航海英语题库船舶证书

航海英语题库船舶证书
第一篇：航海英语题库船舶证书
一船舶证书
01.1 各类证书的内容、展期与更新
[1]This Certificate will remain in force until May 1，2009．This Sentence refers to ______ of the Certificate.A.the validity B.the time C.the date D.the issue KEY: A [2]The International Loadline Certificate is a document indicating ______ of the various loadlines of the vessel．
A.functions
B.importances
C.actions
D.positions KEY: D
[3]The certificate will remain in force ______ July lst，2008．
A.in
B.on
C.till
D.to KEY: C [4]The certificate shall have effect ______ all Chinese ports．
A.to
B.for
C.in
D.on KEY: C
[5]The certificate of nationality ______ serves as evidence of the nationality of the ship ______ shows the port of registry．
A.neither，nor
B.not only，but also
C.not，but
D.not only and but KEY: B
[7]My Deratization Exemption Certificate will become ______ on the 16th of September．
A.due
B.expire
wful
D.non-effective KEY: A [8]If there are any Certificates expired or nearing expiry the master of a ship must shall apply for their ______ at any port．
A.inspection or issuance
B.requirements or renewal
C.renewal or extension
D.extension or expiring KEY: C [9]______ of this Deratting Exemption Certificate is hereby extended until 4th Oct．2007 as the vessel is laden with cargo．
A.Validity
B.Valid
C.Validation
D.The coming into force KEY: A [10]Vessel shall possess International Cargo Gear Certificates ______ duration of Charter Party showing winches and derricks in order．
A.validity in
B.valid for
C.effective at
D.effectiveness for KEY: B
[11]______ the vessel have no safety radiotelegraphy certificate at the time of her delivery，she ______ be held to be unseaworthy．
A.If／may
B.Will／shall
C.Should／would
D.Would／should KEY: C [12]The Tonnage Certificate indicates ______.A.deadweight tons B.displacement tons
tons and gross tons
D.volume tons KEY: C [13]Which certificate is always issued by the China Classification Society？______.A.Loadline certificate
B.Safety equipment certificate
C.Safety construction certificate
D.Safety cargo gear certificate KEY: D [14]A vessel used for international service shall possess ______ valid for duration of charter party showing winches and derricks in order． A.International Cargo Gear Certificate B.International Loadline Certificate
C.International Safety Construction Certificate
D.International Seaman Identification KEY: A [15]The vessel's Loadline Certificate is always issued by ______.A.The Register of Shipping B.Customs House
C.Cargo Survey Bureau
D.Maritime Safety Administration KEY: A [16]The certificate of pratique certifies that ______.A.the ship has no rats or mice on board
B.no quarantinable disease has been found on the vessel
C.no person has died during the voyage the ship has just completed
D.all the crew members have no health problem KEY: B [17]Official proof of a Chinese vessel's nationality is contained in the ______.A.Certificate of Inspection B.Official Log
C.Certificate of Documentation
D.Shipping Articles KEY: C
[18]A vessel's Derat Certificate is always issued by ______.A.Classification Society．
B.Cargo Survey Bureau．
C.Environmental Protection Agency．
D.Public Health KEY: D [19]A vessel's Classification Certificate is issued by the ______.A.Bureau of Shipping B.National Cargo Bureau C.Port Authorities D.The Customs KEY: A [20]This certificate is valid until Jan 1 2008 subject，where appropriate，______ periodical inspection in accordance with Article 14(1)(c)of the Convention A.to B.for C.in D.of KEY: A [21]This certificate is issued under the authority of the said Government，and it will remain in ______ until Jan 1 2008.A.strength B.power C.force D.stress KEY: C [22]The validity of this certificate is，in accordance with article 19(4)(a)of the Convention，______ until Jan 1 2003.A.stretched B.expanded C.enlarged D.extended KEY: D [23]The official identification of a vessel is found in the ______.A.Certificate of Inspection B.Classification Certificate
C.Loadline Certificate
D.Certificate of Documentation KEY: D [24]The maximum draft to which a vessel can legally be submerged is indicated by the ______.A.Loadline mark
B.Certificate of Inspection
C.Station Bill
D.Tonnage mark KEY: A [25]The loadline certificate of a Chinese ship is issued by ______S
B.the National Cargo Bureau
C.MSA
D.PRC Customs KEY: A [26]The Certificate of Freeboard is the ______.A.Loadline Certificate B.Certificate of Inspection C.Admeasurer's Certificate D.Forecastle Card KEY: A [27]The agency which assigns loadlines and issues Loadline Certificates in US is the ______.A.American Bureau of Shipping B.Secretary of Commerce Customs CG KEY: A [28]That SHE WAS ENTERED IN THE REGISTER BOOK OF THIS SOCIETY，WITH THE CHARACTER +100A1 SUBJECT TO PERIODICAL SURVEYS AS REQUIRED BY THE RULES is likely to appear in ______.A.INTERNATIONAL OIL POLLUTION PREVENTION CERTIFICATE B.FUMIGATION AND GAS FREE CERTIFICATE
C.CERTIFICATE OF CLEANLINESS OF NATIONAL CARGO BUREAU，INC.
D.CERTIFICATE OF CLASS KEY: D [29]Allowance for fresh water for all freeboards other than timber 25mm.This wording is likely to appear in ______.A.INTERNATIONAL LOADLINE CERTIFICATE B.PASSENGER SHIP SAFETY CERTIFICATE
C.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE
D.GENERAL DECLARATION KEY: A [30]______ is issued under the provision of International Convention for the Prevention of Pollution from Ships，1973，as modified by the Protocol of 1978 relating thereto.A.INTERNATIONAL OIL POLLUTION PREVENTION CERTIFICATE B.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE C.CARGO SHIP SAFETY EQUIPMENT CERTIFICATE
D.CARGO SHIP SAFETY RADIOTELEPHONY CERTIFICATE KEY: A [32]A vessel has sustained damage in a collision with another vessel.It is necessary to have a Seaworthy Certificate before the vessel sails.Who will issue this certificate? A.American Consul B.Classification Society C.Captain of the Port
D.Officer in Charge，Marine Inspection KEY: B [33]A vessel's Certificate of Documentation ______.A.may be retained by the owner at the home port OR kept on the vessel B.must be posted under transparent material in the pilothouse C.must be carried on board
D.must be kept on file at the corporate offices of the owner or operator KEY: C [34]A vessel's Classification Certificate is issued by the ______.A.American Bureau of Shipping B.National Cargo Bureau C.United States Coast Guard D.United States Customs KEY: A [35]An International Tonnage Certificate will be issued to a vessel when it meets several requirements，one of which is that the vessel must ______.A.admeasure over 100 GT
B.be 79 or more feet in length
C.engage in intercoastal or international trade
D.be issued a Certificate of Inspection KEY: B [37]If your passenger vessel has been issued a stability letter，it must be ______.A.filed in the ship's office B.posted in a passenger area
C.posted adjacent to the Certificate of Inspection
D.posted in the pilothouse KEY: D [38]If your vessel is equipped with a radiotelephone，what must also be aboard? A.Certificate of Inspection B.List of ship stations
C.Copy of ship to shore channels
D.Radio station license KEY:
D [39]My Deratization Exemption Certificate will ______ by the end of this month．
A.become due
B.become valid
C.become lawful
D.become effective KEY: A [40]Said cargo spaces having been cleaned in accordance with the Regulations of the United States Coast Guard and the Code of Federal Regulations so far as applicable，and in accordance with the recommendations of the National Cargo Bureau，Inc.This wording is likely to appear in
______.A.CERTIFICATE OF CLEANLINESS
B.FUMIGATION AND GAS FREE CERTIFICATE
C.CERTIFICATE OF CLASS
D.INTERNATIONAL OIL POLLUTION PREVENTION CERTIFICATE KEY: A [41]That she was entered in the REGISTER BOOK of this Society，with the Character +100A1 subject to Periodical Surveys as required by the Rules is likely to appear in ______.A.INTERNATIONAL OIL POLLUTION PREVENTION CERTIFICATE B.FUMIGATION AND GAS FREE CERTIFICATE
C.CERTIFICATE OF CLEANLINESS OF NATIONAL CARGO BUREAU，INC.
D.CERTIFICATE OF CLASS KEY: D [42]The agency which assigns load lines and issues Load Line Certificates is the ______.A.the Bureau of Shipping B.Secretary of Commerce C.the Customs
D.MSA or Coast Guard KEY: A [43]The Certificate of Inspection for a containership ______.A.is issued by the Coast Guard and is usually valid for 2 years
B.must be posted under transparent material near the officers' licenses
C.lists all of the stability limitations and conditions imposed on the vessel
D.shows the due date of the quadrennial test of the cargo gear KEY: A [44]The certificate of inspection of a vessel will specify the ______.A.number of licensed personnel required on board B.maximum load line draft
C.maximum water depth for drilling
D.next date for an inclining experiment KEY: A [45]The International Load Line Certificate is a document indicating ______ of the various load lines of the vessel．
A.decks
B.cabins
C.holds
D.positions KEY: D [46]The undersigned ______ that he is duly authorized by the said Government to issue this certificate.A.claims B.declares
plains
D.says KEY: B [47]This certificate is issued under the authority of the said Government，and it will remain in ______ until Jan 1 2008.A.strength B.power C.force D.stress KEY: C [48]This Certificate will remain in force until May 1，2009．______.A.This Sentence refers to the validity of the Certificate．
B.This Sentence refers to the time of the Certificate．
C.This Sentence refers to the date of the Certificate．
D.This Sentence refers to the issue of the Certificate KEY: A
[49]Tonnage tax is officially based upon the figures obtained from the ______.A.Admeasurement Certificate B.deadweight scale C.displacement scale D.Load Line Certificate KEY: A [50]Vessels must be ______ valid certificate of nationality or certificate of registry or license．
A.acquiring
B.with possession of
C.required for
D.in possession of KEY: 第二篇：航海英语新题库(船舶结构、气象)
海上气象报告与气象导航
1.______ LOW ELY SLWLY WITH COLD FRONT FM CEN TO 12N 179W AND WARM FROM FM CEN TO 11N 171W．A．SHLW B．SCTD C．OBS D．SW A
2.______ moving rather quickly east expected 150 miles south of Cape Farewell 972 by 160000 GMT．A．Developed low B．Developing low C．Being developed low D．Low to be developed B
3.______ rain means it rains in some parts of the area．A．Squally B．Isolated C．Scattered D．Occasional C
4.A local wind which occurs during the daytime and is caused by the different rates of warming of land and water is a ______． A．Foehn
B．Chinook C．Land breeze
D．Sea breeze D 5.A microbarograph is a precision
instrument that provides a ______．A．charted record of atmospheric temperature over time B．charted record of atmospheric pressure over time C．graphic record of combustible gases measured in an atmosphere D．graphic record of vapor pressure from a flammable/combustible liquid B 6.A tropical storm is building strength some distance from your ship．Waves are coming from the east，with periods increasing from 5 seconds to 15 seconds．The swell is from the east．Where was the storm when these new swells were generated ________．
A．T o the north of you
B．To the south of you C．To the east of you
D．To the west of you C 7.A type of precipitation that occurs only in thunderstorms with strong convection currents that convey raindrops above and below the freezing level is known as ______． A．Sleet
B．Hail C．Freezing rain D．Rime B 8.A weather forecast states that the wind will commence backing．In the Northern Hemisphere，this would indicate that it will ______． A．Shift in a clockwise manner B．Shift in a counterclockwise manner C．Continue blowing from the same direction D．Decrease in velocity B 9.A WIND BLOWS ROUND ANTICLOCKWISE defines ______． A．Bcking（of wind）B．Beach（to）
C．Veering（of wind）
D．Maintaining direction of the wind A 10.After a cold front passes，the barometric pressure ______．A．Drops，and the temperature drops B．Drops，and the temperature rises C．Rises，and the temperature drops D．Rises，and the temperature rises C 11.Anticyclones are usually characterized by ______．A．dry，fair weather B．high winds and cloudiness
C．gustiness and continuous precipitation D．overcast skies A 12.As the temperature for a given mass of air increases，the ______．A．Dew point increases B．Dew point decreases C．Relative humidity increases D．Relative humidity decreases D 13.BASHI：E TO SE 9-10.500M IN HVY SQUALLY SHWRS AND TS．SEA 8-9M．SWELL SE 6-7M．From the above forecast，the wind in Beaufort Scale will be ______．
A．STRONG GALE TO STORM B．GALE TO STRONG GALE C．NEAR GALE TO GALE D．STRONG BREEZE TO NEAR GALE A 14.CAPE WEST WIND WEST TO SOUTHWEST 15 TO 20 KNOTS WEATHER
SHOWERS．This description is likely to be under the heading of ______．A．FORECAST B．STORM WARNING C．GENERAL SITUATION D．MAP ANALYSIS A
15.During the voyage he encountered boisterous winds and heavy weather during which time the vessel ______ heavily and to such an extent that at times it was necessary to change course． A．Moved B．Labored C．Drove D．Went B 16.During the voyage my ship ______ bad weather in the Pacific Ocean． A．meets with B．has met with C．met with D．meeted with C 17.Especially in adverse weather，risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit ________．A．Upwind B．Downwind C．Crosswind D．Downcurrent A 18.For an accurate barometer check，you would ______．A．Check it with a barometer on another vessel B．Take readings from several barometers and average them C．Check it with the barometer at the ship chandlery D．Check it against radio or National Weather Service reports of the immediate vicinity D 19.HIGH WAVES；DENSE STREAKS OF FOAM ALONG THE DIRECTION OF THE WIND；
CRESTS OF WAVES BEGIN TO TOPPLE，TUMBLE AND ROLL OVER；SPRAY MAY AFFECT VISIBILITY．This condition is likely to be termed ______．
A．Strong breeze B．Near gale C．Gale D．Strong gale D
20.If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect ________． A．South to west B．South to east C．West to north D．North to east B 21.If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position，what winds can you expect in the Northern Hemisphere ________．A．East to northeast
B．East to southeast C．North to northwest
D．South to southeast C 22.INTERTROPICAL CONVERGENCE ZONE OVER SOUTH PHILIPPINE PASSING OVER MINDANAO NORTHERN SULU AND PALAWAN．This phrase is likely to be under the heading of ______． A．GALE WARNING B．24 HOURS FORECAST C．SYNOPSIS D．STORM WARNING C 23.Mechanical lifting of air by the upslope slant of the terrain is called ______．A．Vertical lifting B．Convective lifting C．Advective lifting D．Topographic lifting D 24.NORTHEAST TAIWAN RYUKYU PARTLY CLOUDY SKIES WITH ISOLATED SHOWERS WIND NORTHEASTLY ZERO FIVE TO ONE FIVE KNOTS SEA MAINLY SLIGHT．The weather in this area is ______． A．CLOUDY B．PARTLY CLOUDY C．CLEAR D．OVERCAST B 25.Of the following，______ is not a wind．A．Bora B．Gust C．Gregale D．FloeD 26.OWING TROPICAL STORM9706 CROSSING OUR/COURSE PLSPERMIT SHELTERING KAGOSHIMA KAIWAN．This cable indicates that ______．
A．She requested shelter permission
B．She intended to berth at port of KAGOSHIMA C．She
intended to change her course D．She was reporting to the port that a tropical storm is coming A 27.REEF（SOUTH）WIND NORTH 10 KNOTS WEATHER ISOLATED SHOWERS SEA SLIGHT STOP．This phase is a ______． A．forecast B．warning C．map analysis D．general introduction A 28.SCARBOROUGH= W TO SW UP TO 10 IN N．500 M IN HVY SQUALLY SHOWERS AND TS．SEA 7-8 M．SWELL SW 5-6 M．The visibility in this area is ______．
A．10 NM
B．500 M
C．7-8 M
D．5-6M B 29.SEVERE TROPICAL STORM UPGRADED INTO A TYPHOON AND AT 1800Z 13 AUGUST IT WAS ESTIMATED BASED ON SURFACE REPORTS．This phrase is likely to be under the heading of ______． A．GALE WARNING B．24 HOURS FORECAST C．SYNOPSIS D．STORM WARNING D 30.TAIWAN STRAITS EAST GUANGDONG：CLOUDY TO OVERCAST WITH LOCAL SHOWERS WIND NE 22 TO 33 KTS SEAS ROUGH TO VERY ROUGH VIS 10 TO 20 KMS．The Vis.in this area is ______ nautical miles． A．22 TO 33 B．11 TO 16 C．5 TO 10 D．10 TO 20 C 31.The AMVER system requires ______．A．Sailing plans to be sent before departure B．More frequent reports in heavy weather C．Arrival reports to be sent within 8 hours of arrival D．A position report within 24 hours of departure D 32.The apparent wind's speed can be zero，but only when two conditions are present．One condition is that the true wind ______． A．Must be from dead ahead B．Speed must be zero C．Must be from dead astern D．Must be on the beam
C 33.The area of strong westerly winds occurring between 40°S and 60°S latitude is called the ______． A．polar easterlies
B．prevailing westerlies C．roaring forties D．jet streams C 34.The Beaufort scale is used to estimate the ______． A．Wind direction B．Percentage of cloud cover C．Wind speed D．Barometric pressure C 35.The dense black cumulonimbus clouds surrounding the eye of a hurricane are called ______．A．Spiral rainbands
B．Cloud walls C．Funnel clouds
D．Cyclonic spirals B 36.The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the ______． A．Wall cloud B．Nimbostratus cloud C．Bar D．Funnel A 37.The Routing System which aimed at reducing the risk of casualties is called as ______．
A．Traffic Separation Schemes B．Recommended tracks C．Precautionary areas D．Inshore traffic zones A 38.The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the ______．A．Doldrums B．Westerlies C．Trades D．Easterlies C 39.TYPHOON KAREN WARNING 14．POSIT ONE THREE PT ONE NORTH ONE FOUR EIGHT PT TWO EAST AT 110 000Z．GOOD BASED ON 102 200Z RECON FIX．The typhoon is in ______．
A．the high latitude of the northern hemisphere
B．the high latitude of the southern hemisphere C．the low latitude of the northern hemisphere D．the low latitude of the southern hemisphere C 40.Weather conditions in the middle latitudes generally move ______．A．Eastward B．Westward C．Northward D．Southward A 41.Weather forecast messages are usually ______． A．Given only to TV stations B．Transmitted only by commercial broadcast stations C．Broadcast in plain language D．Broadcast immediately on VHF Channel 16 and 2182 kHz C 42.Weather information is available from
______． A．Commercial radio broadcasts B．The Coast Guard on scheduled marine information broadcasts C．VHF-FM continuous marine weather broadcasts provided by the National Weather Service D．All of the above D 43.Weather observations provided by each weather station include all of the following except ______．A．temperature B．visibility C．predicted weather for the next twelve hours D．barometric pressure and change in the last three hours C 44.West backing south-west gale 8 locally storm 10 ______ then rain or sleet mainly good．
A．windy showers B．showers with winds C．wintry showers D．showery winds C 45.What benefit is a weather bulletin to a mariner ________．A．It provides a legal reason to cancel a projected voyage B．It allows the mariner to make long term weather forecasts C．It is of little benefit since the weather changes frequently and rapidly D．It gives the mariner time to prepare for weather changes D 46.What will a veering wind do ________．
A．Change direction in a clockwise manner in the Northern Hemisphere B．Circulate about a low pressure center in a counterclockwise manner in the Northern Hemisphere C．Vary in strength constantly and unpredictably D．Circulate about a high pressure center in a clockwise manner in the Southern Hemisphere A 47.When a high pressure system is centered north of your vessel in the Northern Hemisphere ______．
A．You should experience hot，moist，clear weather B．The wind direction is generally easterly C．The winds should be from the southwest at your location D．The winds should be brisk B 48.When force of winds reaches 10-11 in Beaufort scale，we usually call such wind ______．
A．Gale
B．Storm
C．Hurricane
D．Typhoon B 49.When observing a rapid rise in barometric pressure，you may expect ______．A．Clear weather with no wind，but the possibility of rain or snow within 24 hours B．Deteriorating weather with rain or snow C．Heavy rain or severe thundershowers D．Clearing weather，possibly accompanied by high winds D 50.When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear ________． A．Non-follow-up B．Rudder adjustment C．Weather adjustment
D．All the above may be activated A 51.Which general weather conditions should you expect to find in a low pressure system ________．A．Fair weather B．Precipitation and cloudiness C．Scattered clouds at high elevations D．Gradual clearing and cooler temperatures B 52.Which of the following is not a frontal term ______． A．Ridge B．Col C．Trough D．Bora D 53.Which of the following statements concerning frontal movements is TRUE ________．
A．The temperature rises after a cold front passes B．The barometric pressure rises when a warm front passes C．A cold front generally passes faster than a warm front D．A warm front usually has more violent weather associated with it than a cold front C 54.While on watch，you notice that the air temperature is dropping and is approaching the dew point．Which type of weather should be forecasted ________． A．Hail B．Heavy rain C．Sleet D．Fog D 55.Widely spaced isobars on a weather map indicate ______． A．High winds B．Gentle breezes C．Ice，snow or frozen rain D．Probability of tornados B 海上天气现象
1.______ are experienced in temperate latitudes during warn
summer weather but rarely exceed Force 3 and may extend 10 to 15 miles on either side of the coastline．A．Trade Winds B．Winds of the temperate zones C．Monsoons D．Land and Sea Breezes D 2.______ blow more or less constantly（except when monsoons prevail）throughout all seasons at a mean speed of around 14 knots and are generally strongest in the late winter．
A．Trade Winds
B．Winds of the temperate zones C．Monsoons
D．Land and Sea Breezes A 3.______ forms over land，most frequently during autumn and winter over low-lying land，especially if it is damp and marshy and in valleys on quiet nights with clear skies．
A．FRONTAL FOG B．MIXING FOG C．ADVECTION FOG D．RADIATION FOG D 4.______ is a type of fog occurring close to the sea surface when the air is dry and cold-probably at least 9℃ below the sea surface temperature． A．MIXING FOG B．ADVECTION FOG C．RADIATION FOG D．ARCTIC SEA SMOKE D 5.______ is the most widespread type likely to be encountered at sea and is caused by relatively warm air being cooled by flowing over a cooler sea surface． A．FRONTAL FOG B．MIXING FOG C．ADVECTION FOG D．RADIATION FOG C 6．A ______ is created by a pressure gradient or slope in the water level．A．gradient current B．density current C．swift current D．torrent current A 7．A barometer showing falling pressure indicates the approach of a ______．A．High pressure system B．Low pressure system C．High dew point D．Low dew point B 8.A hurricane moving northeast out of the Gulf passes west of your position．You could expect all of the following EXCEPT ______． A．higher than normal swells B．high winds C．winds
veering from south，through west，to northwest D．light showers D 9.A katabatic wind blows ______． A．Up an incline due to surface heating B．In a circular pattern C．Down an incline due to cooling of the air D．Horizontally between a high and a low pressure area C 10.A sign of thunderstorm development is a cumulus cloud ______．A．Darkening，growing in size and forming an anvil top B．That shows extensive vertical development C．Creating cold downdrafts that are felt on the ground D．All of the above D 11.A vessel entering the eye of a hurricane should expect ______．
A．Moderating winds and heavy confused seas to strike his vessel from all directions
B．The winds to increase to hurricane force and strike from a different direction as the eye passes C．The barometer to reach the lowest point D．All of the above D 12．Altocumulus clouds are defined as ______． A．high clouds B．middle clouds C．low clouds D．vertical development clouds B 13.By plotting the analysis messages on weather charts，we are able to ______．A．prevent any possible accident at sea B．prepare a reasonable forecast of the wind and weather C．help the mariner to fix a accurate ship's position D．aid the salvage of a ship in peril B
14.Clouds with the prefix“nimbo”in their name ______． A．are sheet or layer clouds B．have undergone great vertical development C．are middle or high altitude clouds D．are rain clouds D 15.Cumulonimbus clouds are formed by ______．A．vertical air movements B．heavy rainstorms C．horizontal air movements D．any movement of moist air A 16.Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate
______．A．clearing weather B．that a warm front has passed C．probable thunderstorm activity D．an approaching hurricane or typhoon C
17.Customs，upon boarding a vessel desiring entry into PRC port，would inspect which document ________．
A．Cargo Manifest
B．Certified Crew List C．Stores List
D．All of the above D
18.Cyclones that have warm sectors usually move ______． A．westerly B．parallel to the isobars in the warm sector C．toward the nearest high pressure area D．faster than the accompanying cold front B 19.Fetch is the ______．
A．Distance a wave travels between formation and decay B．Stretch of water over which a wave-forming wind blows C．Time in seconds required for two crests to pass a given point D．Measurement of a wave's steepness B 20.Fog forms when the air ______． A．Is 50% water saturated B．Is 90% water saturated C．Temperature is greater than the dew point temperature D．Temperature is equal to，or below the dew point temperature D 21.Good weather is usually associated with a region of ______．
A．low barometric pressure
B．high barometric pressure C．falling barometric pressure D．pumping barometric pressure B 22.Haze is not caused by ______．
A．forest fires
B．smoke from industrial areas C．dust or sand storms
D．water droplets with the relative humidity more than 95% B 23.High pressure ridge ______ from Sevastopol to eastern Libya．
A．Reaching
B．Extending
C．Increasing
D．Upgrading B 24.Hurricanes may move in any direction．However，it is rare and generally of short duration when a hurricane in the Northern Hemisphere moves toward the ______． A．West or northwest
B．Northeast
C．Southeast
D．North C 25.If you are caught in the left semicircle of a tropical storm，in the Southern Hemisphere，you should bring the wind ______．
A．On the starboard quarter，hold course and make as much way as possible B．2 points on the port quarter，and make as much way as possible C．On the port bow，and make as much way as possible D．Dead ahead and heave to C
26.If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon ______．
A．The center of the storm will by-pass you B．The storm will strike you on the starboard side C．You are in the direct path of the storm and should take immediate steps to batten down loose gear D．The storm is starting to break up A 27.In reading a weather map，closely spaced pressure gradient lines would indicate ______．
A．High winds B．High overcast clouds C．Calm or light winds D．Fog or steady rain A 28.In regions near the poles，the winds are generally described as ______．A．Westerlies B．Easterlies C．Northerlies D．Southerlies B 29.In the doldrums you can expect ______． A．Steady，constant winds B．Frequent rain showers and thunderstorms C．Steep pressure gradients
D．Low relative humidity B 30.In the Northern Hemisphere a wind is said to veer when the wind ______． A．Changes direction clockwise，as from north to east，etc．B．Changes direction violently and erratically C．Remains constant in direction and speed D．Changes direction counterclockwise，as from south to east，etc． A 31．In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the ______．A．Southwest，clockwise to northwest B．Northeast，clockwise to west-southwest C．Northeast，counterclockwise to northwest D．East，counterclockwise to south-southwest A 32.In the Northern Hemisphere，if your vessel is in a hurricane's navigable semicircle it should be positioned with the wind on the ______．
A．Starboard quarter，hold course and make as much speed as possible B．Port bow，hold course and make as much speed as possible until the hurricane has passed C．Port quarter，maintain course and make as much speed as possible D．Starboard bow and heave to until the hurricane has passed A
33.In the Northern Hemisphere，the right half of the storm is known as the dangerous semicircle because ______．A．the wind speed is greater here since the wind is traveling in the same general direction as the storm's track B．the direction of the wind and seas might carry a vessel into the path of the storm C．the seas are higher because of greater wind speed D．All of the above D 34.In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your ______．A．NNW B．WSW C．ESE D．SSW C 35.In the relatively calm area near the hurricane center，the seas are ______． A．moderate but easily。