轮机英语8套(3)

1.After arrived at the port, if it is necessary to lift the piston out and inspect the M/E temporarily,

the chief engineer should report the situation to the ____, and the operation could be performed only after

having the approvement of relevant department.

A. Ship survey bureau

B. maritime safety

C. company manager

D. Captain

2.Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the ______

A. chief engineer's office

B. engine room control station

C. wheelhouse control station

D. captain's office

3._____is provided for each generator with selector switch to reed the current in etch phase.

A. A voltmeter

B. A frequency meter

C. An ammeter

D. A synchroscope

4.In order to reduce the chance of detentions ships shoald routinely verify the following except for _____.

A. operation of the oily weter separator able to be demonstrated.

B. all Oil Record Book entries completed according to Marpol.

C. cleaning all associeted monitor, alarm and stopping device.

D. operetion of the oily weter seperetor monitor able to be demonstreted.

5.If a crankcase explosion occurs in a diesel engine, you skould stop the engine and _____

A. immediately open all crankcase relief ports

B. increase crankcase exhauster speed to draw cool air into the engine

C. allow the engine to cool naturally

D. increase crankcase scavenge air to remove unburned gases

6.In a fixed displacement axial piston hydraulic motor, the speed is varied by _____

A. maintaining a constant flow and pressure input

B. regulating the ratio between torque and speed via the torque limiter at the motor

C. controlling the input flow rate

D. directing the motor output flow through a bypass line

7.In an AC synchronous motor electric propulsion plant, propeller speed is controlled by varying the

A. prime mover speed

B. number of energized main motor poles

C. propulsion generator field strength

D. electric coupling field strength

8.Prior to entering cargo pumproom you should ensure that ____

A. the oily water separator is de-energired

B. the forced ventilating system is operating

C. the cargo pumps are secured

D. no monocarbon gases are present

9.Which is the pollution prevention equipment?

A.cooler

B.evaporator

C.booster pump

D.incinerator

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10. The SOLAS convention prescribes that in the fire fighting drill the duty engineer should start the fire pump and supply deck water in ____ minute(s).

A.5

B.3

C.2

d.1

11.Emergency generator is installed on board mainly to ___.

A. ensure the power supply to critical equipment if the main switchboard out of power.

B. be put into operation during the ship arriving at or leaving port

C. supply power specially to charging panel

D. connect to the bulbar when the load increasing

12. A fire is considered 'under control' when____.

A. the fire is no longer spreading.

B. the fixed systems are activated.

c.all fire-fighting equipment is at the scene

D.all hands are at their fire stations

13.

A simple thermocouple arrangement consists of two___metal wire conductors with the two ends joined with extra-wires to complete the circuit and a very sensitive million-voltmeter as an indicator.

A.vary

B.some

C.similitude

D.dissimilar

14.

The starting current of an AC. motor is ____ the rated current.

A.the same as

B.equals

C.much larger than

D.less than

15.

In the event of a flame failure in an auxiliary water-tube boiler, you must _____

A. purge the furnace of any combustible gases before attempting to relight the fire

B. speed up the feed pump to prevent dry firing when the burner flame is reestablished

C. relight the fire off the brickwork as long as the bricks are cherry red

D. relight the boiler immediately to prevent loss of steam pressure

16.Which of the precautions listed should be observed when working with oxy-acetylene welding equipment?

A. Keep oxygen regulators and valves coated a light film of oil.

B. Bottles should be labeled air and gas.

C. Keep cylinders away from exposure to cold temperatures.

D. Keep gas cylinders supported so that they cannot tip over

17.Leaky exhaust valve will result in which of the following 1. high exhaust temperature 2.low

compression pressure 3.low firing pressure.

A.1,2,3

B.1,2

C.1

D.2

18.During the diesel engine running period, the water level of F.W expansion tank should normally kept at the _____ _level of glass tube.

A. highest

B.1/2~3/4

Closest

D.above 3/4

19.When ship is entering to a narrow waterway and the fuel feeding of the main engine

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