面试试题面试李XX老轨题目：1.简单描述最近一次PSC检查过程。
（英语）2.最近一次PSC检查出现何种缺陷？（英语）3.移动式灭火器种类有哪些？（英语）4.美国海域如何使用低硫油？（英语）5.上条船使用气缸油系统型号？气缸油种类？（汉语）6.主机换向失败报警如何处理？（汉语）7.换油过程需要注意哪些事项？换油过程中主机高压油泵或油头卡死如何处理？（汉语）8.PSC检查中可能会检查哪些轮机部项目？（汉语）9.救生艇检查中轮机项目有哪些？四种灯检查？（汉语）10.上条船运输过何种货物？装粮时轮机部需要做哪些工作配合？（汉语）（油舱加热温度不高于40度；货舱污水管路封死等）11.扫气口发黑可能是哪种原因？（汉语）12.如何进行风险评估?（汉语）（矩阵处理法：风险发生的可能性x风险事件致损程度=风险等级，相应的风险控制措施）面试叶XX老轨题目（两个面试的）：1、主机高压油泵在换油时，柱塞偶件咬合怎么办？两个面面试的，分别用汉语和英语；（汉语、英语）2、你做过的船中，你曾碰到过哪些故障是很难解决的或解决不了的？（汉语）3、自我介绍；（英语）4、加油前应准备哪些工作？（汉语）加油时，BDN有争议时，怎么解决？（英语）5、油水分离器PSC检查时，都检查哪些内容？（英语）6、隔离阀有什么作用？（汉语）7、主机增压器前温度一般是多少？增压器后一般是多少？前后那个高？（英语）（前300多、后200多）8、美国控制区如何换油？（汉语）9、如何控制油耗与速度？（汉语）10、叶老轨当时在医院，声音很吵，还有其他英语提问，一时想不起来。
面试谢XX老轨题目上山东德丰（三个面试的）：1. PSC主要检查哪些项目？（汉语/英语）2. 油水记录簿中C,D各舱柜要与哪个证书相符？（IOPP附页）3. TECHNICAL FILE记录哪些内容？（柴油机参数记录簿记录）4. 电喷主机与传统主机区别？5. 电喷主机管理重点。
三管轮考证轮机英语41-48期试题教材
中华人民共和国海事局2006年第3期海船船员适任证书全国统考试题(总第41期)科目：轮机英语试卷代号：805适用对象：无限、近洋航区3000KW及以上船舶二/三管轮（本试卷卷面总分100分，及格分为70分，考试时间为100分钟）答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑。
第1题至74题，每题1分，第75题至78题，每题1.5分,第79题至80题, 每题10分。
一、单项选择题1. A diesel engine is similar to a gasoline engine except that the former has no ______.A. cross-headB. spark plugC. connecting rodD. cylinder2. A diesel engine which is rated for normal operation at a crankshaft speed of 800 RPM, is commonly classed as a______.A. slow-speed dieselB. medium-speed dieselC. high-speed dieselD. constant-speed diesel3.Which of the diesel engine components listed increases air density and helps to improve engine operating efficiency?A. ImpellerB. CompressorC. After-coolerD. Exhaust diffuser4.For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle dieselengine because ______.A. it has a longer power strokeB. more air gets into the cylinder each strokeC. it develops twice as many power strokes at the same speedD. higher combustion pressure is developed5.The intake valves in a diesel engine are reseated by ______.A. cam followersB. push rodsC. combustion gasesD. valve springs6.According to the way the energy of the exhaust gases is utilized, pressure-charging can be divided into two mainsystems, namely, the constant-pressure system and ______.A. the pulse-phase systemB. the pulse Doppler systemC. the pulse systemD. the pulse interval system7.An over-speed safety device is usually fitted to a generator engine for______in the event of over-speed.A. cutting power off the engineB. increasing the fuel pump settingC. braking the crankshaftD. stabilizing the ship speed8.What preventative maintenance should be done frequently to diesel engine starting air receivers?A. Drain the accumulated moisture.B. Test the relief valves.C. Watch the temperature to prevent fluctuations in pressure.D. Clean the interior to remove oil and foreign matter.9.Immediately after any diesel engine is started, the engineer should check the ______.A. crankcase pressureB. lube oil pressureC. seawater pressureD. exhaust temperature10. A controllable pitch propeller on a diesel driven vessel eliminates the need for ______.A. friction clutchesB. disconnect clutchesC. reversing gearsD. reduction gears11.In motor ship, ______is often used to recover some of the heat carried in the exhaust gases from the main engine.A. an diesel oil heaterB. a waste heat boilerC. a fresh water generatorD. a donkey boiler12.An exhaust gas bypass is installed on a waste heat boiler in order to ______.A. bypass exhaust gas at high loads to prevent excessive back pressureB. bypass a portion of the exhaust gas at peak loads for better efficiencyC. recycle exhaust gas to the turbochargerD. minimize moisture condensation in the boiler gas passages at low loads13.Prior to lighting off a cold automatically fired auxiliary boiler, you should ______.A. check and regulate the water levelB. close the air cock once fires are litC. blow down the gage glassD. assure protective steam flow14.Flame failure in an automatically fired auxiliary boiler can mostly result from a/an ______.A. incorrect electrode settingB. incorrect nozzle positionC. clogged fuel nozzleD. broken high tension lead15.Waterside scale in a fire-tube boiler may cause ______.A. increased heat transferB. fireside erosionC. high steam demandD. overheated tubes16.Which of the following will be the advantage of a centrifugal pump as compared with a reciprocating pump? I. Itsdischarge is continuous; II. It has no internal valves; III. Upon accidental closing of discharge valve, excessive pressure will not build upA. I, IIB. II, IIIC. I, II, IIID. II only17.Why are removable sleeves installed on centrifugal pump shafts?A. They make it easier to replace the pump shaft packing.B. They can be economically replaced as they wear out.C. They can be removed when it is necessary to lighten the weight of the pump.D. They increase the strength of the shaft.18.If one of the bilge system manifold valves does not properly seat, the ______.A. bilge well connected to that valve, plus the second bilge well being pumped will be completelyemptiedB. bilge system will lose vacuum and prevent the other bilges from being pumped outC. bilge well aft connected to that valve will siphon(虹吸) its contents to the forward bilge wellsD. discharge pressure will be too high.19.Which of the listed statements is correct concerning the starting of centrifugal pumps?A. They should always be started with the discharge valve closed.B. They should always be started with the discharge valve opened.C. A priming pump is always required to flood the impeller suction.D. They should always be started with the sealing line valves closed.20.The simplest method to use for determining if a centrifugal pump is operating as designed, is to ______.A. closely observe the pump discharge temperatureB. close off the discharge valve, and watch for a rise in pressureC. momentarily close off the suction valve, and watch for a rise in pressureD. use a clamp on ammeter and compare the readings to past records21.Which of the following modes of heat transfer does NOT require any physical contact between a warmer and acooler substance?A. RadiationB. ConductionC. Natural convectionD. Contact directly22. A re-heater in an air conditioning system functions to ______.A. control inlet air temperatureB. control inlet air volumeC. maintain relative humidity at 15%D. restore conditioned air temperature to a comfortable level23.In a chilled water air conditioning unit using a reciprocating compressor, the refrigerating effect of the primaryrefrigerant can be increased by ______.A. increasing refrigerant pressure in the coilB. increasing chilled water flow through the coolerC. sub-cooling the refrigerant in the condenserD. superheating the refrigerant in the compressor24.Sludge may form in the lubricating oil crankcase of a reciprocating air conditioning compressor as a result of______.A. wax precipitation in the lube oilB. contamination by dust, scale, or moistureC. refrigerant bubbles in the lube oilD. refrigerant reducing the lube oil viscosity25.Placing a filter on the ______of an oily water separator will “polish” the discharge but overloading must be avoided.A. suction sideB. discharge sideC. by-pass pipeD. sampling pipe26.When started, a complete oily water separating unit is first filled ______.The oily water mixture is then pumpedthrough the inlet pipe into the coarse separating compartment.A. with dirty waterB. with clean waterC. by oily waterD. by mixed water27.Which is the pollution prevention equipment?A. booster pumpB. evaporatorC. incineratorD. cooler28.The ______is used to burn oil sludge.A. clarifierB. oil/water separatorC. incineratorD. distiller29.Most marine biological sewage treatment plants consist of all the following statements except ______.A. aeration tanksB. settling tanksC. disinfection agent （消毒剂）D. anaerobic bacteria (厌氧菌)30.For a purifier changing to a gravity disc with smaller hole diameter will move the interface towards the ______.A. bowl peripheryB. bowl centerC. upper surfaceD. lower surface31.The ______of the gravity disc is too big. It cause oil to flow through the water outlet. We changed the disc and nooil is found in the water outlet.A. gravityB. diameterC. circumferenceD. cylinder32.The advantages of flash type evaporators, as compared to submerged tube type evaporators, include ______.A. less internal corrosion because of lower brine densityB. higher temperature evaporation for lower salinity of the distillate producedC. less scale formation in a flash evaporatorD. less feed-water required for a flash evaporator33.Distilled water from an evaporator may be discharged into a drinking water tank ______.A. through a detachable hose connectionB. after passing through an activated charcoal filterC. after chemical analysis shows it is fit for consumptionD. through a solenoid operated three-way valve34.What type of valve is used to direct the flow of hydraulic fluid?A. relief valveB. direction control valveC. stop valveD. pressure control valve35.In a radial piston pump, reversal and control of fluid flow are accomplished by moving the ______.A. central valveB. radial plungerC. floating ringD. cylinder body36.In a general cargo crane, ______is fitted to lift the cargo load.A. the slewing motorB. the luffing motorC. the hoisting motorD. the fan moter37.______are used to handle anchors and chains.A. Cargo winchesB. Mooring winchesC. WindlassesD. Cargo hatches38.The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum andshould slip only when ______.A. excessive loads are placed on the winchB. minimum pull is being exerted by the winchC. automatic operation of the winch is desiredD. wire is being retrieved at the maximum rate39.Dual (双的)electro-hydraulic steering units usually operate ______.A. with both pumps on line at the same time B．with one pump on standbyC．with the follow-up gear disconnected D．only when the rudder is moved amidships40.One factor that determines the frequency of an alternator is the ______.A. number of turns of wire in the armature coilB. number of magnetic polesC. strength of the magnets usedD. output voltage41.An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard ship asa ______.A. magnetic amplifierB. ship's service alternatorC. three-wire DC generatorD. saturable core reactor42.Current changing in direction and rising and falling in value is ___ .A. D.C.B. A.C. C. generatorD. fresh watergenerator43.Equal power factors on paralleled AC generators are maintained by an automatic ______.A. voltage regulatorB. reverse power relayC. reverse current relayD. governor control switch44.______shall be continuously powered and shall have an automatic changeover to a stand by power supply in case ofloss of normal power supply .A. Cooling systemB. Alarm systemC. The air conditioning installationD. The mooring equipment45.Switchboards may be of the dead-front type in which all live parts are installed behind ______and only theoperation handles and instruments are on the frontA. the capstanB. the collectorC. the panelsD. the surface46.The emergency generator or emergency battery is connected to ______on most ships.A. distribution boardsB. section boardsC. emergency switch boardsD. main switch boards47.The primary function of an electric motor is to ______.A. develop torqueB. generate high voltagesC. produce a magnetic fieldD. generate high electrical resistance48.Electrical leads and insulation on a motor should be painted with ______.A. heat-resisting acrylicB. heat-resisting aluminumC. insulating varnishD. insulating white lead49. A circuit breaker and a fuse have a basic similarity in that they both ______.A. can be reset to energize the circuitB. should open the circuit when overloadedC. will burn out when an over current flow developsD. should short the circuit when overloaded50.Electric circuits are protected against short circuits by means of a/an _______.A. diode(二极管)B. amplifierC. circuit breakerD. capacitor51.The electrolyte in a lead-acid storage battery consists of distilled water and ______.A. hydrogen chlorideB. calcium chlorideC. sulfuric acidD. muriatic acid52.When under maneuvering conditions with the machinery being manually operated the control unit or console shouldbe ___.A. automatically controlledB. off powerC. continuously mannedD. continuously unmanned53.______is a precaution which contributes to avoiding trouble under normal operating conditions.A. Constant inspectionB. Keeping constant loadC. Remaining constant temperatureD. Varying speed54.After “F.W.E.” is given, the air system is shut down, the ______gear put in, all drains and indicator cocks opened,and the cooling water kept running.A. steeringB. timingC. turningD. running55. A tank which has been sealed for a long period of time can be dangerous because ______.A. steel surfaces consume oxygen by rustingB. sealed tanks usually form a vacuumC. moisture condenses in the tank, displacing the oxygenD. most tank coatings give off poisonous vapors in the presence of moisture56. A class 'C' fire is burning ______.A. diesel oilB. magnesiumC. dunnageD. electrical insulation57.To prevent the spread of fire by conduction, you should ______.A. close all openings to the areaB. remove combustibles from direct exposureC. cool the bulkheads around the fireD. shut off all electric power58.The lengthening of a crack formed in the shell plating of a ship may be prevented by ______.A. welding brackets across both ends of the crackB. chipping out and slot welding the entire crackC. drilling a hole at each end of the crackD. cutting a square notch at each end of the crack59.After a fire has been extinguished in a closed space, personnel may safely enter the space when ______.A. smoke density has been decreased sufficiently to see the bulkhead opposite the compartment'sentranceB. a lifeline and explosion proof flash light are usedC. all smoke and toxic fumes are removed and an adequate oxygen supply is presentD. overhaul has been completed to remove any possible source of re-ignition60.While loading bunkers, you notice oil on the water near the vessel. What should you do first?A. Stop loadingB. Notify the harbor administration.C. Determine if the vessel is the source of the pollution.D. Start the main engine and put them in gear to disperse the spill.61.To anneal (退火)a copper gasket, you should heat the gasket _______.A. and quench it in oilB. cherry red and quench in waterC. and let it cool slowly in the airD. and carbonize it62.When a vessel is in dry-dock, the vessel's engineers should ______.A. examine the condition of the propellerB. chip and paint all hull protection zincsC. install new docking plugs in all cofferdamsD. inspect the hull for hogging or sagging63.The additional mark ______in the Classification Certificate for Machinery represents that personnel are watching atengine assembly control station and monitoring all machinery and electronic devices.A. BRCB. MCCC. AUT-0D. AUT-164.Which of the following operations must be entered on the Oil Record Book Part I?I. Routine discharge at sea of bilge water containing oil from the machinery spacesII. Bunkering of fuel oilA. I onlyB. II onlyC. both I and IID. neither I nor II65.Your ship’s certificates show that you did not do renewing work for certificate. All certificates have expired a fewdays before. Thus, your ship is ______.It follows therefore that she will ______.A. seaworthy / be fined in our portB. un-seaworthy/ be disassembled in our portC. seaworthy / be assembled in our portD. un-seaworthy / be detained in our port66.“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a ______.A. substandard shipB. standard shipC. over-standard shipD. reference ship67.When deciding the composition of the engineering watch, which may include _____appropriately, many factorsshall be taken into account.A. satisfied engineersB. qualified ratingsC. satisfied chief engineerD. qualified chief engineer68.The officer in charge of the engineering watch shall notify the chief engineer without delay______.A. in any emergency or if in any doubt as to what decision or measures to takeB. in the event of any impending action in ma chinery spaces that may cause reduction in ship’sspeedC. when isolating and bypassing machinery to be worked onD. co-operating with any engineer in charge of maintenance work69.At an unsheltered anchorage the chief engineer shall consult with ______whether or not to maintain an underwaywatch.A. the engineer officer in charge of watchB. the deck officer in charge of watchC. the masterD. the chief mate70.The term "moderate speed" was previously interpreted as meaning a speed which would enable a vessel______within half the range of visibility.A. stoppingB. being stoppedC. to stopD. to be stopped71.One of the methods NOT usually allowed in cleaning up oil spills in the United States is ______.A. skimmersB. strawC. dispersantsD. sawdust72.The SOLAS Convention in its successive forms is generally regarded as the most important of all internationaltreaties concerning the ______ of merchant ships.A. pollutionB. economizationC. efficiencyD. safety73.The Company should ensure that the master is fully ______with the Company's SMS.A. familiarB. understandC. conversationD. confused74.______means the level for which minimum appropriate protective security measures shall be maintained at all times,threats and exchanging such information with appropriate Contracting Governments.A. Security level 1B. Security level 2C. Security level 3D. Security level 4二. 关联题（关联题题干下有4个小题，每小题4个选项）With many small package boilers, the automatic control sequence usually ensures that the boiler fire is initially ignited from a diesel oil supply, and changed over to the usual source when ignition is completed. With good management, to facilitate subsequent starting from cold, the fuel system of large boilers will have been flushed through with diesel oil when the boiler was on light duty immediately prior to being secured. When burning such diesel fuel it is essential for safety that only the correct (small) burner tip should be used. It should be kept in mind that if fire does not light, immediately shut off fuel and vent furnace.Complete ignition of fuel in the furnace is essential. The burner flame, the smoke indicator and the funnel should be frequently observed. With satisfactory combustion, the flame should appear in candescent （白热的）with an orange shade at the flame tip, and a faint brownish haze should show at the funnel. If on first ignition the flame is uncertain, badly shaped and separates from the primary swirler, momentary opening or closing of air register may correct.75. Small package boilers will use _______ while being lit up.A. the usual source of oilB. fuel oilC. diesel oilD. mixture of fuel oil and diesel oil76. After large boilers being secured, the fuel in the feeding line will be____.A. the usual source of oilB. fuel oilC. diesel oilD. mixture of fuel oil and diesel oil77. If large boilers were not lit up, _____.A. feed water to normal levelB. stop fuel supply immediately and purge the furnaceC. light the boiler againD. reset the burner78. An indication for a good combustion is ______.A. white smokeB. brown haze in the funnelC. orange flame tipD. swirl oil spray三、中译英（共2题，请将答案写在答题纸上）79. 船舶加油期间，如发现船舶附近水面有油或发生溢油事故，都应立即停止加油作业。
三管轮轮机英语大证考试真题40期
中华人民共和国海事局2006年第2期海船船员适任证书全国统考试题(总第40期)科目：轮机英语试卷代号：805适用对象：无限、近洋航区3000KW及以上船舶二/三管轮（本试卷卷面总分100分，及格分为70分，考试时间为100分钟）答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑。
第1题至74题，每题1分，第75题至78题，每题1.5分,第79题至80题, 每题10分。
一、单项选择题1.______usually helps to induce air movement to assist combustion.A. Cylinder coverB. Main bearingC. The exhaust valveD. The piston movement2.The mechanical efficiency of an engine is always less than 100% ______lossesoccurring in the form of friction.A. becauseB. sinceC. due toD. owing3.The exhaust ports are located around the lower part of the cylinder liner, ______theproducts of combustion are driven by scavenging air.A. in whichB. by whichC. through whichD. from which4.The third engineer took the ______and checked the tank table in the office andrecorded all relevant data, as well as calculated the bunkering.A. water levelB. sump levelC. ballast tank levelD. ship's trim5.The lubricating pipes and ducts should be blown out with ______.A. the atmosphereB. the fresh waterC. the compressed airD. the chemical compounds6.______neutralizes the acid conditions and ______cleanses the rings and grooves.A. The detergency/the alkalinityB. The alkalinity/the detergencyC. The inhabitant/ the waterD. The additives/the distilled water7.If the engine does not start on air, it may be due to______.A. low compression of the fuel pumpsB. incorrect timing of fuel pumpsC. the starting air valves stuckD. air-locks in fuel oil pipeline8.______device is provided to prevent starting air from being admitted to thecylinder before the reversing is completed.A. An automaticB. A transmissionC. A self-regulatingD. An interlocking9. A reduction in load on a diesel engine results in ______of speed of the crankshaft.A. a reductionB. an increaseC. an outingD. a downwards10.Fuel injection uses the jet pump system and a Woodward type hydraulic ______isused to control engine speed.A. controllerB. governorC. instrumentD. apparatus 11.The overspeeding of the diesel engine driving an electric generator could cause______.A. low voltage trip to tripB. reverse power trip to tripC. damage to windingsD. excessive exhaust temperatures12.Any carbon built up on surfaces must be washed away by ______additives andheld in suspension by a ______additive.A. dispersant /detergentB. detergent/dispersantC. dispersant /dispersantD. detergent/detergent13.While flowing through the volute in a centrifugal pump, part of the ______energyof the liquid is converted to ______energy.A. kinetic/pressureB. kinetic/essentialC. pressure/kineticD.pressure/height14.Gear pumps are ______because they discharge a near constant amount of liquidregardless of pressure.A. negative displacement typeB. turbine typeC. positive displacement typeD. mixed-flow type15.Operating a rotary pump at speeds in excess of design requirements couldcause______.A. decreased clearances between rotating partsB. decreased slippage to the suction side of the pumpC. air binding in the discharge portsD. erosion and excessive wear16.The fire pumps must be capable of delivering a total quantity of water at a definedhead , not less than______of the total bilge pumping capacity.A. one-thirdB. two-thirdsC. one-fourthD. two-fourths17.The bilge system has been performing well; however, the aft starboard engineroom bilge-well suddenly fails to be pumped out. Which of the following should be done first to determine the cause?A. Open the bilge pump for inspection.B. Remove each of the manifold valves.C. Remove only the manifold valve to the affected bilge-well.D. Attempt to pump out another bilge well to determine if the entire system isaffected.18.Which of the following statements describes one of the functions of the ballastsystem?A. To permit flooding of any fuel oil storage tank on any class of ship.B. To use it as a secondary service system.C. To store reserve feed or potable water for extended cruises.D. To stabilize the ship by flooding certain designed tanks with seawater.19.If an operating auxiliary boiler has a water pH reading of 7, you should ______.A. bottom blow the boilerB. treat the water with caustic soda1C. treat the water with chemical scavengersD. reduce the water alkalinity to recommended readings20.Where tanks are arranged for either oil or ballast ______must be fitted in thepipeline.A. a change-over chestB. a head tankC. a emergency bilge pumpD. an aircooler21.The most common cause of scale formation in an auxiliary boiler is ______.A. concentrations of calcium sulphate in the boiler waterB. fuel oil in the feedwaterC. improper treatment of the feed water with calcium sulphateD. excessive feed water alkalinity22.The ______of the gravity disc is too big. It cause oil to flow through the wateroutlet. We changed the disc and no oil is found in the water outlet.A. gravityB. diameterC. circumferenceD. cylinder23.Oil water separators are used to ensure that ships don't discharge oil when______bilge water.A. to pump offB. being pumpedC. pumping outD. it pumping out24. A high rate of separation between oil and water is favored by______.A. large size of oil globuleB. low temperature25. C. high viscosity D. high flow rate26.Medium speed engines have a ______power to weight ratio than the slow speedtwo strokes, but due to the higher speeds tend to have ______maintenance intervals.A. higher/reducedB. higher/increasedC. lower/reducedD. lower/increased27.Oil Record Book Part I shall be provided to every oil tanker of 150 tons grosstonnage and above and every ship of 400 tons gross tonnage and above, ______oil tankers, to record relevant machinery space operations.A. as well asB. as long asC. rather thanD. other than28.It is important with all hydraulic systems to ensure that interlocking arrangementsprovided for pump or motor control levers are before the pump driving motor can be started.A. in the port positionB. in the starboard positionC. in the neutral positionD. to be dismantled29.The hand steering is a method by which the motion of the rudder is controlledwith______.A. a motor-driven steering wheelB. a pneumatic steering wheelC. a hand-driven steering wheelD. an electric steering wheel30.With reference to operating a four-ram steering gear system under emergencyconditions, which one of the following statements is incorrect ?A. Only one pump should be used at any timeB. The ship speed should be reduced to 70% of the normalC. Watch keeping of the steering gear should be increasedD. Limitations of the steering gear should be logged but the bridge need not beinformed31.Which of the following problems can result in below normal pressure in theintercooler of an operating low pressure air compressor?A. Defective pressure pilot valveB. Defective receiver relief valveC. Leaking intake valves on the high pressure cylinderD. Leaking discharge valves on the low pressure cylinder32.The air charge leaving an intercooler, or after-cooler of an air compressor can beexpected to be __.A. superheatedB. super-cooledC. at or below the dew pointD. all of theabove33.Open the ______of inter cooler before starting an air compressor.A. cylinder coverB. cooling waterC. oil cupD. drain valve34.Sludge may form in the crankcase of an air conditioning compressor as a resultof______.A. bubbling refrigerantB. overheating and oxidationC. lowered operating temperaturesD. reducing the cloud or flash point35.If a refrigeration system were short of refrigerant, the condition would result in______.A. continuous running of the compressorB. high suction pressureC. high discharge pressureD. short cycling of the compressor on the waterfailure switch36.Which of the statements listed concerning heat transfer is correct?A. Heat is always transferred at a constant rate.B. Heat transfer rate increases as temperature difference increases.C. The rate of heat transfer is not affected by temperature difference.D. The high temperature region is known as a heat sink.37.The purpose of the low pressure cutout switch is to______.A. maintain liquid refrigerant at the suction of the compressorB. maintain a preset suction pressure to the compressorC. start and stop the compressor at preset operating pressuresD. operate at minimum efficiency38.When a refrigeration compressor is in the 'off' cycle, the thermal expansion valvewill______.A. always be wide open when the compressor restartsB. continue to operate as if the system were in operationC. remain open until evaporator pressure equalizes, then close until the compressorrestartsD. always be completely closed until the compressor restarts239.The star formation is most commonly used and requires ______on the alternator.A. one slip-ringB. two slipringsC. three slipringsD. four sliprings40. A constant output voltage from an AC generator is maintained by the ______.A. prime mover governorB. exciter generatorC. voltage regulatorD. reverse power relay41.Prior to any overhaul work on electric equipment, it is important to ensure thecircuits are______.A. liveB. deadC. excitedD. on line42.Which of the following should be the FIRST step in removing a generator fromparallel operation?A. Trip the generator off the switchboard.B. Turn off all electrical equipment.C.Remove the load from the … offgoing' generator.D. Increase the cycles of the generator staying on the line.43. A … dead front' switchboard is one ______.A. without switches on itB. with insulated switches and no exposed terminalsC. without circuit breakersD. without safety hand rails nor rubber mats44.In ______the control action is independent on the output.A. a closed loop control systemB. an open loop control systemC. a boiler control systemD. a steering gear automatic control system45.Every precaution must be taken to avoid ______.A. sparking being taking placeB. to spark taking placeC. sparking to be taken placeD. sparking taking place46.The ______is used to measure the volume of a liquid or gas through a pipelinewithin any given period of time.A. flowmeterB. viscometerC. micrometerD. feeler47. A salinity indicator is used to determine the ______.A. cause of salt contaminationB. location of salt water contaminationC. chemical makeup of feed-waterD. level of alkalinity in condensate48.In order to accurately measure very low pressures, which of the instruments listedshould be used?A. Compound gageB. Bourdon tubeC. ManometerD. Deadweight gage49. A circuit breaker and a fuse have a basic similarity in that they both ______.A. can be reset to energize the circuitB. should open the circuit when overloadedC. will burn out when an over current flow developsD. all of the above50.The main difference between a motor control circuit containing low voltageprotection and low voltage release is that the latter contains______.A. a magnetic operating coilB. normally open line contactsC. thermal-overload protectionD. a momentary-contact start button51.If the engine ______for a long period, there will be a danger of frost.A. must stand inoperativeB. has to stand inoperativeC. must be stood idleD. will stand idle52.If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed,ignition may be delayed because the ______.A. cylinder compression pressure may not be high enoughB. cylinder compression temperature may be too highC. fuel oil injection pressure may not be high enoughD. scavenge and purge process is incomplete53.Improper cooling of a diesel engine cylinder liner due to the accumulation of scaledeposits, may cause______.A. low compression pressureB. increased piston wearC. increased cylinder lube oil consumptionD. poor contact between compression rings and liner54.Poor combustion in a diesel engine can be caused by______.A. high compression pressureB. low intake air temperatureC. low exhaust pressureD. high scavenge air temperature55.High exhaust temperature and black smoke exhausting from an auxiliary dieselengine can be caused by ______.A. engine overloadB. low combustion temperatureC. plugged fuel nozzle holesD. excessive compression pressure56.In a diesel engine, excessive cylinder liner wear will cause ______.I. increased blow-by II. wear between the piston ring and grooveA. I only is correctB. II only is correctC. both I and II are correctD. neither I or II are correctbustion knock can occur in the cylinders of a diesel engine under anycondition permitting ______.A. a shortened ignition delay periodB. a lean fuel/air mixtureC. excess fuel in the combustion chamberD. rapid vaporization of injected fuel droplets58.The load on the crosshead pin is always______, so it is the ______half of thebearing which is subject to wear.A. upwards/topB. upwards/bottomC. downwards/topD. downwards/bottom59.If the action of the engine indicates that some of the cylinders are not firing, theones affected may be determined by watching ______.3A. the bad smokeB. the smoky exhaustC. the exhaust temperatureD. the peak pressure60. A centrifugal pump can‟t supply water after starting. You should firs tly check ___.A. discharge valveB. power supplyC. packing glandD. bearing lubrication61.Which of the motors for the devices listed below is fitted with an instantaneous(瞬时的) overload relay?A. FanB. PumpC. WinchD. Machine tool62.If ______are taken at regular intervals, any unequal distribution of load will beeasily found out.A. indicator diagramsB. nomo-gramC. temperature readingsD. pressure readings63.Oil mist detectors are usually used on board to detect oil mist density within _____.A. the engine crankcaseB. the engine scavenge boxesC. drain tanksD. fuel tanks64.The resistance of electric wire will decrease as its ______.A. length increasesB. cross-sectional area increasesC. temperature increasesD. percent of metallic purities increases65.It is well known that the wh ole power distribution of the ship‟s electrical servicesmainly depend on the______.A. sub-boardsB. main switchboardsC. emergency switchboardsD. distribution boards66.The Company should ensure that ______documents are promptly removed.A. absoluteB. updatedC. outdatedD. new67.You may improve a vessel's stability by ______.A. keeping the fuel tanks topped offB. increasing the free surface effectC. keeping the fuel tanks at least half fullD. keeping at least one fuel tank empty for slops68.The most common type of containment device for spilled oil on the water is the useof ______.A. strawB. boomsC. skimmersD. chemical dispersants69.We‟ve trie d many ways, but all in vain. Only in this way, ___the problem, I‟m sure.A. can we solveB. we can solveC. we will solveD. can be solved70.It was ______midnight that we removed the trouble and went back to our cabins.A. untilB. not untilC. not beforeD. not after71.The flash point of a petroleum product is an indication of its______.A. viscosityB. pour pointC. volatilityD. lower explosive limit72.If there has been a fire in a closed unventilated compartment it may be unsafe toenter because of ______.A. unburned carbon particlesB. excess nitrogenC. a lack of oxygenD. excess hydrogen73.Tell your men ______the rules and procedures of working when dismantling theequipment.A. not to go againstB.don‟t go againstC. not go to againstD. to not goagainst74.The minimum number and capacity of bilge pumps and fire pumps and theirdistributing within the ship is governed by______.A. Classification Society RulesB. National requirementsC. The IMO International Convention for the Safety of Life at SeaD. All of the above.75.The SOLAS Convention in its successive forms is generally regarded as the mostimportant of all international treaties concerning the ______of merchant ships.A. pollutionB. economizationC. safetyD. efficiency二. 关联题（关联题题干下有4个小题，每小题4个选项）The windlass is the usual anchor-handling device where one machine may be used to handle both anchors. A more recent development, particular on largervessels, is the split windlass where one machine is used for each anchor.The rotating units of a split windlass consist of a cable lifter with shaped snug to grip the anchor cable, a mooring drum for paying out or letting go of mooringwires and a warp end for warping duties. Each of these units may be separatelyengaged or disengaged by means of a dog clutch, although the warp end is oftendriven in association with mooring drum. A spur gear assembly transmits the motor drive to the shaft where the various dog clutches enable the power take-off.Separate band brakes are fitted to hold the cable lifter and the mooring drum when the power is switched off.The cable lifter unit is mounted so as to raise and lower the cable from thespurling pipe, which is at the top and the chain or cable locker.Anchor capstans are used in some installations where the cable lifter rotatesabout a vertical axis. Only the cable lifter unit is located on deck, the drivingmachinery being on the deck below.76.According to the passage, the rotating units of a split windlass don‟t include______.A. a cable lifterB. a mooring drumC. a chain lockerD. a warp end77.The word “assembly” in the sentence “ A spur gear assembly transmits the motordrive to the shaft where the various dog clutches enable the power take-off.” is as the same meaning as ______.A. unitB. shaftC. dog clutchD. spurling pipe78.One of the functions of a dog clutch is ______.A. to transmit the motor drive to the shaft4B. to hold the cable lifter and the mooring drum when the power is switched offC. to engage or disengage the rotating units of a split windlass separatelyD. to handle both anchors79.Which of the following statements is correct ?A. A more recently development, particularly on larger vessels, is the splitwindlass where one machine is used to handle both anchors.B.The word “machine” in the passage refers to the windlass.C. Anchor capstans are used in some installation where the cable lifter rotatesabout a horizontal axis.D. Both the cable lifter unit and the driving machinery are located on deck.三、中译英（共2题，请将答案写在答题纸上）79. （修理单）辅助锅炉水空间需采用化学方法除去水垢，如发现有烧坏的管子则换新，安全释放阀调至设定值。
甲类三管轮轮机管理新增试题集
41-45 3000千瓦以上（二管／三管）管理新增加的试题题以下哪种船舶不属于ISM 规则中规定的“散装船”？A、矿砂船B、兼用船C、滚装船D、煤船为保证船舱的抗沉性，货船一般采用：A、一舱制B、二舱制C、三舱制D、四舱制船舱压载水公约规定，对于使用泵入～排出方法交换压载水的船舱，泵入～排出_____于每一压载水舱容积应视为达到标准。
A、一倍B、二倍C、三倍D、四倍美国《90油污法》规定，造成油污染事故的3000总吨以下的液货船赔偿限额为每总吨1200美元，或总额_____万美元，取其大者。
A、５０B、１００C、２００D、５００目前海船上广泛使用球鼻首，关于球鼻首作用的正确论述是________。
A、增加船首强度B、建造方便C、便于靠离码头D、减少兴波阻力船规规定，对锅炉和热油加热器的检验应包括外部检验和内部检验，对锅炉进行外部检时应进行______，包括______。
A、总体检查/安全保护装置、燃油系统功能及燃油应急切断装置等B、一般性目视和查看使用记录/安全保护装置C、了解和查看使用记录/对锅炉安全阀在蒸汽压力下进行校验D、外观目视/对锅炉进行水压试验ISPS规则不适用于：A、从事国际航行的客船B、从事国际航行的500吨及以上的货船C、服务国际航行船舶的港口设施D、缔约国政府的公务船在辩认可能爆炸装置的过程中，应遵循的原则不包括：A、先观察、再询问、后动手B、先用探测仪，再使用人工方法C、先检测内部，再探测外表D、先远距离探测，再近距离辩认以下有关机舱火灾应急操作规程的说法中，不正确的是：A、轮机部全体人员立即进入应变部署岗位，服从统一指挥B、切断火场电源或停止发电机运转，起动应急消防泵灭火C、抢救人员两人一组，穿好消防衣，佩带呼吸器，做好支援通信联络工作D、必要时，停止机舱通风机、燃油泵，关闭油柜速闭阀、机舱天窗和风道挡板《SOAS公约》附则第三章对救生设备的规定，客船上所有救生艇筏应能在发出弃船信号后________。
轮机英语真题46期,甲类三管轮
轮机英语全国统考试题(总第46期)一、单项选择题1. In order to control thermal stresses,some types of modern engines use pistons with .A.heavy wall and intensive coolingB.heavy wall and no coolingC.thin wall and no coolingD.thin wall and intensive cooling2. The average pressure exerted on a piston during each power stroke is termed .A.indicated horsepowerB.mean eff ective pressureC.exhaust back pressurepression pressure.3.The ignition quality of a diesel f uel is indicated by theA.cetane numberB.volatility pointC.viscosity indexD.octane number4.A piston in a f our-stroke/cycle diesel engine makes f our strokes during eachA.crankshaf t revolutionB.mechanical cycle of operationC.period of two combustion cyclesD.cycle of two events5.Crankshaf ts of medium speed engines are f rom a single piece of steel.A.unusually solid weldedB.never be solid f orgedC.almost invariably solid f orgedD.almost invariably be welded6.The start ing air entering the cylinder begins when the piston .A.has nearly come to the TDCB.has just past the TDCC.has nearly come to the BDCD.has just past the BDC7.A main bearing consists of two shells which are secured by means of studs and .A.tie rodsB.through boltsC.lead wiresD.bearing capspared to f our-stroke/cycle engines,two-stroke/cycle diesel engines have the disadvantage of.A.less even torqueB.higher cylinder head temperaturesC.f ewer power strokes per revolutionD.greater weight/size requirements9. controls the f uel oil temperature in order to provide oil at the correct viscosity f or combustion.A.The viscosity regulatorB.The temperature controllerC.The f low meterD.The pressure switch10.In a diesel engine lube oil system,which of the f ollowing parts should be lubricated f irst?A.Camshaf t bearingsB.Main bearingsC.Piston crownsD.Cylinder walls11.A large,low-speed,main propulsion diesel engine uses sea water to directly cool theA.cylinder headsB.exhaust valvesC.scavenging airD.injectors12.In a turbocharger , inlet air velocity is increased in the .A.inlet nozzle ringB.stationary dif f user passagespressor outlet voluteD.rotating impeller vanes13.Each cylinder has one starting valve which is usually opened by air pressure and closed byA.nuts nad boltsB.new jointsC.spring f orceD.sealing rings14.In a simple mechanical governor, theA.centri f ugal f orce rotates the ball-headB.f lyweight centri f ugal f orce is balanced by spring f oceC. f lyweight centri f ugal f orce is balanced by hydraulic pressureD.speeder spring alone actuat es the f uel control rod15. A pyrometer is an instrument commonly used to measureA.cylinder pressureB.f lame intensityC.exhaust gas temperatureD.crankshaf t axial alignment16.Af ter starting a diesel engine,which of the listed operating conditions should be checked f i rst?A.Air box pressureB.Lube oil pressureC.Exhaust temperaturesD.Raw water pressure17.A high temperature alarm or which will melt is used to guard against the explosion of compressor air pipelines. A.a f lame trap B. a relief valveC.a f usible plugD.a bursting cap18. What preventative maintenance should be done frequently to diesel engine starting air receivers?A.Drain the accumulated moisture.B.Test the relief valves.C.Watch the temperature to prevent f luctuations in pressure.D.Clean the interior to remove oil and f oreign matter.19.In reducing engine speed to and eff i cient propeller speed by the use of reduction gears,A.speed and torque are both reducedB.speed is reduced and torque remains unchangedC.speed is reduced and torque is increasedD.speed is sometimes unchanged while torque is increased20.Which of the f ollowing statements concerning f ire-bube boilers is correct?bustion gases f low through the tubes.B.Flames impinge on the tubes.bustion occurs in the tubes.D.Water f lows through the tubes.21.The exhaust boilers are used to recover some of carried in the exhaust gas f rom the main engine .A .water B.oil C.heat D.steam22.The water level in a steaming auxiliary boiler will always .A.rise when the steam pressure is increasedB.remain constant as long as the f eed pump operatesC.f all when the steam pressure is decreasedD.vary as the steam demand changes23.When lighting of f an auxiliary boiler,which of the problems listed could cause the burners to sputter?A.Cold f uel oilB.Low f uel oil pressureC.Low atomizing steam pressureD.Water in the f uel oil24.If the f eed pump f or and auxiliary boiler f ails to deliver the f eed water to the boiler,the cause may beA.high steam pressure in the boilerB.abnormally high f eed-water temperatureC.abnormally high boiler water temperatureD.steam demand exceeding feed pump capacity25.Through a pump,the liquid is transferred from the suction to the discharge by the mechanical variation of the volume of a chamber or chambers.A.positive displacementB.ejectorC.centrif ugalD.air compressor26.Sealing lines provide sealing liquid f low to the stuf f ing box of a centri f ugal pumpA.to prevent seawater from passing out the stuff ing box when a high suction head is presentB.to cool the shaf tC.in place of mechanical sealsD.in place of lantern rings27.Which of the valves listed will be cycled from f ully open to f ully close when the handle is turned 90 degree?A. A rising stem gate valveB.A globe stop valveC.A check valveD. A butterf ly valve28.Centrif ugal pumps,used to handle hot liquids, must have a minimum f low through them under all operating conditions.This f low serves toA.prevent overheating and damage to pump rotating parts due to rubbingB.maintain the net positive suction head of the pumpC.maintain hydraulic dif ferential in the pump impeller passagesD.purge the pump of non-condensable vapors and gases29.If you heard a …crackling‟noise in a centrif u gal pump, the most probable cause of the problem would beA.insuff icient speedB.cavitationC.excess discharge pressureD.excessive net positive suction head30.In the process of,liquid changes into gas.A.evaporation Bf rostingC.condensingpressing31.The device used f or low-pressure control and high-pressure cutout on a compressor is called aA.cutoutB.pressure controllerC.controller switchD.cutout switch32.A purge recovery system is used in a central air conditioning or ref rigeration system toA.purge lube oil f rom the liquid refrigerantB.recover wat er purged f rom the systemC.separate f oul gases f rom the receiverD.purge non-condensabl e gases without losing refrigerant33.In an air conditioning system,low head pressure associat ed with a reciprocating compressor can be the result ofA.broken valve springsB.tight drive beltsC.high line voltageD.air in the system34.When discharging bilge water over board, which criteria must be observed?A.The requirement f or the oil content of bilge water discharged is under 15ppmB.No discharge in sensitive watersC.Any discharge in sensitive watersD.International, national or local requirements have to be observed35.The f ollowing measures can be used to improve oily water separator‟s separating effect exceptA.overhauling every two yearB.working at intervalsC.renewing f iltration materialD.properly heating36.Disposal of all kinds of garbage but listed as below is prohibited within Special Areas.minuted or ground papers, rags, glass, metal etcB.plasticsC.f ood waste comminuted or groundD.Incinerator ash37. When does auxiliary burner of incinerator put into operation?I.start incinerator when it is cold II. Little waste oil f or dealing with III. plenty of waste oil f or dealing with IV the water and impurity in sludge are too much V the temperature in incinerator is low VI dealing with little solid rubbishA.II+III+VB. I+II+III+IVC.I+IV+V+VID.I+II+III+VI38.Bacteria which live are said to be aerobic.A. in the presence of oxygenB.without oxygenC.in the presence of nutritionD.without nutrition39. When centri f uging heavy f uel oil, an important f actor to consider is(are) the .1)f low rate 2)viscosity of thef uel oilA. 1)B.2)C.both 1) and 2)D.Neither 1)nor 2) are correct40.To ensure lube oil purif ier working in normal condition, the interval between two sludge discharging should not exceed hours.A. 2B.4C.5 D641. can not cause oil f low f rom wat er outlet of sel f cleaning purif i er.A. Oil temperature too highB.Diameter of gravity disc too largeC. Oil temperature too lowD.High level tank out of water42. In the production of f reshwat er from seawater through a process of heating and cooling, the cooling phase of production is usually calledA.evaporation BdistillationC.dehydrationD.condensation43.Distilled water f rom an evaporator may be discharged into a potable water tankA. through a detachable hose connectionB.af ter passing through an activated charcoal f ilterC.af ter chemical analysis shows it is f it f or consumptionD.through a solenoid operated three-way valve44.What type of valve is used to direct the f low of hydraulic f luid?A.relief valveB.direction control valveC.stop valverD.pressure control valve45.Cargo hand ling unit is rated according to the to be lif ted.A. cargo craneB.jibC.saf e working loadD.oil pressure46. The crane is usually mounted on a pedestal to effer adequate to the operator. A.time B.spaceC.lengthD.visibility47.Proper internal lubrication of a hydraulic anchor windlass lef t idle f or extended penods can be accomplished by .A.perf orming a chech run on the unit at regular intervalsB.testing the hydraulic f luid f or proper PHC.checking the reservoir f or proper levelD.cleaning strainers at regular intervals48. are used f or hauling in or letting out the wires which f asten the ship to the shore.A.Cargo winchesB.Mooring winchesC.WindlassesD.Cargo hatches49. The major source of chemical contaminants in hydraulic f luid is .A.microscopic steel shavingsB.abrasive wasteC.anti-oxidant compoundsD.oxidation by-products50.If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow f or contraction to prevent .A. f ailure of the hydraulic hoseB.excessive f low through the lineC.f riction in other areas of the hydraulic systemD.overheating of the hydraulic f luid51.A cirucit that has one wire in contact with the hull of the ship is aA.series circuitB.grounded circuitC.short circuitD.closed circuit52.The f requency of an alternator at a given r/min is determined by the .A.number of turns of wi re in the armature coilB.number of magnetic polesC.strength of the magnets usedD.output voltage53.The operation of paralleling two alternators requires the voltages to be and also in phase.A.zeroB.eliminatedC.diff erentD.equal54.The f requency of an AC generator is controlled by theA.rheostaternorC.exciterD.capacitor55.A motor enclosure which protects against falling liquids is classif ied asA.water-proofB.drip-proofC.spray-tightD.spray-proof56. are supplied with electricity by main switchboard directly.A.Suez Canal searchlight, air compressor and ai r conditioning compressorB.Air compressor, boiler blower and ref rigeration plantC. Boiler blower , Suez Canal searchlight and ref rigeration plantD.Suez Canal searchlight and boiler blower57. is not installed on the emergency switchboard.A. AmmeterB.V oltmeterC.WattmeterD.Synchroscope58.When two D.C.generators operate in parallel, they are protected against motorizing byA.blow out coilsernor relayC.under voltage tripsD.reverse current trips59.Moisture in a D.C. motor would causeA.short circuitB.speed upC.slow downD.hunting60.The part of a f use that melts and opens the circuit is made ofA.copper and antimonyB.steel and babbittC.aluminum or beryllium alloyD.zinc or an alloy of tin and lead61.The main purpose of an electric space heater installed in a large AC generator is toA.prevent the windings f rom becoming brittleB. prevent moisture f rom condensing in the windings during shutdownC. prevent acidic pitting of the slip ringsD. keep the lube oil warm f or quick starting62.Sparking at the brushes of a running motor could be an indication ofA.normal operationB.a dirty commutatorC.increased brush capacityD.water vapor absorption63. Prior to starting ,the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to \A. test the starting systemB. remove condensation from the cylindersC.check the compressionD.check f or proper lube oil pressure64. During the watch keeping at sea, should be logged or recorded in the engine log book.A.the running hours of the cooling water pumpB.chief engineer‟s orderC.the main parameters of main and auxiliary equipments.D.the position of the vessel65. During ship manoeuvering, when thd diesel is stopped, which of the f ollowing items is wrong?A.keep all systems running normallyB. main engine is available at any momentC.shut off the starting air bottle outlet valveD.pay attention to the changes of the system parameters66.Which of the listed conditions can be considered as the single greatest cause of accidents?A.SpeedB.Excessive knowledge or skillC.Human errorD.Excitement67.On a tank vessel, which of the f ol lowing substances would be burning in a class “B”f ire?A.OilB.WoodC. RagsD.Electrical wiring68.The most likely place f or a f ire to start through the process of spontaneous combustion is inA. an electrical switchboardB.the pressure tanksC.the f uel oil tanksD.the oily rag bin69.Which of the f ire extinguishers listed is to be weighed annually and sent ashore f or recharging if the weight loss exceeds 10% of the weight of a f ull charge?A.FoamB.Soda acidC.Dry chemicalD.Carbon dioxide70.While on watch in the engine room,you hear a continuous sounding of the general alarm.Which of the f ollowing actions should you take f irst?A. Secure the burners then proceed to your assigned boart station.B.Start the f ire pump and establish f low to the f ire main.C.Open the guardian valve and standby to maneuver.D.Open the master control valves on the f ixed CO2 system.71.If there were a f ire in the bunker tanks, you shouldA.close the ventB.pump out the tankC.activate the f ixed CO2 systemD.cut off the heating coils72.To avoid excessive surge pressure when bunkering , you shouldA.bunker at a normal rateB.check f or kinks in hoseC.close valves slowlyD.shut valves bef ore topping off73. ,where minor repairs are carri ed out with a ship in sevice,of ten during a stay in prot. This may be remote from a ship repair site.A.V oyage repairsB.Routine dockingC.Daage repairsD.Conversion74. When is the dock survey carried out ?A.During annual repairually during dock repairC.Bef ore sea trialD.Af ter 5 years f rom last annual survey75.In the initial survey, compiles the survey report and f ills in certif icat e.A.surveyorB.chief engineerC.administratorpany superintendent 76.If an incorrect entry were made in the Oil Record Book, you shouldA.erase the entry and rewrite itB.notif y the ship‟s off icer-in-chargepletely black it out and make the correct entry alongsideD.draw a single line through the wrong entry and initial it.77.The International Oil Pollution Prevention Certif icate is valid f or a period ofA.one year f rom the date of issueB.f ive years from the date of issueC.three years f rom the date of issueD.f our years f rom the date of issue78. Which one is Not the …clear grounds‟f or a more detailed inspection?A. no operation procedures f or the oil separatorsB.engine log book missingC.the master and the chief engineer are unabl e to communicate effectivelyD.absence of an up-date muster list79. The Port State Control off icer may witness a f ire drill carried out by the crew assigned to these duties on theA.Navigation Log BookB.Engine Room Log BookC.Oil Record BookD.Muster List80.STCW 78/95 Convention shall apply to seaf arers on board seagoing ships entitled to f ly the f lag of a Party.A. servedB.servingC.surveyedD.surveying81.The main purpose of port State control is not toA.prevent an unsaf e ship proceeding to seaB.prevent a ship threatening the marine environmentC.f ine the shipsD.conf irm a saf e sailing82.The bridge should inf orm the engine room bef ore passing through congested or shallow waterway.A.24 hoursB.2 hoursC.1 hourD.15 minutes83.When the chief engineer is in the machinery spaces,the officer in charge of the engineering watch shallA.continue to be responsible f or machinery space operations despite the presence of the C/EB. hand over the responsibility to the chief engineer activelyC. be responsible f or the watching together with the chief engineer.D.assistant the chief engineer to contol the machinery.84.According to the international regulations concerning the prevention of pollution of sea areas f rom ships, the disposal into the sea of all plastics isA.welcomeB.admitted in some special sea areasC.prohibitedD.acceptable85.The ship emergency plan item does not include usually.I lif esaving, f ire f ighting II f irst aid III abandon shipA. IIB.IIIC.II IIID.I86. Under ISM Code, the ship to which it applies has to carryA. an International Ship Security Certif icat eB. an International Oil Pollution Prevention Cerif icatC.a Saf ety Managem ent Certif icateD. an International Ballast Water Management Certif icate87. The objective of ISPS Code isA. to protect the marine environmentB. to provide a method to avoid an accidentC. to protect the ship f rom collisionD. to keep terrorism action away f rom ships.88. According to “MARI TIME LABOUR CONVENTION,2006”,The maximum hours of work shall not exceedA.14 hours in any 24-hour periodB. 72 hours in any seven-day periodC.10 hours in any 24-hour periodD.88 hours in any seven-day period二、关联题（关联题题干下有4个小题，每小题4个选项）第一组Port State Control(PSC) is the inspection of f oreign ships in national ports f or the purpose of veri f ying that the condition of the ship and its equipment comply with the requirements of international conventions and that the ship is manned and operated in compliance with applicable international laws.The primary responsibility f or ensuring that a ship maintains a standard at least equivalent to that secif ied in internaitonal conventions rests with the f lag State and if all f lag States perf ormed their duties satisf actorily there would be no need f or port State control. Unf ortunately this is not the case as evidenced by the many marine accidents around the world-hence the need f or additional control.The authority f or exercising PSC is the national law based on relevant conventions. It is theref ore necessary f or a port State to be Party to those conventions and to have promulgated the necessary legislation bef ore exercising PSC. In accordance with the provisions of the applicable conventions,Parties may conduct inspections of f oreign ships in their ports Port State Control Off icers(PSCOs).89.The purpose of PSC is1) to check and inspect f oreign ships 2) to verif y the condition of a ship in compliance with requirements o f international conventions;3)to make sure that the ship is manned and operated well 4)to detain shipsA 1)2) B.2)3) C.1)3) D.123490.Who will be responsible f or ensuring that a ship maintains a standard at least equivalent to that specif i ed in international conventions?A.PSCOsB.Ship ownersC.Flag statesD.Port states91.Bef ore exercising PSC,a port state shouldA.become a contracting Party and promulgate regulations f or implementing PSCB.inf orm ship ownersC.establish proceduresD.inf orm shipping companies92. PSC inspection is implemented by throughA. f lag states/PSCOsB.f lag states/ship ownersC.port states/PSCOsD.port states/ship owners第二组Almost all f ailures in the f uel oil system,including the compression being to low,result in the crankshaf t rotating more slowly if there is a f ailure at one or more cylinders simultaneously. If only one or two cylinders fail, and the engine is not f ully loaded, the crankshaf t rev/min does not decrease, the reason being that the governor ensures that the remaining cylinders are loaded to a correspondingly great er extent. If the engine is already f ully loaded, the cylinders that are working normally become overloaded causing a smoking exhaust and higher exhaust temperatures etc. The load must always be reduced until the f ailure has been located and recti f ied. The reasons f or a cylinder suddenly working at reduced load, or failing completely, may be :1. a def ective or blocked f uel injection valve.2.the f uel oi l pump piston seizing in the barrel. This f ailure can be ascertained by trying to move the pump‟s toothed rack.Defective f uel pumps must be changed.3.the compression being to low because of sticking , worn or broken piston rings.4 leaking inlet or exhaust valves5. no clearance in the valve operation gear.The reasons f or the crankshaf t rotating more slowly, or stopping completely,can also be:1. the f uel oil f ilter being blocked. This f ailure is identif ied by decreasing oil pressure af t er the f uel oil f ilter.2.valve sticking in the open position3.leaking f uel oil pipes or joints.4.water in the f uel oil5.the regulating mechanism being jammed6.the governor not f uncitoning correctly.7the electrical shutdown valve(the monitoring system)being activated.93.This passage is mainly aboutA.the f ailure of reduced rpm.B.the f ailure of the governorC.how to ensure the constant rotational speedD.the reasons f or the f uel system to shut down94.If one or two cylinders fail in f uel oil system the crankshaf t rev/min .1)will invaviably decrease 2)does not decrease 3)will decrease under certain circumstancesA.1B.2C.3D.None of 1 2 3is true95. Which of the f ollowing is NOT mentioned as the reason f or a cylinder suddenly working at reduced load?A.f uel valve f ailureB.f ailure of f uel pump discharge valvesC.too large gaps of piston ringsD.the f uel oil f ilter being blocked completely96.Which of the f ollowing is NO T mentioned as the reason f or the crankshaf t rotating more slowly or stopping?A.changing f rom heavy oil to light diesel oilB.connections leakingC.there being too much waterD.malf unction of the governor 46轮机英语的答案1- 5 DBABC 6-10 BDBAB11-15 CDCBC 16-20 BCACA 21-25 CDDBA 26-30 BDABA 31-35 BDADA 36-40 BCACB 41-45 DDDBC 46-50 DABDA 51-55 BBDBA 56-60 DDDAD 61-65 BBBCC 66-70 CADDB 71-74 ACABA 76-80 DBADB 81-87 CCAC ACD 88-AB 89-92 ~~~~ 93-96~~~~。
甲类三管轮机英语考试真题教材
【单选】In some cases, when _____ exceeds a pre-set value ,the filter is automatically back flushed with air ,the displaced oil going to auxiliary drain tank where it is subsequently filtered and pumped back into the system A.the differential temperatureB.the differential pressureC.the temperature and pressureD.the pressure【单选】'Insufficiency of manning or insufficiency of certification of seafarers' is an identification of a/an ______.A.substandard shipB.standard shipC.over-standard shipD.reference ship【单选】'Loop,' 'uniflow,' 'crossflow,' and 'return-flow' are terms used to describe various types of ______.A.control air circuitsB.superchargingC.turbochargersD.scavenging【单选】 A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an ______.A.rotorB.statorC.exciterD.armature【单选】 A centrifuge arranged to separate two liquids is known as _____.A.an oily water separatorB.a purifierC.a centrifugal compressorD.a clarifier【单选】 A circuit breaker and a fuse have a basic similarity in that they both ______.A.can be reset to energize the circuitB.should open the circuit when overloadedC.will burn out when an over current flow developsD.should short the circuit when overloaded【单选】 A circuit breaker differs from a fuse in that a circuit breaker ______.A.melts and must be replacedB.is enclosed in a tube of insulating material with metal ferrules at each endC.gives no visual indication of having opened the circuitD.trips to break the circuit and may be reset【单选】 A circuit breaker is ______.A.a distribution device B.a lighting equipmentC.the indicating instrumentD.an isolating switch【单选】 A combination combustible gas and oxygen indicator is an instrument that measures the _____ of both combustible gas and oxygen; each is indicated on a separate binationsC.concentrationD.filters【单选】 A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an ______.A.double-acting engineB.opposed pistons engineC.single-acting engineD.horizontal acting engine【单选】 A fire involving aluminum powder would be a class _________. A.'A' fireB.'B' fireC.'C' fireD.'D' fire【单选】 A hydraulic motor may be driven by ______.A.an electric motorB.a diesel engineC.a compressorD.oil【单选】 A marine diesel engine is started by______.A.supplying high pressure oil into a hydraulic motorB.supplying high temperature air into the cylinderC.supplying high pressure air into the cylinderD.electrical igniting【单选】 A positive displacement pump is that where the volume of the pump chamber is alternately increased to ___ and then decreased to ___. A.draw the liquid in / force the liquid outB.force the liquid out / draw the liquid inC.suction/drawD.deliver/outlet【单选】 A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to ______.A.feel the high pressure fuel lineB.check the cylinder exhausts for white smoke frequentlyC.check the cylinder exhaust temperatureD.isolate each cylinder and inspect the injector【单选】 A segregated ballast system is a system where ______.A.all ballast is processed through the oily water separatorB.ballast is taken on and discharged through a separate main deck riserC.ballast and cargo tanks are separated by cofferdamsD.all ballast lines, tanks, and pumps are independent of those used for oil【单选】 A supercharged diesel engine, when compared to a similar naturally aspirated diesel engine, will develop an increase in ______.A.ignition lagB.engine horsepowerC.lube oil system pressureD.specific fuel consumption【单选】 A viscosity regulator used for an engine is usually provided in order to _____ for an engine burning heavy fuel oil.A.regulate the fuel supplyB.maintain a constant fuel viscosity at the fuel valvesC.maintain efficient coolingD.alter the fuel density【单选】According to STCW, the abilities specified in the standards of competence are grouped as seven functions at three levels of responsibility, which of the following is not one of the three levels?A.Navigational levelB.Management levelC.Operational levelD.Support level【单选】According to the MARPOL CODE, glass, metal and paper materials should ______.A.never be discharged into seaB.be discharged beyond 12 nm from nearest landC.be discharged limited in 12 nm from nearest landD.be discharged to sea【单选】According to the SOLAS convention, the bilge water system ______A.The bilge pump must connect the bilge well suction directlyB.should not pump out the water accumulated in the cargosC.should not be used for emergency drainage in case of ship collisionD.should be connected to the fire fighting system directly【单选】After 'F.W.E.' is given, the air system is shut down, the _____ gear put in, all drains and indicator cocks opened, and the cooling water kept running.A.steeringB.timingC.turningD.running【单选】After 'finished with engine', which of the following cannot be shut off by the duty engineer ?A.fuel oil booster pumpB.the main starting valveC.the sea chestD.the main cooling sea water pump【单选】After taking on fuel oil, the hoses should be disconnected and ______.A.draped over the fantail to dry outB.drained over the side and washed outC.drained into the bilges and washed outD.drained into buckets【单选】Air chambers are usually fitted to reciprocating pumps in order to ___.A.increase discharge pressureB.increase suction vacuumC.develop pulsation flowD.keep a steady rate of flow【单选】All crew's assigned emergency stations can be found on the ship's ______.A.muster listB.certificate of inspectionC.clearance papersD.permit to proceed【单选】All details of fuel bunkering or slop disposal must be entered in the _____.A.rough logB.engine room log bookC.oil record bookD.smooth log【单选】An emergency generator, driven by an internal combustion engine, shall be tested under load for a minimum of 2 hours at least once every ______.A.weekB.2 weeksC.monthD.3 months【单选】An incinerator auxiliary burner can not be ignited. It is NOT caused by______.A.carbon deposits on the electrodesB.defective atomizerC.low oil pressureD.too much water in the oil sludge【单选】An incinerator auxiliary oil-fired burner is used to ignite ______.A.the solidwaste or the oil sludgeB.the solid waste onlyC.the oil sludge onlyD.neither the solid waste nor the oil sludge【单选】Anchor capstans are used in some installation where the cable lifter rotates about a ______. A.horizontal axisB.crankshaftC.vertical axisD.camshaft【单选】As for oil separator, ______contributes to poor separation efficiency and carries over of water into the clean oil outlet.A.A too big gravity discB.A too small gravity discC.The high oil temperatureD.The high speed motor【单选】As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperatures will ______.A.increaseB.decreaseC.remain unchangedD.be greatest at dew point【单选】Before doing any work on a hydraulic system equipped with accumulators, you should ______.A.drain the accumulators and purge with oxygenB.bleed off all stored energy from the accumulators completely C.charge the accumulators to prevent system energy lossD.pump the hydraulic fluid into the accumulators to prevent fluid loss【单选】Before starting the engine, the air bottle should be ______.A.pumped up B.loaded C.discharged D.closed【单选】Biological sewage water treatment plant work on the_____.A.heating processB.settling processC.aeration processD.centrifuging process【单选】Cargo handling unit is rated according to the _____ to be lifted.A.cargo craneB.jibC.safe working loadD.oil pressure【单选】Centrifugal pumps, used to handle hot liquids, must have a minimum flow through them under all operating conditions. This flow serves to ______.A.prevent overheating and damage to pump rotating parts due to rubbingB.maintain the net positive suction head of the pumpC.maintain hydraulic differential in the pump impeller passagesD.purge the pump of non-condensable vapors and gases【单选】Coalescence is the breakdown of surface tension between oil droplets in an oil/water mixture, which causes them to join and _____ in size.A.expand B.extract C.increase D.decrease【单选】Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by ______.A.cylinder pression ringsC.piston skirtsD.oil rings【单选】Cooling of engines is achieved by circulating a cooling liquid around internal ______ within the engine.A.airB.passagesC.pipesD.means【单选】Dual electro-hydraulic steering units usually operate ______.A.with both pumps on line at the same timeB.with one pump on standbyC.with the follow-up gear disconnectedD.only when the rudder is moved amidships【单选】During ______ the gases are driven out of the cylinder by the piston.A.The suction strokeB.The compression strokeC.The expansion strokeD.the exhaust stroke【单选】During purification, if the operating water tank is empty, which of the following malfunctions will appear?A.Some oil will flow from the water outlet of the separator.B.There will be some water in the purified oil.C.Some oil will flow from the sludge outlet of the separator.D.If discharging the sludge, there will be no flushing water.【单选】Each crank is made up of two crank webs joined by a common ______ to which the bottom end bearing is fitted. A.throw B.crankshaft C.crankpin D.crosshead【单选】Each cylinder liner on the marine medium speed engines _____. A.is usually cooled by sea water B.can be replaced when worn out C.is in direct contact with the water in the bore of the cylinder D.can't expand when heated【单选】Electric wires should have each feature of the following except ______.A.flame retardantB.moisture resistantC.oil resistant D.low conductivity【单选】Engine speeds at which resonance can occur are termed ______.A.maximum speedsB.full speedsC.sea speedsD.critical speeds【单选】Equal power factors on paralleled AC generators are maintained by an automatic ________.A.voltage regulatorB.reverse power relayC.reverse current ernor control switch【单选】Failure to open the diesel engine test cocks after a long period of shutdown, prior to starting may result in _______.A.an air bound fuel systemB.damage to cylinder heads and pistonsC.excessive fuel injectionD.excessive air valve lift【单选】Fuel droplets injected into a diesel engine cylinder must have adequate penetration to ______.A.prolong the ignition delay periodB.ensure the beginning of fuel injectionC.thoroughly utilize the air chargeD.allow controlled fuel combustion【单选】Fuel is ignited into a diesel engine cylinder by ______.A.a spark plugB.injectorsC.the heat of compressionD.increasing jacket water temperatures【单选】Full travel of the electronic governor actuator linkage must exceed the ______ travel of the engine fuel control to ensure that the engine fuel control is capable of moving from the 'off' position to 'full fuel'. A.minimumB.averageC.maximumD.half【单选】Heavy residual fuel oils are heated prior to centrifuging to ______.A.reduce fuel weightB.increase specific gravityC.separate fuel from lube oilD.reduce fuel viscosity【单选】How can the chance of contaminating hydraulic fluid be decreased when working on hydraulic systems?A.Clean the fittings before they are disconnected.B.Place drip pans under leaky fittings.C.Seal any cracks in lines with Permatex.D.Coat all threads with graphite oil. 【单选】ISM code has applied to the ships as follows exceptA.Passenger shipsB.Bulk freight vessels of 500 gross tons or moreC.Warship of 500 gross tons or moreD.High-speed craft of 500 gross tons or more【单选】If a cam-controlled engine has a normal injection pressure at rated speed, the injection pressure will be ______ at slow speed.A.a little lower B.a little higherC.too lowD.exactly the same【单选】If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST ______.A.secure the ventilationB.find a soda acid extinguisherC.shut off the fuel oil supplyD.secure the generator【单选】If an oil spill occurs on deck, you should ______.A.cover the area with foamB.cover the area with absorbent materialC.wash down immediately with a fire hoseD.wash down immediately with an oil dispersing solvent【单选】If found oil when we open low oil level plug of separator, it indicates _______.A.the separator is overloadedB.the monitor equipment of separator failsC.the discharge pump of separator can not workD.the temperature of oil water is low【单选】If the engine is at rest during maneuver for an extended period the engine should _______, of course, that navigational circumstances permit, before restarting on fuel.A.be turned on airB.be tried on powerC.be turned by the turning gearD.be tested on fuel【单选】If the pump for a hydraulic anchor windlass is overheating, the cause may be ______.A.increased pump speedB.excessive pump discharge pressureC.too low of a tilting box angleD.low pump speed【单选】If the sea water supply pressure for a diesel engine cooling system is below normal, you should check for a ______.A.broken thermostatB.clogged sea water strainerC.blown head gasketD.cracked head【单选】If the speed of a turbocharged diesel engine is maintained constant as the load on the engine is increased, the speed of the turbocharger will ______.A.decrease until the engine speed increasesB.increaseC.decreaseD.remain unchanged【单选】If you heard a 'crackling' noise in a centrifugal pump, the most probable cause of the problem would be ______.A.insufficient speedB.cavitationC.excess discharge pressureD.excessive net positive suction head【单选】Immediately after any diesel engine is started, the engineer should check the ______.A.crankcase pressureB.lube oil pressureC.saltwater pressureD.exhaust temperature【单选】In Maritime Labour Convention, hours of rest may be divided into no more than two periods, one of which shall be at least ___ hour in length, and the interval between consecutive periods of rest shall not exceed 14 hours.A.fourB.fiveC.sixD.seven【单选】In ___ pumps a closed discharge valve will cause bursting discharge pressure.A.centrifugalB.plungerC.injectorD.water【单选】In ______ the control action is independent of the output.A.a closed loop control system B.an open loop control systemC.a boiler control system D.a steering gear control system【单选】In a diesel engine cooling water system, a pH of 6.0 indicates a/an ______.A.slightly acidic conditionB.slightly alkaline conditionC.over-treatment of waterD.neutral condition of water【单选】In a general cargo crane, _____ is fitted to lift the cargo load.A.the slewing motorB.the luffing motorC.the hoisting motorD.the fan motor【单选】In a radial piston pump, reversal and control of fluid flow are accomplished by moving the _______. A.central valveB.radial plungerC.floating ringD.cylinder body【单选】In an air conditioning system, moisture is removed from the air by ______.A.filtersB.separatorsC.ducted trapsD.dehumidifiers【单选】In common rail engines, the fuel is ______ before is injected into the cylinders.A.stored in a common fuel lineB.pumped by the injection pumpC.at low pressureD.already atomized【单选】In some diesel engine designs, the injection of cylinder oil is timed to impinge when the piston is coming upward and only impinge on ______.A.piston skirtB.piston crownC.piston ring belt.D.cylinder ring belt【单选】In the Oil Record Book, a comprehensive list of operational items are grouped into operational sections. Each section is codified by a/an ______.A.numberB.abbreviationC.letterD.number、abbreviation and letter【单选】In the electronic governor actuator, the oil pressure is provided by a ______ pump driven by a shaft connected to the engine camshaft.A.servomotorB.hydraulic motorC.gearD.volute【单选】In the event of a small bunker oil spill on deck occurring while bunkering, youshould ______.A.wash down the area immediately with a fire hoseB.wash down the area with keroseneC.cover the area with absorbent materialD.cover the area with foam【单选】In the event of minor emergencies when the machinery spaces unattended, ______ will be informed of malfunctions in the machinery by his cabin monitor.A.the chief engineerB.the engineer on cabin watchC.the bridge officer on watchD.the master【单选】In the production of freshwater from seawater through a process of heating and cooling, the cooling phase of production is usually called ______.A.evaporationB.distillationC.dehydrationD.condensation【单选】Increasing the temperature of a fuel will _____ its viscosity, and vice-versa.A.increaseB.not changeC.reduceD.add【单选】It ______ for an emergency generator to require paralleling.A.is usual B.is not usualC.is necessaryD.is not impossible【单选】It is important to note that when an excessive amount of water is present in the fuel the temperature for centrifuging must be kept below ______, otherwise forming and agitation of the fuel takes place.A.the condensating point of waterB.the boiling point of waterC.the flash point of the fuelD.the flammable point of the fuel【单选】It is possible to mount a double suction centrifugal pump impeller with the vanes facing in the wrong direction. This would cause the pump ______.A.head capacity to improveB.discharge to be reversedC.efficiency to decreaseD.slippage to decrease【单选】Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by ______.A.permanent loss of pump suctionB.worn shaft sealsC.high level in the oil sumpD.low motor RPM【单选】Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an ______.A.over-speed tripB.audible/visual alarmC.the ships/boats general alarmD.reserve oil storage tank【单选】Maintaining the lowest possible scavenging air temperature at all times is not recommended due to the possibility of the ______.A.air charge density becoming too highB.piston crown surfaces becoming too coldC.formation of excessive quantities of pression pressure being greatly reduced【单选】Maximum pressure readings should be taken when the engine is running on ______ as steadily as possible.A.half loadB.full loadC.average loadD.minimum load【单选】Motor controllers are seldom troubled with grounds because ______.A.the auxiliary contacts have a high resistance connectionB.the contactors and relays are mounted on a non-conducting panelC.the resistor banks are composed of individual series-connected unitsD.there are separate switches for the motor and the control【单选】Noxious emissions amount to 0.25～0.4 percent by volume of the exhaust gas, depending on the amount of ______ in the fuel and its lower heat value, and the engine type, speed and efficiency.A.carbonB.sulphurC.oxidD.water【单选】Over-greasing of ball bearings installed on pumps will result in ______.A.smoother pump operationB.overheating of the bearingC.reduced corrosion in the bearingD.increased pump capacity【单选】Owing to its __________, the low speed cross-head diesel engine is widely used on board ship as a main engine.A.smaller size and simple constructionB.long life, lower cost and reliabilityC.easier operation and managementD.simple construction and easier management【单选】Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine ______.A.slightly less than the line frequencyB.the same as the line frequencyC.slightly greater than the line frequencyD.have nothing to do with the line frequency【单选】Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to ______.A.test the starting systemB.remove condensation from the cylindersC.check the compressionD.check for proper lube oil pressure【单选】Reheating a hardened component to a temperature lower than the hardening temperature and then cooling it is known as ______.A.low temperature hardeningB.case hardeningC.annealingD.tempering【单选】Remote control means that _____ .A.the system is manned manuallyB.the system is situated remotely from the operatorC.the system is controlled automaticallyD.the system is controlled from the bridge【单选】Restrictions occurring in the small orifices of pneumatic control system components can be caused by ______.A.moisture in the compressed air supplyB.excessive dryness in the compressed air supplyC.pressure surging in the compressed air receiverD.insufficient lubrication of the system components【单选】STCW Convention describes that _____ are laid down for the certification of engineer officers in charge of a watch in a traditionally manned engine room, or the designated engineer in a periodically unmanned engine room. A.available minimum requirementsB.available maximum requirementsC.mandatory minimum requirementsD.mandatory maximum requirements【单选】STCW Convention states that the officer in charge of the engineering watch is the _____ representative.A.ship-owner'sB.master'sC.chief engineer'sD.manager's【单选】Safe working conditions inside the crankcase are ______, especially for large bore engines where the components are quite heavy.A.reliableB.safetyC.easyD.important【单选】Seawater can be used for drinking ______. A.at a maximum rate of two ounces per dayB.after mixing with an equal quantity of fresh waterC.if gather during or immediately after a hard rainD.under no circumstance【单选】Smaller equipment may be supplied via ______ or miniature circuit breakers.A.exciters mutatorsC.fusesD.wattmeter【单选】The Abbreviation "ERM" in the Manila Amendments to the STCW Convention stands for ______.A.Engine Room ManagementB.Engine Resources ManagementC.Engineer Resources ManagementD.Engine-room Resources Management【单选】The ISM Code is a part of ____.A.SOLASB.MARPOLC.STCWD.Ballast Water convention【单选】The International Management Code for the Safe operation of ships and for Pollution Prevention is referred to as _______.A.ISM CodeB.IOPP CodeC.IMS CodeD.ISPS Code 【单选】The Port Authorities, in accordance with the IMO resolutions have been carrying out _____ to enhance safety of foreign ships.A.CPP B.FPP C.PSC D.FSC【单选】The SMS should provide for specific measures aimed at promoting the_____ of equipment or systems, the sudden operational failure of which may result in hazardous situations.A.visibilityB.abilityC.reliabilityD.capability【单选】The ______of the telemotor is mounted on the steeringgear.A.transmitterB.receiverC.pipesD.charging unit【单选】The ability of lubricating oils to resist viscosity changes during temperature changes is indicated by the ______.A.American Petroleum B.Institute number viscosity index numberC.Seconds Saybolt Furol numberD.Seconds Saybolt Universal number【单选】The activated sludge strength should be checked at regular intervals, and it is good that the color of the aeration compartment water is ______.A.chocolateB.yellowC.blackishD.ivory-white【单选】The air distributor is conventionally driven by ______ and distributes ______ into each cylinder by certain sequence.A.camshaft / fresh airB.camshaft / starting airC.electronic motor which is controlled by a computer / fresh airD.electronic motor which is controlled by a computer / starting air【单选】The burning of ______ is a class‘C’fire.A.diesel oilB.magnesiumC.dunnageD.electrical insulation【单选】The capacity of the supply pump to the separator should correspond with the recommended throughput, or it must be adjusted without the risk of ______ formation.A.sludgeB.emulsionC.oil runoutD.deposit【单选】The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when ______. A.excessive loads are placed on the winch B.minimum pull is being exerted by the winch C.automatic operation of the winch is desired D.wire is being retrieved at the maximum rate【单选】The cooling water jacket is common to all the cylinders but there are often ______ to ensure that each cylinder receives the right amount and flow of water. A.dividing walls B.divided walls C.dividing liners D.divided jackets【单选】The descriptions about cetane number are TRUE except ______.A.Cetane number indicates ignition qualityB.The lower value the cetane number is of, the poorer the ignition quality will beC.Cetane number isn't the only measurement of ignition quality.D.Cetane number is measured by Redwood instrument【单选】The device that most commonly utilizes the principle of electromagnetic induction is the ______.A.diodeB.transformerC.transistorD.rheostat【单选】The engineer officer in charge of the watch shall ensure that ______are kept under constant surveillance.A.the devices and systems in chargeB.the communication devicesC.the main propulsion plant and auxiliary systemsD.the steering gear【单选】The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and ______.A.reduce water temperatureB.reduce water turbulenceC.provide an air cushionD.allow for an increase in water volume as the engine warms up【单选】The extended aeration process consists of _____ the liquor either by bubbling air through it or by agitating the surface.A.deoxygenating B.oxygenatingC.chemicalizingD.disinfecting【单选】The frequency output of an operating alternator is controlled by the ______.A.relative speed of the rotor polesB.number of turns of wire in the armature coilC.strength of the magnets usedD.output voltage【单选】The instrument which the emergency switchboard doesn't need is ______.A.ammeter B.voltageC.wattmeterD.synchronous meter【单选】The load sharing characteristics of two diesel generators operating in parallel are mostly dependent on their governor ______.A.load limit settingsB.idle speed settingsC.speed limit settingsD.speed droop settings【单选】The lubricating oil purifier may ______ oil from the drain tank and ______ the clean oil into the supply line.A.take; takeB.discharge; takeC.discharge; dischargeD.take; discharge 【单选】The magnetic field is provided by electromagnets so arranged that adjacent poles have ______.A.opposite polarityB.the same polarityC.negative polarityD.positive polarity 【单选】The main objective of ISPS Code is ______.A.to prevent the human injury and the loss of lifeB.to specify the measures to enhance maritime securityC.to avoid the damage to the environment, particularly to the marine environmentD.to ensure the compliance with conventions【单选】The main objective of the SOLAS Convention is ______.A.to specify minimum standards for the construction, equipment and operation of ships.B.to specify minimum standards for the training, certification and watch keeping for seafarers.C.to provide minimum standards for the operation of vessels.D.to tell the company how to run the business.【单选】The majority of automatic mooring winches are _____ to improve the backward efficiency of the gear train for rendering.A.spur gearedB.screw gearedC.worm gearedD.belt driven【单选】The most critical part of the bunkering operations, which can result in an oil spill, is when the ______.A.hose joints are made upB.tanks are being topped offC.system is being lined upD.pumping operation is first started【单选】The officer in charge of an engineering watch shall have the knowledge of ERM principles, including obtaining and maintaining ______.A.situational awarenessB.safety awarenessC.environmental awarenessD.anti-pollution awareness【单选】The officer in charge of the engineering watch shall ensure that at all times bridge orders relating to changes in _____ of operation are immediately implemented. A.ahead or astern B.fore or aft C.up or down D.speed or direction【单选】The only means of removing the latent heat of condensation from a refrigerant in the normal refrigeration cycle is by ______.A.passing it through the expansion valveB.condensing refrigerant in the system condenserC.passing the gaseous refrigerant through the heat interchanger on the suction side of the compressorD.maintaining a high pressure on the system's receiver【单选】The operator of electrical motors should keep a constant check on the loads they carry because ______.A.low loads necessitate frequent insulation cleaningB.exceeding nameplate values shortens useful lifeC.energy is wasted if full loading is not utilizedD.power factor correction methods are load dependent【单选】The overcurrent relay _____ the motor contactor when the motor exceeds its rated current.A.connectsB.tripsC.foulsD.destructs【单选】The part of a fuse that melts and opens the circuit is made of ______.A.copper and antimonyB.steel and babbittC.aluminum or beryllium alloyD.zinc or an alloy of tin and lead【单选】The piston rod scraper box incorporated in a two-stroke/cycle, crosshead diesel engine serves to ______.A.eliminate the necessity for an oil scraper ringB.prevent side thrust and cylinder scoringC.prevent sludge and dirty oil from entering the crankcaseD.scrape oil。
轮机英语试题及答案
轮机英语试题及答案一、选择题（每题1分，共10分）1. What is the term for the main engine of a ship?A. PropellerB. RudderC. EngineD. Boiler2. Which of the following is not a type of marine fuel?A. DieselB. BunkerC. GasolineD. Heavy Fuel Oil3. What does the abbreviation "SOLAS" stand for?A. Society of Legal and Administrative StudiesB. Safety of Life at SeaC. Special Operations and Logistics AssistanceD. Ship Operating and Lifesaving Systems4. What is the purpose of a ship's anchor?A. To propel the shipB. To steer the shipC. To secure the ship when not in motionD. To lift heavy objects5. The term "deadweight tonnage" refers to:A. The weight of the ship's hullB. The maximum weight a ship can carryC. The weight of the ship's cargoD. The weight of the ship's fuel6. What is the function of a ship's bilge?A. To store fresh waterB. To collect and pump out water from the hullC. To provide buoyancyD. To store oil7. Which of the following is a navigational instrument?A. CompassB. Engine roomC. LifeboatD. Anchor8. What is the term for the lowest part of a ship's hull?A. DeckB. HullC. KeelD. Stern9. What does "GM" stand for in ship stability calculations?A. Gross MassB. Gross TonnageC. Gantry MastD. Metacentric Height10. The International Maritime Organization is abbreviated as:A. IMOB. ITUC. ISOD. ILO二、填空题（每题1分，共5分）11. The main components of a ship's propulsion system include the ______, propulsion shaft, and propeller.12. The ______ is the person responsible for the operation and maintenance of the ship's engine.13. The term "freeboard" refers to the distance between the waterline and the ______ of the ship.14. A ship's ______ is the area where the crew lives and works.15. The ______ is a document that provides information about the ship's safety equipment and procedures.三、简答题（每题5分，共20分）16. Explain the difference between a cargo ship and a tanker.17. Describe the role of the International Maritime Organization (IMO) in maritime safety.18. What are the main factors considered when designing a ship's hull?19. Discuss the importance of regular maintenance of a ship's engine.四、论述题（每题15分，共30分）20. Discuss the environmental impact of maritime transportation and how it can be mitigated.21. Analyze the challenges faced by a ship's crew during a long voyage and how they can be addressed.五、翻译题（每题5分，共10分）22. Translate the following sentence into English: “船舶的稳性是指船舶在受到外力作用时，能够保持平衡的能力。
甲类三管轮机英语考试真题
【单选】In some cases, when _____ exceeds a pre-set value ,the filter is automatically back flushed with air ,the displaced oil going to auxiliary drain tank where it is subsequently filtered and pumped back into the system A.the differential temperatureB.the differential pressureC.the temperature and pressureD.the pressure【单选】'Insufficiency of manning or insufficiency of certification of seafarers' is an identification of a/an ______.A.substandard shipB.standard shipC.over-standard shipD.reference ship【单选】'Loop,' 'uniflow,' 'crossflow,' and 'return-flow' are terms used to describe various types of ______.A.control air circuitsB.superchargingC.turbochargersD.scavenging【单选】 A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an ______.A.rotorB.statorC.exciterD.armature【单选】 A centrifuge arranged to separate two liquids is known as _____.A.an oily water separatorB.a purifierC.a centrifugal compressorD.a clarifier【单选】 A circuit breaker and a fuse have a basic similarity in that they both ______.A.can be reset to energize the circuitB.should open the circuit when overloadedC.will burn out when an over current flow developsD.should short the circuit when overloaded【单选】 A circuit breaker differs from a fuse in that a circuit breaker ______.A.melts and must be replacedB.is enclosed in a tube of insulating material with metal ferrules at each endC.gives no visual indication of having opened the circuitD.trips to break the circuit and may be reset【单选】 A circuit breaker is ______.A.a distribution device B.a lighting equipmentC.the indicating instrumentD.an isolating switch【单选】 A combination combustible gas and oxygen indicator is an instrument that measures the _____ of both combustible gas and oxygen; each is indicated on a separate binationsC.concentrationD.filters【单选】 A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an ______.A.double-acting engineB.opposed pistons engineC.single-acting engineD.horizontal acting engine【单选】 A fire involving aluminum powder would be a class _________. A.'A' fireB.'B' fireC.'C' fireD.'D' fire【单选】 A hydraulic motor may be driven by ______.A.an electric motorB.a diesel engineC.a compressorD.oil【单选】 A marine diesel engine is started by______.A.supplying high pressure oil into a hydraulic motorB.supplying high temperature air into the cylinderC.supplying high pressure air into the cylinderD.electrical igniting【单选】 A positive displacement pump is that where the volume of the pump chamber is alternately increased to ___ and then decreased to ___. A.draw the liquid in / force the liquid outB.force the liquid out / draw the liquid inC.suction/drawD.deliver/outlet【单选】 A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to ______.A.feel the high pressure fuel lineB.check the cylinder exhausts for white smoke frequentlyC.check the cylinder exhaust temperatureD.isolate each cylinder and inspect the injector【单选】 A segregated ballast system is a system where ______.A.all ballast is processed through the oily water separatorB.ballast is taken on and discharged through a separate main deck riserC.ballast and cargo tanks are separated by cofferdamsD.all ballast lines, tanks, and pumps are independent of those used for oil【单选】 A supercharged diesel engine, when compared to a similar naturally aspirated diesel engine, will develop an increase in ______.A.ignition lagB.engine horsepowerC.lube oil system pressureD.specific fuel consumption【单选】 A viscosity regulator used for an engine is usually provided in order to _____ for an engine burning heavy fuel oil.A.regulate the fuel supplyB.maintain a constant fuel viscosity at the fuel valvesC.maintain efficient coolingD.alter the fuel density【单选】According to STCW, the abilities specified in the standards of competence are grouped as seven functions at three levels of responsibility, which of the following is not one of the three levels?A.Navigational levelB.Management levelC.Operational levelD.Support level【单选】According to the MARPOL CODE, glass, metal and paper materials should ______.A.never be discharged into seaB.be discharged beyond 12 nm from nearest landC.be discharged limited in 12 nm from nearest landD.be discharged to sea【单选】According to the SOLAS convention, the bilge water system ______A.The bilge pump must connect the bilge well suction directlyB.should not pump out the water accumulated in the cargosC.should not be used for emergency drainage in case of ship collisionD.should be connected to the fire fighting system directly【单选】After 'F.W.E.' is given, the air system is shut down, the _____ gear put in, all drains and indicator cocks opened, and the cooling water kept running.A.steeringB.timingC.turningD.running【单选】After 'finished with engine', which of the following cannot be shut off by the duty engineer ?A.fuel oil booster pumpB.the main starting valveC.the sea chestD.the main cooling sea water pump【单选】After taking on fuel oil, the hoses should be disconnected and ______.A.draped over the fantail to dry outB.drained over the side and washed outC.drained into the bilges and washed outD.drained into buckets【单选】Air chambers are usually fitted to reciprocating pumps in order to ___.A.increase discharge pressureB.increase suction vacuumC.develop pulsation flowD.keep a steady rate of flow【单选】All crew's assigned emergency stations can be found on the ship's ______.A.muster listB.certificate of inspectionC.clearance papersD.permit to proceed【单选】All details of fuel bunkering or slop disposal must be entered in the _____.A.rough logB.engine room log bookC.oil record bookD.smooth log【单选】An emergency generator, driven by an internal combustion engine, shall be tested under load for a minimum of 2 hours at least once every ______.A.weekB.2 weeksC.monthD.3 months【单选】An incinerator auxiliary burner can not be ignited. It is NOT caused by______.A.carbon deposits on the electrodesB.defective atomizerC.low oil pressureD.too much water in the oil sludge【单选】An incinerator auxiliary oil-fired burner is used to ignite ______.A.the solidwaste or the oil sludgeB.the solid waste onlyC.the oil sludge onlyD.neither the solid waste nor the oil sludge【单选】Anchor capstans are used in some installation where the cable lifter rotates about a ______. A.horizontal axisB.crankshaftC.vertical axisD.camshaft【单选】As for oil separator, ______contributes to poor separation efficiency and carries over of water into the clean oil outlet.A.A too big gravity discB.A too small gravity discC.The high oil temperatureD.The high speed motor【单选】As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperatures will ______.A.increaseB.decreaseC.remain unchangedD.be greatest at dew point【单选】Before doing any work on a hydraulic system equipped with accumulators, you should ______.A.drain the accumulators and purge with oxygenB.bleed off all stored energy from the accumulators completely C.charge the accumulators to prevent system energy lossD.pump the hydraulic fluid into the accumulators to prevent fluid loss【单选】Before starting the engine, the air bottle should be ______.A.pumped up B.loaded C.discharged D.closed【单选】Biological sewage water treatment plant work on the_____.A.heating processB.settling processC.aeration processD.centrifuging process【单选】Cargo handling unit is rated according to the _____ to be lifted.A.cargo craneB.jibC.safe working loadD.oil pressure【单选】Centrifugal pumps, used to handle hot liquids, must have a minimum flow through them under all operating conditions. This flow serves to ______.A.prevent overheating and damage to pump rotating parts due to rubbingB.maintain the net positive suction head of the pumpC.maintain hydraulic differential in the pump impeller passagesD.purge the pump of non-condensable vapors and gases【单选】Coalescence is the breakdown of surface tension between oil droplets in an oil/water mixture, which causes them to join and _____ in size.A.expand B.extract C.increase D.decrease【单选】Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by ______.A.cylinder pression ringsC.piston skirtsD.oil rings【单选】Cooling of engines is achieved by circulating a cooling liquid around internal ______ within the engine.A.airB.passagesC.pipesD.means【单选】Dual electro-hydraulic steering units usually operate ______.A.with both pumps on line at the same timeB.with one pump on standbyC.with the follow-up gear disconnectedD.only when the rudder is moved amidships【单选】During ______ the gases are driven out of the cylinder by the piston.A.The suction strokeB.The compression strokeC.The expansion strokeD.the exhaust stroke【单选】During purification, if the operating water tank is empty, which of the following malfunctions will appear?A.Some oil will flow from the water outlet of the separator.B.There will be some water in the purified oil.C.Some oil will flow from the sludge outlet of the separator.D.If discharging the sludge, there will be no flushing water.【单选】Each crank is made up of two crank webs joined by a common ______ to which the bottom end bearing is fitted. A.throw B.crankshaft C.crankpin D.crosshead【单选】Each cylinder liner on the marine medium speed engines _____. A.is usually cooled by sea water B.can be replaced when worn out C.is in direct contact with the water in the bore of the cylinder D.can't expand when heated【单选】Electric wires should have each feature of the following except ______.A.flame retardantB.moisture resistantC.oil resistant D.low conductivity【单选】Engine speeds at which resonance can occur are termed ______.A.maximum speedsB.full speedsC.sea speedsD.critical speeds【单选】Equal power factors on paralleled AC generators are maintained by an automatic ________.A.voltage regulatorB.reverse power relayC.reverse current ernor control switch【单选】Failure to open the diesel engine test cocks after a long period of shutdown, prior to starting may result in _______.A.an air bound fuel systemB.damage to cylinder heads and pistonsC.excessive fuel injectionD.excessive air valve lift【单选】Fuel droplets injected into a diesel engine cylinder must have adequate penetration to ______.A.prolong the ignition delay periodB.ensure the beginning of fuel injectionC.thoroughly utilize the air chargeD.allow controlled fuel combustion【单选】Fuel is ignited into a diesel engine cylinder by ______.A.a spark plugB.injectorsC.the heat of compressionD.increasing jacket water temperatures【单选】Full travel of the electronic governor actuator linkage must exceed the ______ travel of the engine fuel control to ensure that the engine fuel control is capable of moving from the 'off' position to 'full fuel'. A.minimumB.averageC.maximumD.half【单选】Heavy residual fuel oils are heated prior to centrifuging to ______.A.reduce fuel weightB.increase specific gravityC.separate fuel from lube oilD.reduce fuel viscosity【单选】How can the chance of contaminating hydraulic fluid be decreased when working on hydraulic systems?A.Clean the fittings before they are disconnected.B.Place drip pans under leaky fittings.C.Seal any cracks in lines with Permatex.D.Coat all threads with graphite oil. 【单选】ISM code has applied to the ships as follows exceptA.Passenger shipsB.Bulk freight vessels of 500 gross tons or moreC.Warship of 500 gross tons or moreD.High-speed craft of 500 gross tons or more【单选】If a cam-controlled engine has a normal injection pressure at rated speed, the injection pressure will be ______ at slow speed.A.a little lower B.a little higherC.too lowD.exactly the same【单选】If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST ______.A.secure the ventilationB.find a soda acid extinguisherC.shut off the fuel oil supplyD.secure the generator【单选】If an oil spill occurs on deck, you should ______.A.cover the area with foamB.cover the area with absorbent materialC.wash down immediately with a fire hoseD.wash down immediately with an oil dispersing solvent【单选】If found oil when we open low oil level plug of separator, it indicates _______.A.the separator is overloadedB.the monitor equipment of separator failsC.the discharge pump of separator can not workD.the temperature of oil water is low【单选】If the engine is at rest during maneuver for an extended period the engine should _______, of course, that navigational circumstances permit, before restarting on fuel.A.be turned on airB.be tried on powerC.be turned by the turning gearD.be tested on fuel【单选】If the pump for a hydraulic anchor windlass is overheating, the cause may be ______.A.increased pump speedB.excessive pump discharge pressureC.too low of a tilting box angleD.low pump speed【单选】If the sea water supply pressure for a diesel engine cooling system is below normal, you should check for a ______.A.broken thermostatB.clogged sea water strainerC.blown head gasketD.cracked head【单选】If the speed of a turbocharged diesel engine is maintained constant as the load on the engine is increased, the speed of the turbocharger will ______.A.decrease until the engine speed increasesB.increaseC.decreaseD.remain unchanged【单选】If you heard a 'crackling' noise in a centrifugal pump, the most probable cause of the problem would be ______.A.insufficient speedB.cavitationC.excess discharge pressureD.excessive net positive suction head【单选】Immediately after any diesel engine is started, the engineer should check the ______.A.crankcase pressureB.lube oil pressureC.saltwater pressureD.exhaust temperature【单选】In Maritime Labour Convention, hours of rest may be divided into no more than two periods, one of which shall be at least ___ hour in length, and the interval between consecutive periods of rest shall not exceed 14 hours.A.fourB.fiveC.sixD.seven【单选】In ___ pumps a closed discharge valve will cause bursting discharge pressure.A.centrifugalB.plungerC.injectorD.water【单选】In ______ the control action is independent of the output.A.a closed loop control system B.an open loop control systemC.a boiler control system D.a steering gear control system【单选】In a diesel engine cooling water system, a pH of 6.0 indicates a/an ______.A.slightly acidic conditionB.slightly alkaline conditionC.over-treatment of waterD.neutral condition of water【单选】In a general cargo crane, _____ is fitted to lift the cargo load.A.the slewing motorB.the luffing motorC.the hoisting motorD.the fan motor【单选】In a radial piston pump, reversal and control of fluid flow are accomplished by moving the _______. A.central valveB.radial plungerC.floating ringD.cylinder body【单选】In an air conditioning system, moisture is removed from the air by ______.A.filtersB.separatorsC.ducted trapsD.dehumidifiers【单选】In common rail engines, the fuel is ______ before is injected into the cylinders.A.stored in a common fuel lineB.pumped by the injection pumpC.at low pressureD.already atomized【单选】In some diesel engine designs, the injection of cylinder oil is timed to impinge when the piston is coming upward and only impinge on ______.A.piston skirtB.piston crownC.piston ring belt.D.cylinder ring belt【单选】In the Oil Record Book, a comprehensive list of operational items are grouped into operational sections. Each section is codified by a/an ______.A.numberB.abbreviationC.letterD.number、abbreviation and letter【单选】In the electronic governor actuator, the oil pressure is provided by a ______ pump driven by a shaft connected to the engine camshaft.A.servomotorB.hydraulic motorC.gearD.volute【单选】In the event of a small bunker oil spill on deck occurring while bunkering, youshould ______.A.wash down the area immediately with a fire hoseB.wash down the area with keroseneC.cover the area with absorbent materialD.cover the area with foam【单选】In the event of minor emergencies when the machinery spaces unattended, ______ will be informed of malfunctions in the machinery by his cabin monitor.A.the chief engineerB.the engineer on cabin watchC.the bridge officer on watchD.the master【单选】In the production of freshwater from seawater through a process of heating and cooling, the cooling phase of production is usually called ______.A.evaporationB.distillationC.dehydrationD.condensation【单选】Increasing the temperature of a fuel will _____ its viscosity, and vice-versa.A.increaseB.not changeC.reduceD.add【单选】It ______ for an emergency generator to require paralleling.A.is usual B.is not usualC.is necessaryD.is not impossible【单选】It is important to note that when an excessive amount of water is present in the fuel the temperature for centrifuging must be kept below ______, otherwise forming and agitation of the fuel takes place.A.the condensating point of waterB.the boiling point of waterC.the flash point of the fuelD.the flammable point of the fuel【单选】It is possible to mount a double suction centrifugal pump impeller with the vanes facing in the wrong direction. This would cause the pump ______.A.head capacity to improveB.discharge to be reversedC.efficiency to decreaseD.slippage to decrease【单选】Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by ______.A.permanent loss of pump suctionB.worn shaft sealsC.high level in the oil sumpD.low motor RPM【单选】Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an ______.A.over-speed tripB.audible/visual alarmC.the ships/boats general alarmD.reserve oil storage tank【单选】Maintaining the lowest possible scavenging air temperature at all times is not recommended due to the possibility of the ______.A.air charge density becoming too highB.piston crown surfaces becoming too coldC.formation of excessive quantities of pression pressure being greatly reduced【单选】Maximum pressure readings should be taken when the engine is running on ______ as steadily as possible.A.half loadB.full loadC.average loadD.minimum load【单选】Motor controllers are seldom troubled with grounds because ______.A.the auxiliary contacts have a high resistance connectionB.the contactors and relays are mounted on a non-conducting panelC.the resistor banks are composed of individual series-connected unitsD.there are separate switches for the motor and the control【单选】Noxious emissions amount to 0.25～0.4 percent by volume of the exhaust gas, depending on the amount of ______ in the fuel and its lower heat value, and the engine type, speed and efficiency.A.carbonB.sulphurC.oxidD.water【单选】Over-greasing of ball bearings installed on pumps will result in ______.A.smoother pump operationB.overheating of the bearingC.reduced corrosion in the bearingD.increased pump capacity【单选】Owing to its __________, the low speed cross-head diesel engine is widely used on board ship as a main engine.A.smaller size and simple constructionB.long life, lower cost and reliabilityC.easier operation and managementD.simple construction and easier management【单选】Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine ______.A.slightly less than the line frequencyB.the same as the line frequencyC.slightly greater than the line frequencyD.have nothing to do with the line frequency【单选】Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to ______.A.test the starting systemB.remove condensation from the cylindersC.check the compressionD.check for proper lube oil pressure【单选】Reheating a hardened component to a temperature lower than the hardening temperature and then cooling it is known as ______.A.low temperature hardeningB.case hardeningC.annealingD.tempering【单选】Remote control means that _____ .A.the system is manned manuallyB.the system is situated remotely from the operatorC.the system is controlled automaticallyD.the system is controlled from the bridge【单选】Restrictions occurring in the small orifices of pneumatic control system components can be caused by ______.A.moisture in the compressed air supplyB.excessive dryness in the compressed air supplyC.pressure surging in the compressed air receiverD.insufficient lubrication of the system components【单选】STCW Convention describes that _____ are laid down for the certification of engineer officers in charge of a watch in a traditionally manned engine room, or the designated engineer in a periodically unmanned engine room. A.available minimum requirementsB.available maximum requirementsC.mandatory minimum requirementsD.mandatory maximum requirements【单选】STCW Convention states that the officer in charge of the engineering watch is the _____ representative.A.ship-owner'sB.master'sC.chief engineer'sD.manager's【单选】Safe working conditions inside the crankcase are ______, especially for large bore engines where the components are quite heavy.A.reliableB.safetyC.easyD.important【单选】Seawater can be used for drinking ______. A.at a maximum rate of two ounces per dayB.after mixing with an equal quantity of fresh waterC.if gather during or immediately after a hard rainD.under no circumstance【单选】Smaller equipment may be supplied via ______ or miniature circuit breakers.A.exciters mutatorsC.fusesD.wattmeter【单选】The Abbreviation "ERM" in the Manila Amendments to the STCW Convention stands for ______.A.Engine Room ManagementB.Engine Resources ManagementC.Engineer Resources ManagementD.Engine-room Resources Management【单选】The ISM Code is a part of ____.A.SOLASB.MARPOLC.STCWD.Ballast Water convention【单选】The International Management Code for the Safe operation of ships and for Pollution Prevention is referred to as _______.A.ISM CodeB.IOPP CodeC.IMS CodeD.ISPS Code 【单选】The Port Authorities, in accordance with the IMO resolutions have been carrying out _____ to enhance safety of foreign ships.A.CPP B.FPP C.PSC D.FSC【单选】The SMS should provide for specific measures aimed at promoting the_____ of equipment or systems, the sudden operational failure of which may result in hazardous situations.A.visibilityB.abilityC.reliabilityD.capability【单选】The ______of the telemotor is mounted on the steeringgear.A.transmitterB.receiverC.pipesD.charging unit【单选】The ability of lubricating oils to resist viscosity changes during temperature changes is indicated by the ______.A.American Petroleum B.Institute number viscosity index numberC.Seconds Saybolt Furol numberD.Seconds Saybolt Universal number【单选】The activated sludge strength should be checked at regular intervals, and it is good that the color of the aeration compartment water is ______.A.chocolateB.yellowC.blackishD.ivory-white【单选】The air distributor is conventionally driven by ______ and distributes ______ into each cylinder by certain sequence.A.camshaft / fresh airB.camshaft / starting airC.electronic motor which is controlled by a computer / fresh airD.electronic motor which is controlled by a computer / starting air【单选】The burning of ______ is a class‘C’fire.A.diesel oilB.magnesiumC.dunnageD.electrical insulation【单选】The capacity of the supply pump to the separator should correspond with the recommended throughput, or it must be adjusted without the risk of ______ formation.A.sludgeB.emulsionC.oil runoutD.deposit【单选】The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when ______. A.excessive loads are placed on the winch B.minimum pull is being exerted by the winch C.automatic operation of the winch is desired D.wire is being retrieved at the maximum rate【单选】The cooling water jacket is common to all the cylinders but there are often ______ to ensure that each cylinder receives the right amount and flow of water. A.dividing walls B.divided walls C.dividing liners D.divided jackets【单选】The descriptions about cetane number are TRUE except ______.A.Cetane number indicates ignition qualityB.The lower value the cetane number is of, the poorer the ignition quality will beC.Cetane number isn't the only measurement of ignition quality.D.Cetane number is measured by Redwood instrument【单选】The device that most commonly utilizes the principle of electromagnetic induction is the ______.A.diodeB.transformerC.transistorD.rheostat【单选】The engineer officer in charge of the watch shall ensure that ______are kept under constant surveillance.A.the devices and systems in chargeB.the communication devicesC.the main propulsion plant and auxiliary systemsD.the steering gear【单选】The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and ______.A.reduce water temperatureB.reduce water turbulenceC.provide an air cushionD.allow for an increase in water volume as the engine warms up【单选】The extended aeration process consists of _____ the liquor either by bubbling air through it or by agitating the surface.A.deoxygenating B.oxygenatingC.chemicalizingD.disinfecting【单选】The frequency output of an operating alternator is controlled by the ______.A.relative speed of the rotor polesB.number of turns of wire in the armature coilC.strength of the magnets usedD.output voltage【单选】The instrument which the emergency switchboard doesn't need is ______.A.ammeter B.voltageC.wattmeterD.synchronous meter【单选】The load sharing characteristics of two diesel generators operating in parallel are mostly dependent on their governor ______.A.load limit settingsB.idle speed settingsC.speed limit settingsD.speed droop settings【单选】The lubricating oil purifier may ______ oil from the drain tank and ______ the clean oil into the supply line.A.take; takeB.discharge; takeC.discharge; dischargeD.take; discharge 【单选】The magnetic field is provided by electromagnets so arranged that adjacent poles have ______.A.opposite polarityB.the same polarityC.negative polarityD.positive polarity 【单选】The main objective of ISPS Code is ______.A.to prevent the human injury and the loss of lifeB.to specify the measures to enhance maritime securityC.to avoid the damage to the environment, particularly to the marine environmentD.to ensure the compliance with conventions【单选】The main objective of the SOLAS Convention is ______.A.to specify minimum standards for the construction, equipment and operation of ships.B.to specify minimum standards for the training, certification and watch keeping for seafarers.C.to provide minimum standards for the operation of vessels.D.to tell the company how to run the business.【单选】The majority of automatic mooring winches are _____ to improve the backward efficiency of the gear train for rendering.A.spur gearedB.screw gearedC.worm gearedD.belt driven【单选】The most critical part of the bunkering operations, which can result in an oil spill, is when the ______.A.hose joints are made upB.tanks are being topped offC.system is being lined upD.pumping operation is first started【单选】The officer in charge of an engineering watch shall have the knowledge of ERM principles, including obtaining and maintaining ______.A.situational awarenessB.safety awarenessC.environmental awarenessD.anti-pollution awareness【单选】The officer in charge of the engineering watch shall ensure that at all times bridge orders relating to changes in _____ of operation are immediately implemented. A.ahead or astern B.fore or aft C.up or down D.speed or direction【单选】The only means of removing the latent heat of condensation from a refrigerant in the normal refrigeration cycle is by ______.A.passing it through the expansion valveB.condensing refrigerant in the system condenserC.passing the gaseous refrigerant through the heat interchanger on the suction side of the compressorD.maintaining a high pressure on the system's receiver【单选】The operator of electrical motors should keep a constant check on the loads they carry because ______.A.low loads necessitate frequent insulation cleaningB.exceeding nameplate values shortens useful lifeC.energy is wasted if full loading is not utilizedD.power factor correction methods are load dependent【单选】The overcurrent relay _____ the motor contactor when the motor exceeds its rated current.A.connectsB.tripsC.foulsD.destructs【单选】The part of a fuse that melts and opens the circuit is made of ______.A.copper and antimonyB.steel and babbittC.aluminum or beryllium alloyD.zinc or an alloy of tin and lead【单选】The piston rod scraper box incorporated in a two-stroke/cycle, crosshead diesel engine serves to ______.A.eliminate the necessity for an oil scraper ringB.prevent side thrust and cylinder scoringC.prevent sludge and dirty oil from entering the crankcaseD.scrape oil。
《轮机英语》试题（二三管轮）含答案
《轮机英语》试题（二三管轮）含答案《轮机英语》考试复习题(二、三管轮)第一章船舶动力装置1.“Before disconnecting the oil pipe, would you flush the oil retained in the pipe?”asked the oil barge owner.A． by using of fresh waterB．with compressed air √C． by using of sea waterD． with chemical compound2.“Stand by an engine” means _____.A．“prepare to stop the engine”B．“assemble an engine on its bedplate”C．“make an engine ready for starting”√D．“dismantle an engine”3. A _____ is the foundation of the engine, without the support of which the shaft alignmentin particular, and engine structure as a whole, would inevitably be lost.A． FrameB．Bedplate √C． CylinderD． Liner4._____ are commonly used in mechanical-hydraulic governor to sense engine speeds.A． BulbsB． BulksC．Flyweights √D． Flywheels5._____ are generally formed in the frame of the both in-line and Vee engines to givemaintenance access to the crankshaft main and connecting rod large end bearing.A．Doors √B． Aspirate gauzerC． CouplingD． Blind6._____ device is provided to prevent starting air from being admitted to the cylinderbefore the reversing is completed.A．An automatic √B． A transmissionC． A self-regulatingD． An interlocking7._____ fuel oils _____ lubricating oils require treatment before passing to the engine.A．Both/and √B． Neither/norD． Both/or8._____ is sometimes used for piston cooling since leaks into the crankcase would not causeproblems.A． Diesel oilB． Hydraulic oilC．Lube oil √D． Mineral oil9._____ is the removal of exhaust gases by blowing in fresh air.A． Gas exchangeB． ChargingC．Scavenging √D． Supercharging10._____ is used for cylinder and cylinder head, the salt water is used for cooling thelubricating oil, the fresh water in the coolers and the charging air in the air cooler.A． The fuel oilB． The lube oilC． The sea waterD．The fresh water √11._____ may be the first possible cause which makes the engine to lose power or slow downwhen it is running.A．Hot bearing √B． Starting valvesC． Unequal distribution of loadD． Excessive crankshaft clearance12._____ of an engine crankshaft can be detected by measuring deflections of crank websfor each unit of the engine.A．Misalignment √B． LengthC． StrengthD． Stresses13._____ of the A-frames there is a strong cast iron frame called the scavenging air box.A．At the top √B． At the bottomC． In the topD． In the bottom14._____ pistons have low inertia and high coefficient of thermal expansion.A． Cast ironB． Cast steelD．Aluminum √15._____ should not undertake any task which will interfere with the supervision dutiesrelating to the main machinery and associated equipment.A．The watch keeping personnel √B． The chief engineerC． The person on a bunker bargeD． Any of the above16._____ the cylinder will contain a great weight of air and will be capable of burninga great quantity of fuel.A．At the beginning of the compression stroke √B． At the beginning of the suction strokeC． At the end of the working strokeD． At the end of the exhaust stroke17._____ the supercharge pressure is, _____ power an engine develops.A．The higher/the more √B． Higher/moreC． Higher/littleD． The higher/the less18._____ is not properly set thus causing either advanced or retarded firing.A． A pistonB．A fuel injection pump √C． A feed water pumpD． A lube oil pump19._____ rods are not in proper condition so that too much fuel is supplied to thecorresponding cylinder.A． PistonB． SoundingC．Regulating √D． Connecting20._____ shows 1.2 meter and the specific gravity of the oil is 0.96According to the measuringscale, that makes 150 tons.A． The piston rodB． The push rodC．The sounding rod √D． The connecting rod21._____ allows for expansion and water make up in the water cooling system.A． A top tankB．A head tank √D． A drain tank22._____ at the end of the distribution pipe ensures that adequate pressure is maintainedby the pump.A． A relief valveB．An alarm √C． A pressure gaugeD． A non-maim valve23._____ is used for washing and drinking.A． The ballast systemB． The salt water systemC． The bilge systemD．The domestic system √24._____ provide the water to the pistons.A． Pneumatic pipesB． Hydraulic pipesC．Telescopic pipes √D． Operating gas pipes25._____ are fitted in the exhaust system and facilitate charge removal and scavenging ineach cylinder.A．Diffusers √B． CompressorsC． Steam boilersD． Soot blowers26._____ are formed by abrasive particles entering the bearing and scoring the shaft.A．Grooves √B． RecessesC． RidgesD． Nips27._____ are mounted on and bolted to the bed-plate cross girders.A． The crankshaftB． The crankcaseC． The guide-waysD．The frames √28._____ is a precaution which contributes to avoiding trouble under normal operatingconditions.A．Constant inspection √B． Keeping constant loadC． Remaining constant temperatureD． varying speed29._____ is a source of power by which the diesel engine may operate.A． Water energyB． Electrical energyC． Chemical energyD．Heat energy √30._____ is arranged for cleaning the lubricating oil in the system and clean oil can beprovided from a storage tank.A． A filterB．A centrifuge √C． A distillerD． A generator31._____ is fully floating in both connecting rod small end and the piston skirt.A． The piston rodB． The cross head pinC．The gudgeon pin √D． The crank-pin32._____ is made of a boss with separated blades mounted into it.A．A variable pitch propeller √B． A variable pitch nutC． A fixed pitch parallelD． A fixed pitch screw33._____ is usually driven by the engine camshaft andsupplies pilot air to the cylinderair start valve.A． An air receiverB． An operating valveC． An automatic valveD．An air distributor √34._____ neutralizes the acid conditions and_____ cleanses the rings and grooves.A． The detergency/the alkalinityB．The alkalinity/the detergency √C． The inhabitant/the waterD． The additives/the distilled water35._____ or air venting arrangement is fitted to the fuel supply passage.A． An air pumpB． A compressorC． A fuel pumpD．A priming √36._____ providing lubricating films, oil used in marine diesel engines have to remove heatfrom oil cooled piston.A． Except forB． BesideC． ExceptD． In additi on to √37._____ the engines, the diesel engine is_____ used engine on board.A． Between/more commonlyB．Among/the most commonly √C． Between/not more commonlyD． Among/not the most commonly38._____ water is more expensive than fresh waterIt has high specific heat and low viscosity.A．Distilled √B． DistillingC． BoilingD． Boiled39._____ for the camshaft gear train is taken from a spur gear which for a six cylinderengine is at the coupling end.A． The driven gearB．The drive √C． The greaseD． The lubricating oil40._____ in what position the engine stops there will always be at least one of the cylinderswith its starting air valve open to admit compressed air to start the engine.A． BecauseB． Owing toC． ForD．No matter √41._____ is secured by means of side-chock bolts and end-chock bolts.A．The bedplate √B． The columnC． The main bearingD． The double bottom42._____ usually helps to induce air movement to assist combustion.A． Cylinder coverB． Main bearingC． The exhaust valveD． The p iston movement √43._____ may have two emergency source of power, thus requiring two emergency switchboards.A．Large passenger vessels √B． General cargo shipsC． Container shipsD． Oil tankers44._____ supplies pilot air to control the cylinder air start valves.A． An air compressorB． An indicator cockC．An air distributor √D． A safety valve45._____ clearances in the main or crank pin bearings will sometimes be indicated by lossof pressure in the lubricating system before any bearing knock is heard.A． T oo largerB． Too smallerC． ExcessD．Excessive √46.A cast steel strong back is fitted in way of the combustion space to help absorb _____.A． flame temperatureB． fuel oilC． air movementD．gas forces √47.A charge of fresh air is drawn into the engine cylinder and then _____ by the movingpiston_____ very high pressure.A． pressed/toB． pressurized/withC． pushed/inD．compressed/to √48.A common trouble with the fuel pump plunger or fuel valve spindle is _____.A． water leakageB． steam leakageC．oil leakage √D． air leakage49.A common trouble with the fuel pump plungers or fuel valve spindle is _____.A． broken downB． stuckC．oil leakage √D． carbonized50.A diesel engine is similar to a gasoline engine except that the former has no _____.A． cross-headB． cylinderC． connecting rodD．spark plug √51.A diesel engines crankcase oil level is found to be too highYou should suspect that _____.A． the engine was over filledB． there might be a fuel leakC． there might be a water leakD． all of the above √52.A distance piece, known as a _____ may be interposed between the rod and the bearinghousing.A． bearing shellB． bearing linerC．compression plate √D． lead wire53.A distance piece, with ground faces, known as a compression plate, may be interposedbetween the rod and the beating housing, its thickness being chosen to ensure the correct _____.A． compression pressureB． compression testC．compression ratio √D． compression clearance54.A distance piece, with ground faces, may be interposed between the rod and the bearinghousing, its thickness being chosen to ensure the correct _____.A． expansion ratioB． pressure ratioC．compression ratio √D． clearance ratio55.A governor automatically controls engine speed by regulating _____.A． fuel s upply √B． firing orderC． engine loadD． oil level56.A gudgeon pin in a trunk piston may be free to float and rotate, with _____ to limitaxial movement.A． split pinsB． crankpinsC． dipsticksD．circlips √57.A heater in the circuit facilitates warning of the engine prior to ____ by circulatinghot water.A．starting √B． stoppingC． to startD． to stop58.A high temperature alarm or _____ which will melt is used to guard against the explosionof compressor air pipelines.A． a flame trapB． a relief valveC．a fusible plug √D． a bursting cap59.A hot air start pipe indicates that there is _____.A． inefficient coolingB．a leaking air start valve √C． a clogged drain valveD． a leaking air bottle60.A level gauge for a tank is to _____.A． give the pressureB．give the contents √C． give the shape of the tankD． give the accuracy level61.A lubricant often has to perform many duties in any situation, in addition to itsfundamental job of_____.A． resisting oxidizationB．reducing friction √C． promoting moving speedD． developing inertia62.A main bearing consists of two shells which are secured by means of studs and _____.A． tie rodsB． through boltsC． lead wiresD．bearing caps √63.A number of cylinder liners are enclosed in one cast iron casing to form a _____.A． cylinder coverB．cylinder block √C． cylinder frameD． bed-plate64.A reduction in load on a diesel engine results in _____ of speed of the crankshaft.A． a reductionB．an increase √C． an outingD． a downwards65.A separate piston cooling system is used _____ any contamination from piston coolingglands to the piston cooling system only.A． to helpB．to limit √C． to protectD． to remove66.A separate piston cooling system is used to limit any contamination _____ piston coolingglands_____ the piston cooling system only.A． between, toB． either, orC．from, to √D． neither, nor67.A single piece_____ fitted with bronze rings guides the piston in the cylinder liner.A．piston skirt √B． piston crownC． guide wayD． cross-head68.A variable pitch propeller is made _____ a boss with separate blades mounted into it.A． ofB．up of √C． fromD． out69.A: Please tell me the specifications and quantityB: _____.A． Pump diesel oil firstB．300 tons of 180 cst fuel oil √C． The figure is all rightD．OK, I’ll sign it70.About half an hour before the engine is required, cooling water at _____ must be circulated.A． more than the working temperatureB． less than the working temperatureC．the working temperature √D． the same as the surrounding temperature71.According to the way the energy of the exhaust gases is utilized, pressure-charging canbe divided into two main systems, namely, the constant-pressure system and _____.A． the pulse-phase systemB． the pulse Doppler systemC．the pulse system √D． the pulse interval72.Acid solution in the system can be tested from time to time by putting some on to a pieceof lime.A．strength √B． denseC． percentageD． velocity73.Additives _____ protective layers on metal surfaces guarding them against corrosion.A． damageB．form √C． dissolveD． contaminate74.Adjust _____ by means of lead wire.A．the clearance of the main bearing √B． the diameter of main bearingC． the gap of main beatingD． the tolerance of main bearing75.Administrations should bear in mind the significance of_____ in maintaining safety oflife and property at sea and in preventing marine pollution.A． advanced nautical equipmentB． advanced performance main enginesC． emergency equipmentD． communicati on and language skills √76.A-frames and cylinder block is held together by _____ to form a rigid structure.A． connecting rodsB． piston rodsC．tie rods √D． jack-bolts77.A-frames are mounted on the bed plate and support _____ and cylinder block.A． the main bearingB． the cylinder coverC．the entablature √D． the sump78.After "F.W.E." is given, the air system is shut down, the _____ gear put in, all drainsand indicator cocks opened, and the cooling water kept running.A． steeringB． timingC．turning √D． running79.After ensuring that the _____ is correct the bearing clearance should be checked.A． napB． gapC．nip √D． deflection80.After fitting back in place the gear wheels, dont forget _____ them.A．to grease √B． greasingC． oilingD． lubricating81.After passing through the turbine the exhaust gas is conducted out into the _____.A． intercoolerB． compressorC． cylinderD．open air √82.After the engine is warned, we should_____ the turning gear before starting up the engine.A． take inB． put inC．take out √D． put up83.After the order “_____” is given, the air system is shut down, the turning gear putin.A．Finished with Engine √B． Stop the EngineC． Stand-by EngineD． Slow-down Engine84.Air cocks, usually positioned at the _____ in a circulating system, is used to get ridof the air in the system.A． bending jointB． expansion tankC． weldD．the highest point √85.All the rings are slightly rounded on their external top and bottom edges to keep theoil film on the cylinder liner during _____ for new piston rings.A． the running-in period √B． the running processC． gas exchange processD． the boiler firing86.All three systems have the ports _____ to swirl the incoming air and direct it in theappropriate path.A． angledB． roundedC． being angledD．being rounded √87.Although the crankshafts of medium diesel engines appear to be robust, they rely on thesupport of _____ to develop their full strength.A． the piston rodsB． the crank throwsC． the thrust bearingsD． the main bear ings √88.Aluminum pistons have _____ coefficient of thermal expansion compared with those of castiron.A．higher √B． lowerC． the sameD． none of the above89.Among the rings of a piston the _____ one is subjected to the greatest load and temperature.A． bottomB． middleC．top √D． none of the above90.An aluminum piston has lower inertia and higher coefficient of _____ compared to thatof cast iron.A． viscosityB． twisting momentsC． inertiaD．thermal expansion √91.An electrically driven automatically operating auxiliary blower is provided for slowspeed and _____ of a low speed diesel engine.A．manoeuvring operations √B． bad combustionC． coolingD． mooring trial92.An increase in load on a diesel engine results in _____ of speed of the crankshaft.A．a reduction √B． an increaseC． an outingD． a downwards93.An interlock in the remote operating valve line stops the valve _____ when the engineturning gear is engaged.A． to openB．opening √C． openD． opened94.An overspeed safety device is usually fitted to a generator engine for _____ in the eventof overspeed.A．cutting power off the engine √B． increasing the fuel pump settingC． braking the crankshaftD． stabilizing the ship speed95.As a heat engine, _____ energy is the source of power by which the diesel engine canbe operated.A． electricB．heat √C． mechanicalD． exhaust96.As for a diesel engine, lack of combustion air may be due to _____.A．fouling turbine √B． fuel pump faultsC． lubrication failureD． excessive cooling97.As the plunger moves up, the ports are closed and the fuel _____ and delivered to theinjector nozzle at very high pressure.A． being compressedB． to be pumped upC．is pressurized √D． are built up98.At least _____ cylinders in four-stroke engine will be configured to ensure that theengine can be started with the crankshaft at whatever position.A．6 √B． 2C． 12D． 899.At the top of the A-frames there is a strong cast iron frame called _____.A． cylinder linerB． cylinder coverC． the gear boxD． the sc avenging box √100.Be sure to make the engine turn by _____ before starting and after stopping.A． steering gearB．turning gear √C． steering wheelD． turning cycle101.Bearing knocks are likely to occur from _____.A． less clearanceB． dirty lube oilC． overloadD．bearing wear √102.Because the castings of smaller engines are not so big and heavy, _____ and cylinder block may be made in one piece.A．the column √B． the jacketC． cylinder coverD． cylinder liner103.Bedplates are the _____ of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.A． hullB． projectionC． graphitizationD．foundation √104.Before "stand-by" is rung on the engine telegraph, it is usual to give the main engine _____ ahead and astern.A． a brief trial with turning gearB．a brief trial on power √C． a long trial by steering gearD． one minutes trial with windlass105.Before a marine diesel engine is started the cylinders and pistons must be _____.A． cooled to appropriate temperatureB．warmed up gradually to appropriate temperature √C． opened up and renewedD． ground and polished106.Before being used the fuel service tank should be drained of _____.A． soda solutionB． mechanical impuritiesC． ballastD．water and residuals √107.Before pumping up the crankcase oil, _____ should be worked by hand to minimize corrosive action on the liners.B． the starting valvesC．the cylinder lubricators √D． the turning gear108.Before replacing a piston you should check that all rings are _____.A．free √B． fastenedC． brokenD． stuck109.Before replacing a piston you should check the rings to see that all clearances and gaps are _____ the permissible tolerances.A． aboveB． atC． overD．within √110.Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible _____.A． deflectionB． discrepancyC． errorD．tolerance √111.Before starting the engine the air bottle should be _____.A．pumped up √B． loadedC． dischargedD． opened112.Before starting the turning gear, _____ should be worked by hand to minimize corrosive action on the liners.B． the starting valvesC．the cylinder lubricators √D． the turning gear113.Blow-off of the relief valves of the engines cylinders may be caused by _____.A． too low leadB． water in fuelC． too tight springD．leakage √114.Blow-off of the relief valves of the main cylinders during operation indicates _____.A． the cylinder cover is crackedB． the injector holes is cloggedC．the cams are not properly set √D． fuel pump is leaking115.Bridge gauge can be used to measure _____ of a diesel engine.A．diameters of journals √B． deflections of crankwebsC． diameters of crankpinsD． none of the above116.Care and cleanliness are required when installing diesel fuel filters _____.A． to prevent the fuel system from becoming air-houndB． to prevent the fuel system becoming clogged with dirty particlesC． both of the abo ve √D．to prevent the lubricating oil from leaking out of the filter element117.Cast iron carrier rings, _____ machined grooves, are provided for all the pistons.A．caulked into √B． caulking intoC． pressed intoD． screwed into118.Charging is the filling of the engine cylinder with a supply of _____ for compression.A． waterB．fresh air √C． fuel oilD． gas119.Charging is the filling of the engine cylinder with a supply or charge of fresh air _____ compression.A． to needB．ready for √C． want toD． going to be120.Charging-air pressure increases if there is incorrect combustion and drop in the _____ of the diesel engine.A． machine efficiencyB． machinery efficiencyC．mechanical efficiency √D． mechanics efficiency/doc/5c7732040.html,pressed air is supplied by air compression to _____.A．the air receivers √B． the starting valvesC． the cylinder coversD． the distributors/doc/5c7732040.html,pressed air is used on board ship _____.A． for starting diesel enginesB． in pneumatic control systemC． in pneumatic toolsD．All the above are true √123.Constant cooling the various components of diesel engine has a number of functions except for _____.A． good lubricationB． low thermal stressC． good mechanical propertiesD．acid corrosion √124.Cooling enables the engine metals _____ their mechanical properties.A．to retain √B． to remainC． to maintenanceD． to have125.Cooling of engine is achieved by circulation a cooling liquid around internal passages within the _____.A． boilerB． heaterC．engine √D． cooler126.Cooling of engines is achieved by _____ a cooling liquid around internal passages within the engine.A． flowedB． flowingC． mixingD．circulating √127.Cooling of engines is achieved by circulating a cooling liquid around internal _____ within the engine.A． air。
2024三管轮理论英语考试真题
2024三管轮理论英语考试真题2024 Three-Tube Wheel Theory English ExamInstructions:This exam is designed to test your understanding of the Three-Tube Wheel Theory, a scientific concept proposed by Dr. John Smith in 2020. Please carefully read the questions and provide detailed answers.Section 1: Multiple Choice (1 mark each)1. According to the Three-Tube Wheel Theory, what is the function of Tube 1?a) Regulating temperatureb) Controlling speedc) Providing stabilityd) Generating power2. Which of the following best describes the relationship between Tube 2 and Tube 3 in the Three-Tube Wheel Theory?a) Tube 2 is dependent on Tube 3b) Tube 3 is dependent on Tube 2c) Tube 2 and Tube 3 are interdependentd) Tube 2 and Tube 3 are unrelated3. In the Three-Tube Wheel Theory, what is the significance of the direction of rotation?a) Determines the efficiency of energy transferb) Indicates the level of frictionc) Controls the speed of the wheeld) Affects the stability of the systemSection 2: Short Answer (2 marks each)4. Explain how Tube 1 contributes to the overall functioning of the Three-Tube Wheel Theory.5. Describe a real-world application of the Three-Tube Wheel Theory and how it can benefit society.6. Discuss the potential limitations or challenges of implementing the Three-Tube Wheel Theory in practical systems.Section 3: Essay (10 marks)7. Dr. John Smith's Three-Tube Wheel Theory has been met with both praise and skepticism since its introduction in 2020. In your opinion, what are the key strengths and weaknesses of thistheory? How do you think it can impact future technologies and advancements in science?Good luck with your exam!。
甲类三管轮轮机工程基础真题44期
44期轮机工程基础_822750KW及以上船舶二/三管轮单选题(每题1分,共100题)1、作用在物体上的力是_____。
A、定位矢量B、滑动矢量C、旋转矢量D、双向矢量参考答案：A2、_____可以适用于变形体。
A、二力平衡原理B、加减平衡力系原理C、力的平行四边形法则D、力的可传递性原理参考答案：C3、一般情况下，柔性约束的约束反力可用_____来表示。
A、一沿柔性约束中心线方向的力B、一个力偶C、一沿柔性约束中心线方向的力和一个力偶D、一对相互垂直的力参考答案：A4、零件氮化处理后可以提高零件表面的_____。
A、硬度B、综合机械性能C、刚度D、高温强度参考答案：A5、_____是引起机械振动的内因之一。
A、安装精度不够B、负载分布不均C、润滑不够理想D、构件的刚度参考答案：D6、_____不属于机械振动的应用。
A、振动打桩机B、液力偶合器C、混凝土振捣器D、振动筛参考答案：B7、以下四项中，除_____外，另三项是按振动规律分类的机械振动。
A、自激振动B、随机振动C、简谐振动D、非简谐振动参考答案：A8、杆件在受到外力作用后，产生的塑性变形实际上就是_____。
A、超出弹性范围的变形B、外力去除后不能消失而残留下来的变形C、因外力去除而产生的变形D、使自身形状、尺寸发生改变的变形参考答案：B9、载荷是作用于构件和机件上的_____。
A、主动力B、被动力C、约束力D、反作用力参考答案：A10、关于应力的说法，_____是错误的。
A、应力分为三种，即正应力、剪应力和切应力B、同一截面上，正应力与剪应力一定相互垂直C、同一截面上的正应力不一定大小相等，方向相同D、同一截面上的剪应力不一定相互平行参考答案：C11、中间轴的法兰联接螺栓在工作中主要承受_____。
A、拉应力B、剪切应力C、压应力D、扭转应力参考答案：B12、关于内力的说法，_____是错误的。
A、同一横截面上，轴力的剪力必相互垂直B、同一横截面上，扭矩的力偶矢量和弯矩的力偶矢量必相互垂直C、同一横截面上，扭矩的力偶矢量和剪力必相互垂直D、同一横截面上，弯矩的力偶矢量和轴力必相互平行参考答案：D13、在一定的应力作用情况下，金属材料的刚度越大，则其变形量_____。
轮机英语 三管面试
《外派船员面试手册轮机分册》三管轮面试问题及参考答案1.can you tell me about your educational background and workingexperience?Well ,I have been working for several shipping and manning companies in china .but I think x company is my favorite . I was registered here two years ago and I have worked for this company for two times .i am very satisfied with this company .Or I have worked as a seaman for ten years .but I have worked hard on board about 6 years . for the four years I was not on board .i just had my vacation or received training and tests .2 . what are the main duties of the third engineer ?The third engineer is usually responsible for the following :1)watch keeping from 0800 to 1200 ,and from 2000 to 2400 every day .2)operation and maintenance of other auxiliary machinery except under thecharge of the second engineer .3)giving assistance to the first engineer in all technical matters .4)taking positive measures in the safe and efficient operation of allmachinery ,and guarding against fire and oil pollution .5)safety produres and maintenance of all safety equipment ,and enginecontrol system in a thoroughly efficient state .6)carrying out instructions relating to ballasting and deballasting andrecording the operation .7)testing the telegragh before depature and recording all engine movement inthe bell book for staying in the engine room when vessel is entering or leaving a port or when the engine is on standby or in maneuvering .8)emergency fire pump and lifeboat engine .3.what chemicals did you use to treat the boiler water ?when you testalkalinity and acidity of water in boiler by pH test paper ? the result shows the boiler water is in acidiity . please describe what the possible cause is .I have ever used the following brand chemicals :unitor , drew and so on .We should keep the boiler water*s ph scale between 10.5 and 11.5 .If the water become of acidity ( ph scale is below 10 ) ,it is may be caused by following reasons :The water has not been given enough blow down ,or has not been filled enough alkalinity chemicals ..4 .how do you maintain emergency battery ?I should check and fill in some distilled , or electrolyzed solution (电解液)if necessary ,erase the oxide and test the gravity of the specification periodically .the record shall be made after work is done .5.describe the procedure to start an emergency generator ?1) to check the lube oil level in the crankcance and fuel oil level in the tank .2) to see whether there is any leakage .3) to check the air pressure if the generator is air started model ; and to check the battery voltage to see whether it is normal if the generator is the battery started model4）also to make sure there are no obstacles around the machine .6 .which machineries and spare parts should the third engineer be incharge of ?On my last vessel ,I was in charge of the following machines and the spare parts thereof :boiler , emergency batteries ,fresh water generator ,air conditions ,.refrigeration units ,electric insulations ,main switch board ,electric parts of deck machineris (winch ,windlass ,hatch cover equipment ) and some other machines as designated by the chief engineer .7during bunkering in the last vessel ,what were you assigned to do ?or what was your position during bunkering on your last vessel ?Just to listen to the orders from the second engineer ,but usually ,I was assigned to sound the oil level .8.as the third engineer ,what precautions do you need take to preparefor PSC inspection ?The third engineer is responsible for the fire fighting equipment ,life saving applicances and oil pollution prevention equipment . in US , the PSC carry out strict check on this equipment .so in order to meet the inspection ,under the leadership of chief engineers and master ,I have to make a detailed checklist on these equipment to make sure that these equipment are in good order .7what do you know about “SOPEP”?what is VRP , and what is VCP ?for the first question ,please refer to the questions and reference answers for the first engineer .VRP is vessel Response plan ; and VCP is Non-tanker vessel contingency plan .VRP is required oil pollution emergency plan made according to the requirement of oil pollution act 1990 of US ,which is a law ruling the tanker vessels sailing in the waters under the management of the US .in compliance with the legislation of the california state of the US ,all the nontanker vessels should prepare vessel contingency plan .8what is IMO ?what is ISO 9000?what is ISM ?what is SMS system ?IMO is international maritime organization under the united nations .ISO9000 m\eans international standard organization ,an organization making the quality management standards and doing the quality audit service .ISM means international management code for the safe operation of ships and for pollution prevention .this is compulsory rule made by the IMO .The ISM code includes 16 chapters falling falling into two parts :implementation for part one ,and verification and certification for part one .the 16 chapters are : general ,safety and environment protection policy ,company responsibilities and authority ,designated persons ,master responsibility and authority ,resources and personnel ,development of plans for shipboard operation ,emergency preparedness , reports and analysis of non conformity ,accidents and hazardous occurrences , maintainence of the ship and equipment ,documentation ,company verification ,review and evaluation ,certification and verifications and control ,certification and periodical verification ,verification ,interim certification ,and forms of certificates .the last four chapters are newly added in the new version of ISM Code .SMS means safety management system ,and this system is mad based on the 16 elements of ISM Code ,which is a compulsory part SOLAS 74 .the shipowner or manager cannot get document of compliance (DOC) and SMC without audited safety management certificate (SMC) by class designated by the flag registry country adiministration .9.when the fuel is provided by the supplier ,what specifications of the oilcan you get from the supplier receipt ?The following information of the fuel shall be avalaible : density ,viscosity ,temperature as delivered ,water content ,sulfur content ,flash point and so on .10.what is the maximum blood alcohol concertration (BAC) rate on board ?According to the STCW 95 ,the BAC shall not be more than 0.08% by weight any time when being tested ,but the EFR(Code of Federal Regulation )requires the BAC to be no more than 0.04% .watch-keepers ,are not allowed to drink any alcoholic beverage 4 hours berfore their watch . 11tell us briefly about the working principles of the purifier ,the oil water seperator and air compressor .Purifier :the different gravity of two types of liquids: water and oil .the centrifugal force of the water move towards the outside of the disc while the oil ,which is smaller in gravity shall move toward the center of the disc .this makes the seperation of the two liquids .Oil water separator : (1) pump bilge water into first chamber :polymerization of the oil on the gathering plates ,(2) and then through a fine filter (15ppm) separation of water and oil ,(3)discharge of the water overboard via 15ppm monitor and the oil into oil sludge tank .Air compressor :take into the air from the outside atmosphere and compress it with the up going piston .then ,cool the compressed air .then compress the air once again until it reaches the stated pressure (depending on the air bottle allowed pressure )For the maintenance of the air compressor ,fistly ,must check to make sure that the suction valve and outlet valve to be sealed ;then make periodical lifting of the piston to make the pistons are in good condition .must check the crankcance lube oil everyday .14.why do you need to take the lube oil sample for analysis ? in theanalyzing , what can you possibly find ?and if you find these substances ,what are the possible problems the engines may have ?why ?At least ,every three months ..by analyzing the samples of the lube oil ,I can find such things as metal dust ,viscosity ,and other impurities ,this is preventive measures in engine maintenance ..for example ,if I find metal (aluminum ,copper etc )inside the lube oil ,maybe something wrong with the engine and part of the engine is broken .15.how to operate incinerator ? what kind of garbage can not be throwninto incinerator ?First ,check the oil level in the sludge oil tank ,open residue cock and discharge oily water ;heating the sludge oil in the tank up to 90 cent igrade ;start the incinerator .in the beginning ,combustion sludge oil with with diesel oil ,and after the water content in sludge oil is comparatively low ,stop supplying diesel oil and use sludge oil only .attention :the temperature in combustion cannot be higher than the stipulated figures of the incinerator (usually not more than 1200 degree in centigrade )The following garbage cannot be thrown into the incinerator :(1) any containers which have contained gases under pressure ,or aerosol cans into the incinerator .(2) the materials that may produce harmful gases or ashes .(3) the materials that may produce high temperature and prolonged incineration of such materials that may cause damage to the incinerator .16 .when you do the watch keeping in the engine room ,what should you be careful about ?I should take close watch on the fuel oil and lubricating oil condition to notice any possible problems arising from abnormal temperature ,,leakage ,or some other problems ; if hearing is seeing abnormal noises for machines ,I should make a quick judgement and report them to C/E or even master I myself cannot deal with it ,obey the rules of the company and the instruction from C/E and master and some warning from the deck department .l17 when do you have call the chief engineer to the engine room ?In emergency situations such as fire ,explosion and flooding etc ;Some other situations include :(1)if damage to or loss of function of the machinery occurs which maycause a hazard to the safe operation of the vessel(2)if a malfunction of certain equipment occurs that may cause damage orbreakdown of the propulsion machinery ,auxiliary machinery ,monitoring system or speed regulating system ;(3)in situation which the engineer officer of the watch is in doubt as towhich decision to make or which measure to adopt .18 what is your position (station ) in the muster lists ,for example ,during the fire fighting ,abandon vessel ,oil pollution prevention etc ?Abandon vessel :boarding the lifeboat to manage and control the engineFire fighting :manage and operate the emergency fire pmp .Oil pollution prevention ;collect the oil from the vessel or go down with the lifeboart to collect the oil from the sea .19.how is the oil sample taken during bunkering ?Open the cock of the special connector of the oil pipe .drain the fuel oil to the oil sample bottle all the bunkering time . seal the bottles and request the representive of the supplier to sign his name after bunkering .never accept any oil sample taken in advance or taken without the conformation by the 2nd engineer .20.as an engineer ,you must be familiar with SMS .can you please tellwhat is DP(s) and who was the DP of the company you served last time ?DP refers to the designated person in the SMS manual of a company .in my previous vessel company ,there was only one DP ,it was jack .21 .if it is cold ,you will find the air conditioner compressor stop automatically ,do you know the reasons ?When it is cold ,the suction pressure should be low ,if the suction pressure is lower than the setting pressure of the pressure controller ,the compressor will stop automatically .22.what is the use of a purifier ?explain the purpose of a gravity disc ? Purifier is used to separate oil from impurities such as sludge , ash ,various salts and water existing in the oil by means of gravitational rotation (centrifuging ).gravity disc is used for the purpose of establishing the correct oil water interface depending on the oil specific gravity .23.how can you create good vacuum on the fresh water (FW) distiller ? First of all ,to create good vacuum on the FW distiller .i must make sure that the internal chamber is sealed against possible entrance of the air during operation .secondly ,the air ejector and ejector pump should be in good condition .thirdly ,some revelant valves parking should be sealed against air leakage ,lastly ,the unit should be free from scales (水垢) 。
轮机三管轮考证英语44期试题加答案.docx
屮华人民共和国海事局2006年第3期海船船员适任证书全国统考试题（总第41期）科目：轮机英语试卷代号：805适用对象：无限、近洋航区3000KW及以上船舶二/三管轮（本试卷卷面总分100分，及格分为70分，考试时间为100分钟）答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑。
第1题至74题，每题1分，第75题至78题，每题1.5分，第79题至80题，每题10分。
一、单项选择题1.The diesel engine is similar to the gasoline engine in that ______ ・A.Both of them are ignited by compressed airB.Both of them are the forms of external combustion enginesC・ Both of them have spark plugsD. The power is developed by the piston in the cylinder2.The ratio of th brake horsepower to the indicated by the _____ .A.Thermal efficiencyB. Mechanical efficiencyC.Brake theimal efficiency D・ Volumetric efficiency3.The ignition quality, of diesel fuel oil is indicated by the ____ ・A.Specific gravityB. Cetane numberC. Viscosity D・ Calorific value4.How are the pressure and temperature affected in a diesel engine cylinder during compression?A.Pressure and temperature decreaseB.Pressure and temperature increaseC・ Pressure decreases and temperature increasesD.Pressure increases and temperature decreases5.An aluminium piston has lower inertia and higher coefficient of ____ compared to that of cast ironA.Viscosity B・ Twisting moments C・ Inertia D・ Thermal expansion6・ Each cylinder is closed at the top by a ___ ,made of a special heat-resistant steel.A.Cylinder linerB. Coupling flange C・ Cylinder cover D・ Piston7.The amount of fuel delivered by a helical plunger type fuel injection pump is controlledby ______ •A.Rotation of the pump plungerB. Rotation of the pump barrelC・ Varying the pump supply pressure D・ Varying the pump return pressure8.In a diesel engine lube oil system, which of the following parts should be lubricated first?A.Camshaft bearingB. Main bearing C・ Piston crowns D・ Cylinder9.Sacrificial zinc anodes are used on he saltwater side of diesel engine heat exchangers to ____ .A.Reduce electrolytic action on heat exchanger metalsB.Keep heat transfer surfaces shiny and cleanC.Prevent rapid accumulation of marine growthD.Provide a protective coating on heat exchanger surfaces10.In a turbocharger, inlet air velocity is in creased in the ____ .A.Inlet nozzle ring B・ Stationary diffuser passagesC・ Compressor outlet volute D. Rotating impeller vanes11 ・ Diesel engine cylinder air start valve timing is controlled by ___ ・A.Engine operating speed B・ An air manifoldC.A hydraulic distributorD. The air distributor12.If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will ______ ・A.Have a larger than normal dead bandB.Produce excessive speed response to a load changeC.Respond slowly to any change in engine loadD・ Stabilize engine speed at the new governor setting13.A pyrometer is an instrument commonly used to measure ____ ・A.Cylinder pressureB. Flame intensityC. Exhaust gas temperatureD. Crankshaft axial alignment14.pump up the starting air reservoirs to their maximum pressure and _____ the air reservoirs and airA.OpenB. closeC. DrainD. Vent15.In reducing engine speed to an efficient propeller speed by the use of reduction gears, ____ .A.Speed and torque are both reducedB.Speed is reduced and torque remains unchangedC.Speed is reduced and torque is increasedD・ Speed is sometimes unchanged while torque is increased16.Which of the following statements concerning fire-tube boilers is correct?bustion gases flow through the tubesB. Flames impinge（撞击）on the tubeC. Combustion occurs in the tubesD. Water flows through the tubes17.The safety valves should be tested and adjusted when the boiler survey is ____ ・A. CompletedB. Carried outC. CleanedD. SteamedWhen an auxiliary boiler is panting and emitting black smoke, you should______ ・A. Increase the fuel oil supply pressureB. Decrease the fuel oilC. Decrease the fuel oil supply pressure D・ Inciease the air supply19.If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause may be ______ .A.High steam pressure in the boilerB.Abnormally high feed-water temperatureC.Abnormally high boiler water temperatureD・ Steam demand exceeding feed pump capacity20.A vane pump belongs to _____ according to its working principle.A. Reciprocating pumpB. Positive displacement pumpC. Centrifugal pump D・ centripetal pump21.The packing installed in the pump stuffing box is lubricated by _____ ・A. Gravity and feed oil cupsB. Grease cupsC. Hand during installationD. Leakage through the stuffing box22.If the capacity of a centrifugal pump decreases gradually over a long period of time, youshould _____ •A. Packing glandB. Mechanical sealsC. Lantern rings D・ Wearing rings23.Which of the listed conditions can lead to cavitation in a centrifugal pump?A.Vapor pockets formed in the suction flow steamB.Rough casing volute surfaces.C.Worn wearing ringsD.Heavy fluid m the flow stream24.In a compression refrigeration plant, the hot, high pressure refrigerant gas is cooled by the sea water and becomes liquid in the ____ ・A. Compressor B・ Condenser C・ Throttle valve D. Evaproator25.The temperature at winch water vapor in the atmosphere begins to condense is called theA. Dew point temperatureB. Condensation temperatureC. Psychometric temperatureD. Absolute humidity temperature26.In an air conditioning system, moisture is removed from the air by ___ ・A. Filters B・ Separator C. Ducted traps D・ Dehumidifiers27.Sludge may form in the crankcase of an air conditioning compressor as a result of _____ ・A. Bubbling refrigerantB. Lowered operating temperaturesC. Overheating and oxidationD. Reducing the cloud or floe point2& Coalescence is the breakdown of surface tension between oil droplets in an oil/ water mixture. Which causes them to join and ___ in size.A. ExpandB. Extract C・ Increase D. Decrease29.when started, a complete oily water separating unit is first filled ____ .the oily water mixture is ____ then pumped through the inlet pipe into the coarse separating compartment.A. With dirty waterB. With clean waterC. By oily water D・ By mixed water30.Which is the pollution prevention equipment?A. Booster pump B・ Evaporator C・ Incinerator D. Cooler31.The __ is used to bum oil sludgeA. ClarifierB. Oily water separator C・ Incincrator D. Distiller32.In sewage treatment, the term maceration' refers to the process of _______ .A. Breaking up solid matter into fine particlesB・ Precipitating non-decomposed waste in a collection tankC.Chemically adjusting the sewage pH to 7.0D.Eliminating bacterium coil from the sewage33.Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?A. Carbon particlesB. Lube oilC. GasolineD. Diesel fuel34.If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, theA.Oil has a tendency to emulsify in the bowlB.purifier will act as a clarifier at the discharge ringC.Oil will be lost through the water discharge portsD・ Oil solids will be deposited only at the intermediate top disk35.The process of boiling seawater in order to separate it into freshwater vapor and brine is usually defined as _________ •A. Dehydration B・ Condensation C・ Evaporation D. Dissolution36.What type of valve is used to direct the flow of hydraulic is controlled by varying the position of the _____A. Relief valveB. Direction control valveC. Stop valve D・ Pressure control valve37.The delivery rate of a variable stroke axial piston hydraulic pump is controlled by varying the position of the ____ .A. Slide blockB. Tilting boxC. PintleD. Reaction ring3& The drive motor will have a brake arranged to fail-safe,i.e.it wild 〜the load if power fail or________ machine is stopped・A. LiftB. PutC. TakeD. Hold39.On tank vessels with an electrically-driven capstan, the motor should be meggered periodically to test _______ .A.Insulalion resistanceB. Eddy currentsB.C・ Capacitance D・ Armature reactance40.Overheating of a hydraulic system may be a result of _______ ・A.Changing pump discharge pressure in response to normal load variationsB.A high oil levelC.Incorrect fluid viscosityD.Continued slow re-circulation of the oil41.Purging air from a hydraulic system is necessary when ______ ・A.Adding small amounts of oil to the systemB.The system has been overheatedC.The system has been drained and then filled with new oilD.The system has been idle for a long period of time42.A direct current passing through a wire coiled around a soft iron core is the description of a simple ______ ■A. Magnetic shieldB. ElectromagnetC.Piezoelectric device D・ Electromagnetic domain43.The operation of ____ two alternators requires the voltages to be equal and also in phase.A. Paralleling B・ Series-mounting C. Running D. Controlling44.The power factor of an AC generator operating singularly is determined by the _________ ・A.Connected loadB. Prime mover speedB.C. Field excitation D. Generators rated voltage45.A generator is prevented from becoming motorized by the used of a/an ____ ・A.Over-speed tripB. Reverse power relayB.C・ Back pressure trip D. Governor controls46.After a ship enters service it is ____ for the main bus-bar to be made dead・A. UsuallyB. Commonly C・ Exceptional D. Unavoidably47.A transformer in an electric circuit serves to ____ ・A. Generate its own electrical powerB・ Transform electrical energy into mechanical engergyC・ Increase or decrease circuit voltage as requiredD.Convert AC or DC.4& The separate supplies are connected in either star or delta formation. The star formation is most commonly used and requires _________ slip-rings on the alternator.A. TwoB. ThreeC. FourD. Five49.Most conducting materials such as copper, aluminium, iron,nickel,and tungsten（名乌）□A. Increase in resistance with increased temperatureB・ Increase in resistance with decreased temperatureC・ Decrease in resistance with increased temperatureD.Contactors are made from silver and relays are made from copper.50.Which of the following statements represents the main difference between a relay and a contactor?A.Contactors control current and relays control voltageB.Relay is series connected and a contactor is parallel connectedC.Contactors can handle heavier loads than relaysD.Contactors are made from silver and relays are made from copper51.The energy consumed by an AC motor, as strictly reactive power.is______ ・A. Used to do mechanical workB. Used to establish the magnetic field of the motorC.Low operating temperatureD. The time period since the last cleaning52.The need for insulation cleaning may be determined by _______ ・A. Visual inspection for dirt accumulationB. High megger readingsC.Low operating temperatureD. The time period since the last cleaning53.Before starting the engine, the air bottle should be _______ •A. Pumped upB. LoadedC. DischargedD. Closed54.At the beginning of the watch the current operational parameters and the condition of all machinery should be verified and also the log readings should correspond with those ______ ・A. Noted by the bridge officer B. Told by last duty engineerC. Observed D・ In the instruction manual55.^movement of engine no longer required "means”____ nA.stop engineB. No engine revolutionsC. Stand-by engineD. Finished with engine56.Which of the listed conditions can be considered as the stogie geratest cause of accidents?A. Speed engineB. Excessive knowledge or skillC. Human errorD. Excitement57.A class ' C ' fire would occur in _______ .A. Bedding B・ Pipe insulation C. Paint D. A generator5& If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST ____ .A.Notify. The engineer on watchB.Isolate and secure the pipingC.Throw sand on the fireD.Extinguish the fire using a combination nozzle with applicator59.At the earliest indication of fire aboard your vessel, you must FIRST _____ ・A. Locate the fireB. Determine which type of fire is burningC. Sound the alarmD. Fight the fire60.If there has been a fire in a closed unventilated compartment it may be unsafe to enter because of _______ .A. Unburned carbon particlesC ・ Lack of oxygen61. If you observe any situationwhich presents a safety or pollution hazard during fuel transfer operations, which of the following actions should be taken FIRST?A. Close the calves at the transfer manifoldB ・ Notify the person in charge of the shore facilityC ・ Stop the transfer operationD. Sound the fire alarm62. Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible ________ .A. Deflection B ・ Discrepancy C ・ Error D. Tolerance63. ____ is an opening for supplying seawater to condensers,pumps,etc.located in the hull below the waterline and having means for the attachment of the associated piping.A. Sea chestB. ScupperC. ScuttleD. Sea port64. The additional mark ______ in the classification certificate for machinery means propulsion apparatus is remotely control station is unmanned periodically ・A. BRCB. MCCC. AUT-0D. AUT-165. The international oil pollution prevention certificate is valid for a period of ______ ・A. One year from the date of issueB. Five years from the date of issueC. Three years from th date of issue D ・ Four years from the date of issue66. Which one is the 'clear ground ，for a more detailed inspection?A. Paint peeling off the uptakeB. No operation procedures for the oil separatorC. One of ship's certificates requiredD. Damaged sanitary pump67. The port of ships control officer may witness a fire drill carried out by the crew assigned to these duties on the ________ .A. Navigation log bookB. Engine room log boot 〜C. Oil record bookD. Muster list6& The _____ convention is the first to establish basic requirements on training,certification and watch-keeping for seafarers on an international level.A. STCW78B. STCW95C. SOLAS74D. SOLAS8869. When the machine spaces are in the periodic unmanned condition, ______________ shall be immediately available and on call to attend the machine space ・A. The chief engineerB ・ The designated engineer from shipyardC. The designated duty officer in charge of the engineering watchD. The designated surveyor from classification society70. The officer in charge of the engineering watch hall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the_______ of operation when notified that the ship is in congested waters ・A. Manual modeB. Automatic mode C ・ Remote mode D. Follow-up mode B. Excess nitrogen D. Excess hydrogen71 ・ Small oil spills on deck can be prevented from contaminating any waters by _____ .A・ Plugging all scuppers and drains B. Placing floating booms around the shipC. Regularly emptying all drip pans D・ Thoroughly draining all bunkering hoses72.When off loading garbage to another ship ,your records must identify that ship by name andA. Home portB. Operator's name of recordC- Official number D. Masters name73.The main objective of the SOLAS convention is to specify __________ for the construction, equipment and operation of ships, compatible their safety・A. At most referencesB. At least referencesC. Maximum standardD. Minimum standards74.The objectives of the ISM code are to ensure _______ •①safety at sea ©prevention of human injury or loss of life ③avoidanee of damage to the marine environment and to propertyA.①B.①②C.②③D.①②③二、关联题(关联题题干下有四个小题，每个小题四个选项)The main starting valve(automatic valve) is operated by a pneumatic actuator, and similar actuator controls are fitted for slow turning and to the timing valves. The main starting valve can be locked shut and this must be done before the engine mining gear is engaged. When this valve is open, air passes through a non-return valve and flame arrester to the main manifold supplying pressure to the cylinder valves.one of which is fitted to each cylinder of the engine・The cylinder air start valves are normally held closed by a compression spring together with cylinder pressure acting over the calve lid.air from the manifold enters these valves where it forms a pressure balance between the underside of the valve lid and a balance piston of equal area on the vale spindle. Consequently this does not cause the valve to open.cylinder valves are opened when operating air, transmitted from the distributor, applies pressure to the larger operating piston on the valve spindle. As the valve is force open , starting air from the manifold enters the cylinder, applying pressure on the piston and causing the engine to rotate in the corresponding direction. To close the cylinder calves the connection from the distributor is opened to atmosphere, allowing the spring to close the valve and return the operating piston.75.The timing valves(in the first paragraph) refer to ____ .A. The valves for slow runningB. Fuel valvesC. The distributorD. Not mentioned76.After the main starting valve opens, air will not supply to ________ .A. The flame arrester B・ Each cylinder valveC.Anon- return valveD. A pneumatic actuator77.The balance piston used on a cylinder air start valve is to ________ ・A.In crease acting areaB.Keep pressure balance and help the valve close before operating air appliedC・ Increase the force and help the valve open after the operating air appliedD.Cause the valve to open7& After the engine being started, the air in the distributor will ____ .A. Be vented to open airB・ Be leaded to the corresponding cylinderC・ Be trapped until engine stopsD.Return to air reservoir三、中译英(共2题，请将答案写在答题纸上)79.1号重油分油机手动排渣后发生剧烈振动，经拆检清洗后装复，恢复正常分油工作。
三管轮机英语41-48期经整理
三管轮机英语41-48期经整理中华人民共和国海事局2006年第3期海船船员适任证书全国统考试题(总第41期) 科目：轮机英语试卷代号：805 适用对象：无限、近洋航区3000KW及以上船舶二/三管轮（本试卷卷面总分100分，及格分为70分，考试时间为100分钟）答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑。
第1题至74题，每题1分，第75题至78题，每题1.5分,第79题至80题, 每题10分。
一、单项选择题1.An exhaust gas bypass is installed on a waste heat boiler in order to ______.A. bypass exhaust gas at high loads to prevent excessive back pressureB. bypass a portion of the exhaust gas at peak loads for better efficiencyC. recycle exhaust gas to the turbochargerD. minimize moisture condensation in the boiler gas passages at low loads2.Flame failure in an automatically fired auxiliary boiler can mostly result from a/an ______.A. incorrect electrode settingB. incorrect nozzle positionC. clogged fuel nozzleD. broken high tension lead3.Which of the following modes of heat transfer does NOT require any physical contact between a warmer and a cooler substance?A. RadiationB. ConductionC. Natural convectionD.Contact directly4.In a chilled water air conditioning unit using a reciprocating compressor, therefrigerating effect of the primary refrigerant can be increased by ______.A. increasing refrigerant pressure in the coilB. increasing chilled water flow through the coolerC. sub-cooling the refrigerant in the condenserD. superheating the refrigerant in the compressor5.In a general cargo crane, ______is fitted to lift the cargo load.A. the slewing motorB. the luffing motorC. the hoisting motorD. the fan moter二. 关联题（关联题题干下有4个小题，每小题4个选项）With many small package boilers, the automatic control sequence usually ensures that the boiler fire is initially ignited from a diesel oil supply, and changed over to the usual source when ignition is completed. With good management, to facilitate subsequent starting from cold, the fuel system of large boilers will have been flushed through with diesel oil when the boiler was on light duty immediately prior to being secured. When burning such diesel fuel it is essential for safety that only the correct (small) burner tip should be used. It should be kept in mind that if fire does not light, immediately shut off fuel and vent furnace.Complete ignition of fuel in the furnace is essential. The burner flame, the smoke indicator and the funnel should befrequently observed. With satisfactory combustion, the flame should appear in candescent （白热的）with an orange shade at the flame tip, and a faint brownish haze should show at the funnel. If on first ignition the flame is uncertain, badly shaped and separates from the primary swirler, momentary opening or closing of air register may correct.75. Small package boilers will use ____C___ while being lit up.A. the usual source of oilB. fuel oilC. diesel oilD. mixture of fuel oil and diesel oil76. After large boilers being secured, the fuel in the feeding line will be__C__.A. the usual source of oilB. fuel oilC. diesel oilD. mixture of fuel oil and diesel oil77. If large boilers were not lit up, __B___.A. feed water to normal levelB. stop fuel supply immediately and purge the furnaceC. light the boiler againD. reset the burner78. An indication for a good combustion is ___C___.A. white smokeB. brown haze in the funnelC. orange flame tipD. swirl oil spray中华人民共和国海事局2007年第1期海船船员适任证书全国统考试题(总第42期)科目：轮机英语试卷代号：805适用对象：无限、近洋航区3000KW及以上船舶二/三管轮（本试卷卷面总分100分，及格分为70分，考试时间为100分钟）答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑。
中华人民共和国海事局第43期航海英语真题(附答案)
中华人民共和国海事局(总第43期) 科目: 航海英语试卷代号: 903适用对象:沿海航区船舶二/三副(本试卷卷面总分100分，及格分为70 分，考试时间100 分钟)答题说明:请选择一个最合适的答案，并将该答案按答题卡的要求，在相应位置上用2B 铅笔涂黑。
第1 题至80题，每题1 分，第81题至82 题，每题10 分。
一、单项选择题1. From ______ the mariner can know the data of tide.A. the Sea PilotB. the Cargo PlanC. the Tide TableD. the Port List2. For details of lights the larger scale charts and Admiralty Lists should be _____.A. consideredB. consultedC. concludedD. commanded3. Red sectors of navigation lights warn mariners of________ .A. floating debris ( 残骸)B. heavily trafficked areasC. recently sunken vesselsD. shoals or nearby land4. All straight lines represent great circle tracks on a chart based on a(n) ______.A. Mercator projectionB. polyconic projectionC. orthographic projectionD. gnomonic projection5. Chart correction information is NOT disseminated(发布]) through the ______.A. Summary of CorrectionsB. Local Notice to MannersC. Daily MemorandumD. Chart Correction Card6. The arrangement of charts in the catalogue is ________.A. on a regional basisB. on a national basisC. shown orderlyD. appeared from A to W7. The heights and soundings of Admiralty chart are expressed _____ in Fathoms _____in Meters.A. either, orB. neither, norC. another, norD. other, or8. What is your ______ tropical storm warning information'?A. latestB. latelyC. last /D. nowadays9. Admiralty Notices to Mariners are published _____.A. every dayB. every weekC. every monthD. every year10. When there is not a chief officer on board, _____ should keep and write up the ship's logbook.A. the assistant officerB. the captainC. the officer on dutyD. the third officer11. What is NOT accepted as the required slipping papers on a manned and loaded tank barge?A. Bill of loadingB. ManifestC. Shipping documentD. Logbook entry12. In writing up the log book at the end of your watch, you make an error, which of the followingis the way to correct the error?A. Carefully and neatly erase the entry and rewrite it correctlyB. Remove this page of the log book and rewrite all entries on a clean pageC. Blot out the error completely and rewrite the entry correctlyD. Cross out the error with a single line and rewrite the entry correctly13. The injured stevedore paid _____ attention to the loading instructions.A. smallB. littleC. fewD. a few14. The officer shall be ______ the marine environment when taking collision-avoiding action.A. aware ofB. clear ofC. in charge of D, interested with15. If the PSCO has ______for believing that the ship, its equipment or its crew, do not substantially meet the requirements, the PSCO should proceed to a more detailed inspection.A. clean reportB. serious deficienciesC. clear groundD. detention report16. The Master to prosecute all voyages with the utmost_______ and to render customary assistance with the Vessel's Crew.A. fastnessB. speedingC. swiftnessD. despatch17. Instructions on how to conduct search and rescue are given in the ______.A.MARJPOLB.IRPCSC. SOLASD.MERSAR18. The "urgent" priority should be used for messages ______ .A. concerning the Safety of Life at Sea (SOLAS)B. detailing important navigational warningsC. containing information concerning the safety of a mobile unit or personD. concerning on-scene communications19. The oil residues which cannot be discharged into the sea in compliance with MARPOL 73/78 shall be______.A. discharged to into special areaB. discharged into national watersC. discharged into the designated zoneD. retained on board or discharged to reception facilities20. Your vessel is port side to a pier with a spring line led aft from the bow. In calm weather, putting the engines ahead with the rudder hard left should bring ______ -A. the bow in and the stern outB. both the bow and stern inC. the bow out and the stem inD. both the bow and stern out21. You are underway in fog and you hear one prolonged blast followed by two short blasts. Thisis a vessel ____ .A. lowingB. engaged on pilot age dutyC. aground in a fairwayD. stopped and making no way through the water22. If two mooring lines are to be placed on the same bollard, which method is BEST?A. Place the eye from the forward line on the bollard and then place the eye from the secondline directly over the FirstB. It makes no difference how the lines are placedC. Place the eye from either line on the bollard, and then bring the eye of the other line up through the eye of the first, and place it on the bollard.D. Place both eyes on the bollard, in any manner, but lead both lines to the same winch headon the vessel and secure them on the winch23. You have anchored in a mud and clay bottom. The anchor appears to be dragging in a storm. What action should you take?A. Shorten the scope of the cableB. Veer cable to the anchorC. Drop the other anchor underfootD. Drop the second anchor, veer to a good scope, then weigh the first anchor24. A tug would NOT assist a ship to steer if the tug is made up to the large vessel ______.A. by a tow line ahead of the vesselB. forward on either bow of the vesselC. approximately amidships of the vesselD. on the vessel's quarter25. Mariners proceeding across the main routes are _____ to do so at as wide an angle as practicable.A. recommendedB. reportedC. appliedD. complied26. The term of Landfall means ______ -A. Land first sighted when vessel approaching from seawardB. Land last sighted when vessel leaving from a portC. in sight of one another when vessel underwayD, in sight of an island during a ship on her voyage27. You see another vessel approaching, and its compass bearing does not significantly change. This would indicate that_____.A. you are the stand-on vesselB. risk of collision existsC. a special circumstances situation existsD. the oilier vessel is dead in the water28. You are overtaking a vessel at night and you see a yellow light showing above the stem-light of the overtaken vessel. The overtaken vessel is _____A. underway and dredgingB. pushing ahead or lowing alongsideC. lowing asternD. a pilot vessel29. You are in charge of a stand-on vessel in a crossing situation. The other vessel is 1.5 miles to port. You believe that risk of collision exists. You should ______ .A. take avoiding action immediately upon determining that risk of collision existsB. immediately sound the danger signalC. take avoiding action only after providing the give-way vessel time to take action, anddetermining that her action is not appropriateD. hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision30. The International Regulations for Preventing Collisions at Sea ______ while carrying out search and rescue operation.A. apply fullyB. apply halfC. apply in partD. not apply31. A large navigational buoy (LNB) is painted ______.A. redB. yellowC. with red and white vertical stripesD. with a distinct color and pattern unique to each buoy32. A single line of position combined with a dead-reckoning position results in a(n) ______,A. running fixB. fixC. estimated positionD. assumed position33. When latitude and longitude are used, these shall be expressed in _____(and decimals of a minute if necessary), north or south of the Equator and east or west of Greenwich.A. fathoms and metersB. miles and kilometersC. arc and degreesD. degrees and minutes34. The navigational term SET OF CURRENT means _____.A. velocity of current in knotsB. direction from which the current flowsC. estimated currentD. direction toward which the current flows35. Currents are ______ in rate and direction.A. varyB. variableC. variablyD. variability36. In mid-ocean, the characteristics of a wave are determined by three factors. What is NOT one of these factors?A. Effect of the moon's gravityB. FetchC. Wind velocityD. Length of time a wind has been blowing37. When the vessel arrives, the cargo of machinery to be unloaded is _____.A. transported to the ship's sideB. transported into the shedC. lashed and securedD. delivered to the consignor38. The agent promised to keep me ______ of how our business was going on.A. to be informedB. informedC. on informingD. informing39. A microbarograph is a precision instrument that provides a ______.A. charted record of atmospheric temperature over timeB. charted record of atmospheric pressure over timeC. graphic record of combustible gases measured in an atmosphereD. graphic record of vapor pressure from a flammable/combustible liquid40. Sometimes a tropical storm moves so slowly that a vessel, if astern of it, can ____ it.A. crossB. approachC. proceed nearD. run into41. You will cross the cold front of a low pressure system in about 24 hours. You should __ __ .A. expect to see cirrus clouds (卷云) followed by altostratus(高层云)B. alter course to remain in the navigable semicircleC. prepare for gusty winds, thunderstorms, and a sudden wind shiftD. expect clear weather, with steady winds and pressure, until the front passes42. Ship's steering gear refers to____.A. cargo handling machinesB. deck winches and derricksC. engine-room toolsD. course controlling system43. A design modification of an anchor chain which prevents kinking is the _____.A. detachable linkB. stud linkC. Kenter linkD. connecting link44. The portable radio apparatus means ______ .A. the radio apparatus fitted on the portsideB. the radio with a portable equipmentC. the radio equipment which is easily movableD. the portable radio with some apparatus45. An immersion suit must be equipped with a(n) _____ .A. air bottle for breathingB. orange smoke canisterC. whistle, light and retro reflective(反射) materialD. sea dye marker46. Your radar is set on a true motion display. Which of the following will NOT appear to moveacross the PPI scope?A. Echoes from a buoyB. Own ship's markerC. Echo from a ship on the same course at the same speedD. Echo from a ship on a reciprocal course at the same speed47. SWEEP INT on radar panel is the abbreviation (缩写) of______.A. sweep introductionB. sweep interestC. sweep intentionD. sweep intensity48. There is a possibility that small vessel, ice and other floating objects may not be ______ byradar at an adequate range.A. reflectB. shownC. detectedD. defected49. Magnetic compass deviation ______.A. varies depending upon the bearing usedB. is the angular difference between magnetic north and compass northC. is published on the compass rose on most nautical chartsD. is the angular difference between geographic and magnetic meridians50. It is dangerous for vessels without the use of radar _____ the estuary （河口) .A. to getB. to approachC. to proceedD. to close51. Which one of the followings does not limit the effective range of radar?A. pulse widthB. pulse repetition frequencyC. peak powerD. target brightness52. PUBLIC ADDRESS SYSTEM: LOUDSPEAKERS IN THE VESSEL'S CABINS, MESSROOMS, ETC., AND ON DECK VIA WHICH IMPORTANT INFORMATION CAN BEBROADCAST FROM A CENTRAL POINT, MOSTLY FROM THE NA VIGA TIONBRIDGE defines ______.A. PP-systemB. PA-systemC. AP-system D, AA-system53. All VHF marine band radios operate in the simplex mode, which means that ____ _.A. only one person may talk at a timeB. only two persons may talk at the same timeC. the radio only transmitsD. the radio only receives54. When it is advisable to remain on VHF channel 14 you should say _____A. stand by on VHF channel 14B. come to VHF channel 14C. VHF channel 14 is the best place for you to stay byD. remain in channel 14 and do not change55. A mark or place at which a vessel comes under obligatory entry, transit, or escort procedure isknow as ______.A. Way pointB. Receiving pointC. Reporting pointD. Closest Point56. Our derrick boom of hatch No. 4 is badly cracked ______ that it has become useless.A, at its goose neck to such a extent B. at it's goose neck to such an extentC. at it's goose neck for such a extentD. at its goose neck to such an extent57. You can safely step in the bight of a line ______.A. when it is not under strainB. if both ends are made fastC. in an emergency D, at no time58. Placing a lashing across a hook to prevent a fitting from slipping out of the hook is called __A. fakingB. flemishing downC. mousingD. worming59. On an anchor windlass, the wheel over which the anchor chain passes is called a ______.A. brake compressor wheelB. devil's clawC. wildcatD. winchhead60．A stay is ______.A. standing riggingB. a downhaulC. a halyardD. a jib61. A pattern according to which vessels and/or aircraft may conduct a co-ordinated search is a ______.A. Research patternB. Research modeC. Search patternD. Search and rescue mode62. Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by ________A. authorized fire equipment servicing personnel onlyB. replacing the propellent cartridge and refilling with powderC. puncturing the cartridge seal after installationD. recharging the cartridge and refilling it with powder63. Which of the following statements is INCORRECT regarding a fire and boat drill on boardyour cargo vessel?A. At least one fire and boat drill shall be held within 24 hours of leaving a port where morethan 25 percent of the crew has been replacedB. The Master is responsible in seeing that each lifeboat is lowered to the water at least oncein each 6 monthsC. Lifeboat equipment shall be examined at least once each month to insure that it iscompleteD. An entry shall be made in the vessel's Official Logbook relative to each fire and boat drill64. I'm on fire and have dangerous cargo on board. The most emergent assistance in this casewould be_____.A. life boatB. helicopterC. fire-fightingD. medicine65. An on-load release system on a survival craft means the cable can be released _____.A. only when the load is taken off the cableB. only when there is a load on the cableC. only when activated by the controls at the lowering stationD. at any time66. When lowering lifeboats in heavy seas. a good practice is to rig trapping lines _____ .A. on only the forward fallsB. on only the after fallsC. with a lead of about 45 degrees to the boatD. from the falls to the main deck of the vessel67. Vessels carrying ______ must not willfully wash decks or holds.A. general cargoB. steel productsC. harmful cargoD. machinery68. In reviving a person who has been overcome by gas fumes, what would you A VOID doing?A. Giving stimulantsB. Prompt removal of the patient from the suffocating atmosphereC. Applying artificial respiration and massageD. Keeping the patient warm and comfortable二、关联题Charts should be used with prudence: there are areas where the source data are old, incomplete or of poor quality. The mariner should use the largest scale appropriate for his particular purpose-, apart from being the most detailed, the larger scales are usually corrected first. When extensive new information (such as a new hydrographic survey) is received, some months must elapse before it can be fully incorporated in published charts. On small scale charts of ocean areas where hydrographic information is, in many cases, still sparse, charted shoals may be in error as regards position, least depth and extent. Undiscovered dangers may exist, particularly away from well-established routes.69．_____are the most detailed.A．the larger scale charts B．the smaller scale chartsC．the charts covering the area where the source data are old, incomplete or of poor quality D．the charts which are corrected to date70. In the area _____the charted shoals are unlikely to be in error.A. where hydrographic information is still sparseB. where the source data are old, incomplete or of poor qualityC. away from well-established routesD. where new hydrographic survey information has just been incorporated in the charts71. If the information provided by a chart covering an area where a new hydrographic survey hasjust been carried out has still some error as regards position, least depth and extent of shoals, the most probable reason is that ______.A. the survey did not discover the shoals thereB. the survey was incomplete or of poor qualityC. the survey was made away from well-established routesD. the survey information has not yet been fully incorporated in the chart72. This passage is most likely extracted from ______ of NM.A. Section I - Explanatory NotesB. Section II - Updates to Standard Navigational ChartsC. Section III - Reprints of Radio Navigational WarningsD. Section IV - Amendments to Admiralty Sailing Directions第二组：Nowadays, most merchant ships are built to carry cargoes. And they mainly operate as tramps. These vessels do not sail on regular routes or keep to a fixed timetable, but are employed where there is cargo for them to carry. Tramps can be classed as deep-sea tramps or short-sea tramps. A number are classed as coasters. These ply on coastal routes and up nvers to inland ports. The traditional tramp cargoes are dry bulk cargoes, but some are designed to carry general cargoes. A large number of merchant ships operate as specialized vessels. These are designed to carry a particular type of cargo. There are several types of specialized vessel. The most common are oil tankers. They are owned by the major oil companies or by independent operators. Two other types of liquid bulk carrier of growing importance are chemical, carriers and liquefied natural gas (LNG) carriers.73. The deep-sea tramps ______. .A. carry dry bulk and general cargo across the high seasB. are built to carry passengersC. are mainly coastersD. are specialized vessel74. The coasters ______.A. always sail across the high seasB. commonly carry oil cargoC. are mainly tankersD. sail on coastal routes and up rivers to inland ports75. The importance of LNG carriers_______ ,A. is growingB. is not mentioned in passageC. is decreasingD. will be discussed further if necessary76. It is implied in the passage that ______.A. the number of specialized vessel is smallB. all oil tankers will carry some chemical in near futureC. the tramps and specialized vessels are the basic type of merchant ships.D. container carriers should not be classed as tramps三、中译汉（共五题，请将答案写在答题纸上）77.值班驾驶员应亲自操作或监督舵工进行转换操作。
轮机三管轮考证英语43期试题加答案
中华人民共和国海事局2007年第2期海船船员适任证书全国统考试题(总第43期)科目：轮机英语试卷代号：805适用对象：无限、近洋航区3000KW及以上船舶二/三管轮（本试卷卷面总分100分，及格分为70分，考试时间为100分钟）答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑。
第1题至74题，每题1分，第75题至78题，每题1.5分,第79题至80题, 每题10分。
一、单项选择题1.______ the engines, the diesel engine is ______ used engine on board.A. Between/more commonlyB. Among/the most commonlyC. Between/not more commonlyD. Among/ not the most commonly2.The average pressure exerted on a piston during each power stroke is termed ______.A. indicated horsepowerB. mean effective pressureC. exhaust back pressureD. compression pressure3.The cetane number rates fuels for diesel engines according to its ______.A. antiknock characteristicsB. ignition qualitiesC. rates of vaporizationD. viscosity4.The time between injection and ignition of the fuel is known as ______.A. turbulence lagB. after burning ratioC. pre-ignition lagD. ignition delay5.______ controls the fuel oil temperature in order to provide oil at the correct viscosity forcombustion.A. The viscosity regulatorB. The temperature controllerC. The flow meterD. The pressure switch6.Constant cooling the various components of diesel engine has a number of functions except for______.A. good lubricationB. low thermal stressC. good mechanical propertiesD. acid corrosion7. A device which functions to bring a diesel engine to a full stop to protect it from damage isknown as a/an ______.A. torque limiterB. over-speed tripC. over-speed governorD. load limit governor8.Engine speeds at which resonance can occur are termed ______.A. maximum speedsB. full speedsC. sea speedsD. critical speeds9.Prolonged operation of a diesel engine with a closed cooling water system at lower than normaldesigned operating temperatures can ______.A. increase power outputB. decrease lube oil viscosityC. eliminate fuel knockD. cause sulfuric acid formation10.______ on a ship transmits power from the engine to the propeller.A. The automatic control systemB. The speed regularly systemC. The transmission systemD. The compression air system 11.In a _____ boiler the hot gases from the furnace pass through the tubes while the water is on theoutside.A. water-tubeB. fire-tubeC. exhaust gasD. composite12.The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if theboiler ______.A.salinity is abnormallyB.high steam demand is too highC.feed-water flow is lowD.water level is abnormally low13.The water in a steaming auxiliary boiler should be tested daily for ______.A. dissolved oxygenB. chloridesC. sludgeD. dissolved nitrogen14.Ignition failure in an automatically controlled auxiliary boiler could be caused by ______.A. carbon deposits on the flame scannerB. high fuel oil temperatureC. low fuel oil viscosityD. high steam pressure15.The concentration of total dissolved solids in the water of an auxiliary boiler can increase as aresult of ______.A. seawater contaminationB. frequent surface blowsC. dissolved oxygen de-aerationD. frequent bottom blows16.Some pumps use packing as sealing gland. The gland should be ______.A. slack enough to allow slight leakage of fluidB. slightly chockedC. brought up tight so as not to allow any leakageD. fitted with a relief valve17. A spur gear pump should be operated with the discharge valves ______.A. slightly openedB. throttledC. fully openedD. halfway openedpared to globe and angle valves, gate valves ______.A. are more suitable for throttlingB. operate with little or no pressure drop when fully openedC. are more easily repairedD. cannot be used for service requiring infrequent operation19.An increase in rotor clearances in a rotary pump will ______.A. increase discharge pressureB. decrease pump capacityC. decrease pump cavitationD. decrease reaction ring clearance20.The usual symptoms of cavitation in a centrifugal pump is ______.A. noise and vibrationB. an increase in discharge pressureC. an increase in suction pressureD. lifting of the relief valve21.Refrigerant entering the compressor of a refrigeration system should be in which of the followingconditions?A. Sub-cooled liquidB. Sub-cooled vaporC. Superheated vaporD. Liquid22.______is the circulation and refreshing of the air in a space without necessarily a change oftemperature.A. RefrigerationB. Air conditioningC. VentilationD.Heating23.In an air conditioning system, moisture is removed from the air by ______.A. filtersB. separatorsC. ducted trapsD.dehumidifiers24.Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressoras a result of ______.A. refrigerant bubbles in the lube oilB. refrigerant reducing the lube oil viscosityC. oxidation of the lube oil from overheatingD. reducing the floc or cloud point of the oil25. A high rate of separation between oil and water is favored by ______.A. large size of oil globuleB. low temperatureC. high viscosityD. high flow rate26.When started, a complete oily water separating unit is first filled ______. The oily water mixtureis then pumped through the inlet pipe into the coarse separating compartment.A. with dirty waterB. with clean waterC. by oily waterD. by mixed water27.Which is the pollution prevention equipment?A. booster pumpB. evaporatorC. incineratorD. cooler28.The ____is used to burn oil sludge.A. clarifierB. oily water separatorC. incineratorD. distiller29.Oil water separators are used to ensure that ships don't discharge oil when pumping out _____.A. ballast waterB. boiler waterC. bilge waterD. sewagewater30.When a clarifier is running the impurities and water collect at the bowl ______.A. centerB. peripheryC. inletD. upper parts31.The separation of impurities and water from ______ is essential for good combustion of dieselengines.A. lube oilB. fuel oilC. turbine oilD. grease32.Brine density in a distilling plant is measured with a/an ______.A. psychrometerB. salinometerC. anemometerD.sphygmomanometer33.The designed ______ is 20 tons per day, but the fresh water generator can only distil 15 tons atpresent.A. displacementB. weightC. powerD. capacity34.______ play a very important part in hydraulic systems by preventing interaction betweendifferent parts of the hydraulic circuit.A. MotorsB. Check valvesC. Safety valvesD.Reducing valves35.In a radial piston pump, reversal and control of fluid flow are accomplished by moving the______.A. central valveB. radial plungerC. floating ringD. cylinderbody36.In a ordinary cargo crane, ______is fitted to rotate the crane.A. the slewing motorB. the luffing motorC. the hoisting motorD. the fan motor37.Which problems can occur if the brake band lining of a wildcat brake becomes excessively worn?A. The driving engine will over-speed.B. The anchor will immediately drop.C. The clutch will overheat.D. The brake's effectiveness will be reduced.38.______ are used for hauling in or letting out the wires which fasten the ship to the shore.A. Cargo winchesB. Mooring winchesC. WindlassesD. Cargo hatches39.Which of the following can be used in hydraulic transmission system?A. Hydraulic oilB. Animal oilC. Light oilD. Fuel oil40.One factor that determines the frequency of an alternator is the ______.A. number of turns of wire in the armature coilB. number of magnetic polesC. strength of the magnets usedD. output voltage41. A DC generator is used to supply direct current in order to maintain an AC generator field and isknown as a/an ______.A. rotorB. statorC. exciterD. armature42.When paralleling two AC generators, the frequency of the machine coming on-line, immediatelyprior to closing its breaker, should be ______.A. slightly less than the oncoming generator frequencyB. the same as the bus frequencyC. slightly greater than the bus frequencyD. the same as the bus voltage43.When securing an AC generator, you should FIRST ______.A. open the generator circuit breakerB. switch the voltage regulator to 'manual'C. decrease the field excitation to minimumD. reduce the load on the unit44. A generator is prevented from becoming motorized by the use of a/an ______.A. over-speed tripB. reverse power relayC. back pressure tripD. governor controls45.The part of the shipboard electrical system used to control the distribution of power to the branchcircuits is the ______.A. bridge control panelB. disconnect linksC. governor relay boxD. main switchboard46.Which of the listed sections of an emergency switchboard is used to supply power for alarmsignals under emergency conditions?A. The generator and bus transfer sectionB. The 450 volt, 60 cycle, 3 phase busC. The 120 volt, 3 phase, 60 cycle busD. The 24 volt DC bus47.The separate supplies are connected in either star or delta formation. The star formation is mostcommonly used and requires ______ slip-rings on the alternator.A. twoB. threeC. fourD. five48. A fuse that blows often should be replaced only with a fuse of ______.A. the recommended current and voltage ratingB. higher current and voltage ratingC. higher current and lower voltage ratingD. lower current and higher voltage rating49.The overcurrent relay______ the motor contactor when the motor exceeds its rated current .A. connectsB. tripsC. foulsD. destructs50.Electric circuits are protected against overloads and short circuits by means of a/an ______.A. circuit breakerB. amplifierC. diodeD. capacitor51.Prior to starting an AC generator prime mover, the voltage regulator cutout switch should beplaced in the _________.A. manual positionB. bus neutral positionC. raise voltage positionD. transfer position52.Before M/E putting on the starting air, the reversing and control gear should be _____.A. operatedB. stoppedC. checkedD. removed53.______ is a precaution which contributes to avoiding trouble under normal operating conditions.A. Constant inspectionB. Keeping constant loadC. Remaining constant temperatureD. Varying speed54.After “F.W.E.” is given, the air system is shut down, the _____ gear put in, all drains andindicator cocks opened, and the cooling water kept running.A. steeringB. timingC. turningD. running55.Which of the following must be eliminated to prevent accidents?A. Unsafe actionsB. OrderlinessC. Frequent inspectionsD. Good work habit/practices56. A class ‘C’fire would most likely occur in the ______.A. engine room bilgesB. main switchboardC. paint lockerD. rag bin57.The most likely place for a fire to start through the process of spontaneous combustion is in_____.A. an electrical switchboardB. the pressure tanksC. the fuel oil tanksD. the oily rag bin58.While on watch in the engine room, you hear a continuous sounding of the general alarm. Whichof the following actions should you take FIRST?A. Secure the burners then proceed to your assigned boat station.B. Start the fire pump and establish flow to the fire main.C. Open the guardian valve and standby to maneuver.D. Open the master control valves on the fixed CO2 system.59. A fireman's outfit carried onboard cargo vessels, must have a ______.A. canister-type gas maskB. fresh-air breathing apparatusC. self-contained breathing apparatusD. combustible gas indicator60.The safe rate of bunkering heavy fuel oil is directly related to the ______.A. type of fuel transfer pump aboardB. temperature of the fuel oil being receivedC. size of the fuel storage tanks ashoreD. distance from the fuel oil storage tanks ashore61.To anneal a copper gasket, you should heat the gasket ______.A. and quench it in oilB. cherry red and quench in waterC. and let it cool slowly in the airD. and carbonize it62.Preventive maintenance _____.A. should not be carried out during the watches.B. can only be carried out in port.C. is a kind of maintenances carried out prior to the occurrenceD. is a kind of maintenances carried out after the occurrence63.The additional mark _____ in the Classification Certificate for Machinery represents thatpersonnel are watching at engine assembly control station and monitoring all machinery and electronic devices.A. BRCB. MCCC. AUT-0D. AUT-164.Which of the following machinery space operations is required to be logged in the Oil RecordBook?A. Ballasting or cleaning of fuel oil tanks.B. Shifting suction of main fuel pump to reserve fuel oil tank.C. Changing out sprayer plates to adjust for steam demand.D. Daily inspection of engine room bilges.65.The Port Authorities, in accordance with the IMO resolutions have been carrying out _____ toenhance safety of ships.A. CPPB. FPPC. PSCD. FSC66.The fire drill must, as far as practicable, be conducted as if _____.A. there is a minor emergencyB. there is an actual emergencyC. there were a minor emergencyD. there were an actual emergency67.Duties shall be so organized by the chief engineer that the first watch at the commencement of avoyage and the subsequent relieving watches are _____and otherwise fit for duty.A. well trainedB. in good luckC. in good healthD. sufficiently rested68._____ should not undertake any task which will interfere with the supervision duties relating tothe main machinery and associated equipment.A. The watch keeping personnelB. The chief engineerC. The person on a bunker bargeD. The duty deck officer69.At an unsheltered anchorage the chief engineer officer shall consult with _____ whether or not tomaintain an underway watch.A. the engineer officer in charge of watchB. the deck officer in charge of watchC. the masterD. the chief mate70.The term 'oil', as used in the Pollution Prevention Regulations , means ______.A. fuel oil onlyB. crude oil onlyC. liquefied petroleum gasD. petroleum oil of any kind71.In the event of a small bunker oil spill on deck occurring while bunkering, you should ______.A. wash down the area immediately with a fire hoseB. wash down the area with keroseneC. cover the area with absorbent materialD. cover the area with foam72.The SOLAS Convention in its successive forms is generally regarded as the most important of allinternational treaties concerning the ______ of merchant ships.A. pollutionB. economizationC. safetyD. efficiency73.The SMS should provide for specific measures aimed at promoting the_____ of equipment orsystems the sudden operational failure of which may result in hazardous situations.A. visibilityB. abilityC. reliabilityD. capability74.Each ship shall carry on board a ship security plan approved by_____.A. the chief engineer officerB. the master of the shipC. the manager of the companyD. the Administration二、关联题（关联题题干下有4个小题，每小题4个选项）The cooling water in the HT(high temperature) circuit cools the cylinder liners, cylinder heads and turbocharger. From the pump water is supplied to the engine manifold which is cast in the engine block. From the manifold the water is distributed to all cylinder liner sections and from each liner upwards through the cooling water channels in the liner collars. From the liner collars further into the cylinder heads. In the cylinder head the water is forced by an intermediate deck to flow along the flame plate, around the valves to the exhaust valve seats and up along the fuel injector sleeve. From the cylinder head the water is discharged via a connection piece into the discharge manifold.The return water from the cylinder heads and turbocharger is supplied to the HT air cooler.In the first stage of this cooler, most of the heat from the charge air is extracted. The LT circuit water cools the charge air in the second stage. The necessary cooling for the LT water is gained from a central cooler. By controlling the LT water temperature to the inter-cooler the correct charge air temperature can be obtained.For preheating purposes, a heater circuit with a pump and heater are connected in the HT circuit before the engine. Before starting, the HT circuit is heated till about 60℃ by a separate heater Thepre-heating of the engine is, prior of starting up and loading on HFO, of utmost importance.75. From the passage we know that the charge air temperature was controlled by ____.A. sea water from a central coolerB. fresh water from a central coolerC. fresh water from a HT circuitD. fresh water from the LT circuit76. The cooling water to cool the engine was forced ______ .A. into the cylinder block and then upwards into the cylinder headB. into the cylinder intermediate section and then upwards into the cylinder headC. into the cylinder head and then downwards into the cylinder blockD. into the cylinder ends and then further into the cylinder intermediate77. After the charge air is discharged into the HT air cooler, _______.A. the charge air temperature will become higherB. the charge air temperature will become lowerC. the HT water temperature will remain constantD. the HT water temperature will become lower78. Which of the following devices may be used to warm the engine prior to starting?A. A high temperature cooling water system.B. A low temperature cooling water system.C. A central cooler.D. The second stage cooler.期数：2（总第43期）试卷代号：805。
轮机员英语面试(轮机长、大管轮、二管轮、三管轮适用)
轮机员英语面试（轮机长、大管轮、二管轮、三管轮适用）1、Can you measure oil level? Which method is right, to measure ullage height or to measure oil depth?Both will do. In practice, to measure ullage height is more specific than to measure oil depth. To measure ullage height, we should know the standard height of oil tank. In common practice, we usually measure the oil depth.2、Could you tell the working parts of a gas welding gun?Yes, sir. The working parts include nozzle, oxygen valve, acetylene valve, oxygen supply, acetylene supply. In addition, filler rod is used to fill in welded joint when it melts.注：焊枪是轮机部常用的维修工具，工作时这些部件名称经常涉及到。
3、How to pump out bilge water in the engine room?Pump bilge water into sludge tank. Then pump bilge water into oily water separator. Enquire master or deck officers on duty to pump out at appropriate water. The proportion should not beyond 15 PPM.机舱排污水程序可表述为把污水排到污水集中柜内，再通过油水分离器在允许排放区域按含油量小于15 PPM排放。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
中华人民共和国海事局2007年第2期海船船员适任证书全国统考试题(总第43期)科目：轮机英语试卷代号：805适用对象：无限、近洋航区3000KW及以上船舶二/三管轮（本试卷卷面总分100分，及格分为70分，考试时间为100分钟）答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑。
第1题至74题，每题1分，第75题至78题，每题1.5分,第79题至80题, 每题10分。
一、单项选择题1.______ the engines, the diesel engine is ______ used engine on board.A. Between/more commonlyB. Among/the most commonlyC. Between/not more commonlyD. Among/ not the most commonly2.The average pressure exerted on a piston during each power stroke is termed ______.A. indicated horsepowerB. mean effective pressureC. exhaust back pressureD. compression pressure3.The cetane number rates fuels for diesel engines according to its ______.A. antiknock characteristicsB. ignition qualitiesC. rates of vaporizationD. viscosity4.The time between injection and ignition of the fuel is known as ______.A. turbulence lagB. after burning ratioC. pre-ignition lagD. ignition delay5.______ controls the fuel oil temperature in order to provide oil at the correct viscosity forcombustion.A. The viscosity regulatorB. The temperature controllerC. The flow meterD. The pressure switch6.Constant cooling the various components of diesel engine has a number of functions except for______.A. good lubricationB. low thermal stressC. good mechanical propertiesD. acid corrosion7. A device which functions to bring a diesel engine to a full stop to protect it from damage isknown as a/an ______.A. torque limiterB. over-speed tripC. over-speed governorD. load limit governor8.Engine speeds at which resonance can occur are termed ______.A. maximum speedsB. full speedsC. sea speedsD. critical speeds9.Prolonged operation of a diesel engine with a closed cooling water system at lower than normaldesigned operating temperatures can ______.A. increase power outputB. decrease lube oil viscosityC. eliminate fuel knockD. cause sulfuric acid formation10.______ on a ship transmits power from the engine to the propeller.A. The automatic control systemB. The speed regularly systemC. The transmission systemD. The compression air system 11.In a _____ boiler the hot gases from the furnace pass through the tubes while the water is on theoutside.A. water-tubeB. fire-tubeC. exhaust gasD. composite12.The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if theboiler ______.A.salinity is abnormallyB.high steam demand is too highC.feed-water flow is lowD.water level is abnormally low13.The water in a steaming auxiliary boiler should be tested daily for ______.A. dissolved oxygenB. chloridesC. sludgeD. dissolved nitrogen14.Ignition failure in an automatically controlled auxiliary boiler could be caused by ______.A. carbon deposits on the flame scannerB. high fuel oil temperatureC. low fuel oil viscosityD. high steam pressure15.The concentration of total dissolved solids in the water of an auxiliary boiler can increase as aresult of ______.A. seawater contaminationB. frequent surface blowsC. dissolved oxygen de-aerationD. frequent bottom blows16.Some pumps use packing as sealing gland. The gland should be ______.A. slack enough to allow slight leakage of fluidB. slightly chockedC. brought up tight so as not to allow any leakageD. fitted with a relief valve17. A spur gear pump should be operated with the discharge valves ______.A. slightly openedB. throttledC. fully openedD. halfway openedpared to globe and angle valves, gate valves ______.A. are more suitable for throttlingB. operate with little or no pressure drop when fully openedC. are more easily repairedD. cannot be used for service requiring infrequent operation19.An increase in rotor clearances in a rotary pump will ______.A. increase discharge pressureB. decrease pump capacityC. decrease pump cavitationD. decrease reaction ring clearance20.The usual symptoms of cavitation in a centrifugal pump is ______.A. noise and vibrationB. an increase in discharge pressureC. an increase in suction pressureD. lifting of the relief valve21.Refrigerant entering the compressor of a refrigeration system should be in which of the followingconditions?A. Sub-cooled liquidB. Sub-cooled vaporC. Superheated vaporD. Liquid22.______is the circulation and refreshing of the air in a space without necessarily a change oftemperature.A. RefrigerationB. Air conditioningC. VentilationD.Heating23.In an air conditioning system, moisture is removed from the air by ______.A. filtersB. separatorsC. ducted trapsD.dehumidifiers24.Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressoras a result of ______.A. refrigerant bubbles in the lube oilB. refrigerant reducing the lube oil viscosityC. oxidation of the lube oil from overheatingD. reducing the floc or cloud point of the oil25. A high rate of separation between oil and water is favored by ______.A. large size of oil globuleB. low temperatureC. high viscosityD. high flow rate26.When started, a complete oily water separating unit is first filled ______. The oily water mixtureis then pumped through the inlet pipe into the coarse separating compartment.A. with dirty waterB. with clean waterC. by oily waterD. by mixed water27.Which is the pollution prevention equipment?A. booster pumpB. evaporatorC. incineratorD. cooler28.The ____is used to burn oil sludge.A. clarifierB. oily water separatorC. incineratorD. distiller29.Oil water separators are used to ensure that ships don't discharge oil when pumping out _____.A. ballast waterB. boiler waterC. bilge waterD. sewagewater30.When a clarifier is running the impurities and water collect at the bowl ______.A. centerB. peripheryC. inletD. upper parts31.The separation of impurities and water from ______ is essential for good combustion of dieselengines.A. lube oilB. fuel oilC. turbine oilD. grease32.Brine density in a distilling plant is measured with a/an ______.A. psychrometerB. salinometerC. anemometerD.sphygmomanometer33.The designed ______ is 20 tons per day, but the fresh water generator can only distil 15 tons atpresent.A. displacementB. weightC. powerD. capacity34.______ play a very important part in hydraulic systems by preventing interaction betweendifferent parts of the hydraulic circuit.A. MotorsB. Check valvesC. Safety valvesD.Reducing valves35.In a radial piston pump, reversal and control of fluid flow are accomplished by moving the______.A. central valveB. radial plungerC. floating ringD. cylinderbody36.In a ordinary cargo crane, ______is fitted to rotate the crane.A. the slewing motorB. the luffing motorC. the hoisting motorD. the fan motor37.Which problems can occur if the brake band lining of a wildcat brake becomes excessively worn?A. The driving engine will over-speed.B. The anchor will immediately drop.C. The clutch will overheat.D. The brake's effectiveness will be reduced.38.______ are used for hauling in or letting out the wires which fasten the ship to the shore.A. Cargo winchesB. Mooring winchesC. WindlassesD. Cargo hatches39.Which of the following can be used in hydraulic transmission system?A. Hydraulic oilB. Animal oilC. Light oilD. Fuel oil40.One factor that determines the frequency of an alternator is the ______.A. number of turns of wire in the armature coilB. number of magnetic polesC. strength of the magnets usedD. output voltage41. A DC generator is used to supply direct current in order to maintain an AC generator field and isknown as a/an ______.A. rotorB. statorC. exciterD. armature42.When paralleling two AC generators, the frequency of the machine coming on-line, immediatelyprior to closing its breaker, should be ______.A. slightly less than the oncoming generator frequencyB. the same as the bus frequencyC. slightly greater than the bus frequencyD. the same as the bus voltage43.When securing an AC generator, you should FIRST ______.A. open the generator circuit breakerB. switch the voltage regulator to 'manual'C. decrease the field excitation to minimumD. reduce the load on the unit44. A generator is prevented from becoming motorized by the use of a/an ______.A. over-speed tripB. reverse power relayC. back pressure tripD. governor controls45.The part of the shipboard electrical system used to control the distribution of power to the branchcircuits is the ______.A. bridge control panelB. disconnect linksC. governor relay boxD. main switchboard46.Which of the listed sections of an emergency switchboard is used to supply power for alarmsignals under emergency conditions?A. The generator and bus transfer sectionB. The 450 volt, 60 cycle, 3 phase busC. The 120 volt, 3 phase, 60 cycle busD. The 24 volt DC bus47.The separate supplies are connected in either star or delta formation. The star formation is mostcommonly used and requires ______ slip-rings on the alternator.A. twoB. threeC. fourD. five48. A fuse that blows often should be replaced only with a fuse of ______.A. the recommended current and voltage ratingB. higher current and voltage ratingC. higher current and lower voltage ratingD. lower current and higher voltage rating49.The overcurrent relay______ the motor contactor when the motor exceeds its rated current .A. connectsB. tripsC. foulsD. destructs50.Electric circuits are protected against overloads and short circuits by means of a/an ______.A. circuit breakerB. amplifierC. diodeD. capacitor51.Prior to starting an AC generator prime mover, the voltage regulator cutout switch should beplaced in the _________.A. manual positionB. bus neutral positionC. raise voltage positionD. transfer position52.Before M/E putting on the starting air, the reversing and control gear should be _____.A. operatedB. stoppedC. checkedD. removed53.______ is a precaution which contributes to avoiding trouble under normal operating conditions.A. Constant inspectionB. Keeping constant loadC. Remaining constant temperatureD. Varying speed54.After “F.W.E.” is given, the air system is shut down, the _____ gear put in, all drains andindicator cocks opened, and the cooling water kept running.A. steeringB. timingC. turningD. running55.Which of the following must be eliminated to prevent accidents?A. Unsafe actionsB. OrderlinessC. Frequent inspectionsD. Good work habit/practices56. A class …C‟fire would most likely occur in the ______.A. engine room bilgesB. main switchboardC. paint lockerD. rag bin57.The most likely place for a fire to start through the process of spontaneous combustion is in_____.A. an electrical switchboardB. the pressure tanksC. the fuel oil tanksD. the oily rag bin58.While on watch in the engine room, you hear a continuous sounding of the general alarm. Whichof the following actions should you take FIRST?A. Secure the burners then proceed to your assigned boat station.B. Start the fire pump and establish flow to the fire main.C. Open the guardian valve and standby to maneuver.D. Open the master control valves on the fixed CO2 system.59. A fireman's outfit carried onboard cargo vessels, must have a ______.A. canister-type gas maskB. fresh-air breathing apparatusC. self-contained breathing apparatusD. combustible gas indicator60.The safe rate of bunkering heavy fuel oil is directly related to the ______.A. type of fuel transfer pump aboardB. temperature of the fuel oil being receivedC. size of the fuel storage tanks ashoreD. distance from the fuel oil storage tanks ashore61.To anneal a copper gasket, you should heat the gasket ______.A. and quench it in oilB. cherry red and quench in waterC. and let it cool slowly in the airD. and carbonize it62.Preventive maintenance _____.A. should not be carried out during the watches.B. can only be carried out in port.C. is a kind of maintenances carried out prior to the occurrenceD. is a kind of maintenances carried out after the occurrence63.The additional mark _____ in the Classification Certificate for Machinery represents thatpersonnel are watching at engine assembly control station and monitoring all machinery and electronic devices.A. BRCB. MCCC. AUT-0D. AUT-164.Which of the following machinery space operations is required to be logged in the Oil RecordBook?A. Ballasting or cleaning of fuel oil tanks.B. Shifting suction of main fuel pump to reserve fuel oil tank.C. Changing out sprayer plates to adjust for steam demand.D. Daily inspection of engine room bilges.65.The Port Authorities, in accordance with the IMO resolutions have been carrying out _____ toenhance safety of ships.A. CPPB. FPPC. PSCD. FSC66.The fire drill must, as far as practicable, be conducted as if _____.A. there is a minor emergencyB. there is an actual emergencyC. there were a minor emergencyD. there were an actual emergency67.Duties shall be so organized by the chief engineer that the first watch at the commencement of avoyage and the subsequent relieving watches are _____and otherwise fit for duty.A. well trainedB. in good luckC. in good healthD. sufficiently rested68._____ should not undertake any task which will interfere with the supervision duties relating tothe main machinery and associated equipment.A. The watch keeping personnelB. The chief engineerC. The person on a bunker bargeD. The duty deck officer69.At an unsheltered anchorage the chief engineer officer shall consult with _____ whether or not tomaintain an underway watch.A. the engineer officer in charge of watchB. the deck officer in charge of watchC. the masterD. the chief mate70.The term 'oil', as used in the Pollution Prevention Regulations , means ______.A. fuel oil onlyB. crude oil onlyC. liquefied petroleum gasD. petroleum oil of any kind71.In the event of a small bunker oil spill on deck occurring while bunkering, you should ______.A. wash down the area immediately with a fire hoseB. wash down the area with keroseneC. cover the area with absorbent materialD. cover the area with foam72.The SOLAS Convention in its successive forms is generally regarded as the most important of allinternational treaties concerning the ______ of merchant ships.A. pollutionB. economizationC. safetyD. efficiency73.The SMS should provide for specific measures aimed at promoting the_____ of equipment orsystems the sudden operational failure of which may result in hazardous situations.A. visibilityB. abilityC. reliabilityD. capability74.Each ship shall carry on board a ship security plan approved by_____.A. the chief engineer officerB. the master of the shipC. the manager of the companyD. the Administration二、关联题（关联题题干下有4个小题，每小题4个选项）The cooling water in the HT(high temperature) circuit cools the cylinder liners, cylinder heads and turbocharger. From the pump water is supplied to the engine manifold which is cast in the engine block. From the manifold the water is distributed to all cylinder liner sections and from each liner upwards through the cooling water channels in the liner collars. From the liner collars further into the cylinder heads. In the cylinder head the water is forced by an intermediate deck to flow along the flame plate, around the valves to the exhaust valve seats and up along the fuel injector sleeve. From the cylinder head the water is discharged via a connection piece into the discharge manifold.The return water from the cylinder heads and turbocharger is supplied to the HT air cooler.In the first stage of this cooler, most of the heat from the charge air is extracted. The LT circuit water cools the charge air in the second stage. The necessary cooling for the LT water is gained from a central cooler. By controlling the LT water temperature to the inter-cooler the correct charge air temperature can be obtained.For preheating purposes, a heater circuit with a pump and heater are connected in the HT circuit before the engine. Before starting, the HT circuit is heated till about 60℃ by a separate heater The pre-heating of the engine is, prior of starting up and loading on HFO, of utmost importance.75. From the passage we know that the charge air temperature was controlled by ____.A. sea water from a central coolerB. fresh water from a central coolerC. fresh water from a HT circuitD. fresh water from the LT circuit76. The cooling water to cool the engine was forced ______ .A. into the cylinder block and then upwards into the cylinder headB. into the cylinder intermediate section and then upwards into the cylinder headC. into the cylinder head and then downwards into the cylinder blockD. into the cylinder ends and then further into the cylinder intermediate77. After the charge air is discharged into the HT air cooler, _______.A. the charge air temperature will become higherB. the charge air temperature will become lowerC. the HT water temperature will remain constantD. the HT water temperature will become lower78. Which of the following devices may be used to warm the engine prior to starting?A. A high temperature cooling water system.B. A low temperature cooling water system.C. A central cooler.D. The second stage cooler.三、中译英（共2题，请将答案写在答题纸上）79．(轮机日志)检查所有燃油、滑油及冷却水工作液位，所有燃油柜放残。