9航海气象.docx
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9航海气象.docx
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9航海气象
9航海气象
9.2海上气象报告与气象导航
951.Whenwindsofforcereach10-11inBeaufortScale,usuallywecallsuchwindsas______.
A.HurricaneB.BreezeC.StormD.Gale
KEY:
C
952.TheRoutingSystemwhichaimedatreducingtheriskofcasualtiesiscalledas______.
A.TrafficSeparationSchemesB.RecommendedtracksC.PrecautionaryareasD.Inshoretrafficzones
KEY:
A
953.______LOWELYSLWLYWITHCOLDFRONTFMCENTO12N179WANDWARMFROMFMCENTO11N171W.
A.SHLWB.SCTDC.OBSD.SW
KEY:
A
954.______movingratherquicklyeastexpected150milessouthofCapeFarewell972by160000GMT.
A.DevelopedlowB.DevelopinglowC.BeingdevelopedlowD.Lowtobedeveloped
KEY:
B
955.______rainmeansitrainsinsomepartsofthearea.
A.SquallyB.IsolatedC.ScatteredD.Occasional
KEY:
C
956.{Onaccountof}thebadweather,myETAisamendedtoread1830hisonJuly15th.
A.FortheaccountofB.BecauseC.OwingtoD.Forfearof
KEY:
C
957.Acoldfrontmovinginfromthenorthwestcanproduce______.
A.thunderstorms,hail,andthenrapidclearingB.increasingcloudcoverlastingforseveraldays
C.lengthywetweatherD.lowceilingswiththickcirrusclouds
KEY:
A
958.Afeatureofaninflatableraftwhichhelpskeeppeoplestationaryinroughweatheris______.
A.lashingsontheflooroftheraftforthepassenger'sfeetB.strapsfromtheoverhead
C.lifelinesontheinsideoftheraftD.ridgesintheflooroftheraft
KEY:
C
959.Alineonaweatherchartconnectingplaceswhichhavethesamebarometricpressureiscalledan______.
A.isothermB.isallobarC.isobarD.isotope
KEY:
C
960.Alocalwindwhichoccursduringthedaytimeandiscausedbythedifferentratesofwarmingoflandandwaterisa______.
A.foehnB.chinookC.landbreezeD.seabreeze
KEY:
D
961.Alocalwindwhichoccursduringthedaytimeandiscausedbythedifferentratesofwarmingoflandandwaterisa______.
A.FoehnB.ChinookC.landbreezeD.seabreeze
KEY:
D
962.Alow,uniformlayerofcloudresemblingfog,butnotrestingontheground,iscalled______.
A.cumulusB.nimbusC.stratusD.cirrus
KEY:
C
963.Amercurialbarometeratseaissubjecttorapidvariationsinheight(pumping)duetothepitchandrollofthevessel.Toavoidthiserror,measurementsofatmosphericpressureatseaareusuallymeasuredwitha(n)_____.
A.syphonbarometerB.cisternbarometerC.aneroidbarometerD.fortinbarometer
KEY:
C
964.Amicrobarographisaprecisioninstrumentthatprovidesa______.
A.chartedrecordofatmospherictemperatureovertime
B.chartedrecordofatmosphericpressureovertime
C.graphicrecordofcombustiblegasesmeasuredinanatmosphere
D.graphicrecordofvaporpressurefromaflammable/combustibleliquid
KEY:
B
965.Amillibarisaunitof______.
A.humidityB.precipitationC.pressureD.temperature
KEY:
C
966.Aseabreezeisawind______.
A.thatblowstowardstheseaatnightB.thatblowstowardsanislandduringtheday
C.causedbycoldairdescendingacoastalinclineD.causedbythedistantapproachofahurricane
KEY:
B
967.Asylphoncellisapartofa______.
A.maximumthermometerB.barographC.thermographD.hygrometer
KEY:
B
968.Atropicalcyclonehasrecurvedandenteredtemperatelatitudes.IntheNorthernHemispherewhenalargehighpressuresystemliesnorthofthestorm,whatsituationmayoccur?
A.Thelowmaysuddenlydeepen,andthecycloneintensifyandpickupspeed.
B.Theleftsemicirclemaybecomethedangeroussemicircle.
C.Thelowandthehighmaymergeandcancelouttheweathercharacteristicsofeach.
D.Thehighmayforcethecyclonetoreverseitstrack.
KEY:
B
969.Atropicalstormisbuildingstrengthsomedistancefromyourship.Wavesarecomingfromtheeast,withperiodsincreasingfrom5secondsto15seconds.Theswellisfromtheeast.Wherewasthestormwhenthesenewswellsweregenerated?
A.TothenorthofyouB.TothesouthofyouC.TotheeastofyouD.Tothewestofyou
KEY:
C
970.Atropicalwaveislocated200milesduewestofyourposition,whichisnorthoftheequator.Wherewillthewavebein24hours?
A.FartherawaytothewestB.FartherawaytotheeastC.InthesameplaceD.Closerandtothewest
KEY:
A
971.Atropicalwaveisusuallyprecededby______.
A.tropicalstormsB.goodweatherC.heavyrainandcloudinessD.heavyseas
KEY:
B
972.Aweatherforecaststatesthatthewindwillcommencebacking.IntheNorthernHemisphere,thiswouldindicatethatitwill______.
A.shiftinaclockwisemannerB.shiftinacounterclockwisemanner
C.continueblowingfromthesamedirectionD.decreaseinvelocity
KEY:
B
973.Aweathermapisasynopticdatabecauseit______.
A.summarizesagreatdealofinformationB.canbeinterpretedaccurately
C.appearsdailyD.ispreparedbytheWeatherBureau
KEY:
A
974.AWINDBLOWSROUNDANTICLOCKWISEdefines______.
A.Backing(ofwind)B.Beach(to)C.Veering(ofwind)D.Maintainingdirectionofthewind
KEY:
A
975.Afteracoldfrontpassesthebarometricpressureusually______.
A.fluctuatesB.remainsthesame
C.remainsthesame,withcloudsformingrapidlyD.rises,oftenquiterapidly,withclearingskies
KEY:
D
976.Afteracoldfrontpasses,thebarometricpressure______.
A.drops,andthetemperaturedropsB.drops,andthetemperaturerises
C.rises,andthetemperaturedropsD.rises,andthetemperaturerises
KEY:
C
977.AllofthefollowingareassociatedwithcumulonimbuscloudsEXCEPT______.
A.steadyrainfallB.hailstormsC.thunderstormsD.tornadoesorwaterspouts
KEY:
A
978.Anairmassistermedwarmif______.
A.itisabove70°FB.thegroundoverwhichitmovesiscoolerthantheair
C.itoriginatedinahighpressureareaD.itoriginatedinalowpressurearea
KEY:
B
979.Ananeroidbarometerisaninstrument______.
A.usedtomeasurethespeedofwindB.inwhichthepressureoftheairismeasured
C.thattellswhichdirectionastormiscomingfromD.usedtomeasuretheheightofwaves
KEY:
B
980.Anoccludedfrontonaweathermapiscolored______.
A.bluelineB.purplelineC.dashedbluelineD.alternateredandblueline
KEY:
B
981.Anticyclonesareusuallycharacterizedby______.
A.dry,fairweatherB.highwindsandcloudiness
C.gustinessandcontinuousprecipitationD.overcastskies
KEY:
A
982.Asthetemperatureforagivenmassofairincreases,the______.
A.dewpointincreasesB.dewpointdecreases
C.relativehumidityincreasesD.relativehumiditydecreases
KEY:
D
983.BASHI:
ETOSE9-10.500MINHVYSQUALLYSHWRSANDTS.SEA8-9M.SWELLSE6-7M.Fromtheaboveforecast,thewindinBeaufortScalewillbe______.
A.STRONGGALETOSTORMB.GALETOSTRONGGALE
C.NEARGALETOGALED.STRONGBREEZETONEARGALE
KEY:
A
984.CAPEWESTWINDWESTTOSOUTHWEST15TO20KNOTSWEATHERSHOWERS.Thisdescriptionislikelytobeundertheheadingof______.
A.FORECASTB.STORMWARNINGC.GENERALSITUATIOND.MAPANALYSIS
KEY:
A
985.Duringthevoyageheencounteredboisterouswindsandheavyweatherduringwhichtimethevessel______heavilyandtosuchanextentthatattimesitwasnecessarytochangecourse.
A.movedB.laboredC.droveD.went
KEY:
B
986.Duringthevoyagemyship______badweatherinthePacificOcean.
A.meetswithB.hasmetwithC.metwithD.meetedwith
KEY:
C
987.Especiallyinadverseweather,riskofcollisionwithanoffshoresupplyvesselincreaseswhenthevesselismooredtowhatsideoftheunit?
______.
A.UpwindB.DownwindC.CrosswindD.Downcurrent
KEY:
A
988.Fleetweatherforecastmessagesaretheexpectedconditionsin______.
A.acertainareaB.alloceanareasC.someareasD.importantareas
KEY:
A
989.Foranaccuratebarometercheck,youwould______.
A.checkitwithabarometeronanothervessel
B.takereadingsfromseveralbarometersandaveragethem
C.checkitwiththebarometerattheshipchandlery
D.checkitagainstradioorNationalWeatherServicereportsoftheimmediatevicinity
KEY:
D
990.Galewarningsareusuallyissuedwhenwindsof______8-9areexpected.
A.windSpeedB.AirForceC.windVelocityD.BeaufortForce
KEY:
D
991.HIGHWAVES;DENSESTREAKSOFFOAMALONGTHEDIRECTIONOFTHEWIND;CRESTSOFWAVESBEGINTOTOPPLE,TUMBLEANDROLLOVER;SPRAYMAYAFFECTVISIBILITY.Thisconditionislikelytobetermed______.
A.strongbreezeB.neargaleC.galeD.stronggale
KEY:
D
992.Ifaweatherbulletinshowsthecenterofalowpressuresystemtobe100milesdueeastofyou,whatwindscanyouexpectintheSouthernHemisphere?
______.
A.South-southwesterlyB.North-northwesterlyC.South-southeasterlyD.North-northeasterly
KEY:
A
993.Iftheskywasclear,withtheexceptionofafewcumulusclouds,itwouldindicate______.
A.rainB.hurricaneweatherC.fairweatherD.fogsettingin
KEY:
C
994.Ifyourweatherbulletinshowsthecenterofalowpressureareatobe100milesdueeastofyourposition,whatwindscanyouexpectintheNorthernHemisphere?
______.
A.EasttonortheastB.EasttosoutheastC.NorthtonorthwestD.Southtosoutheast
KEY:
C
995.InBeaufortScale,thewindforce7withspeedof28-33knotsisdefinedas______.
A.ModerategaleB.NeargaleC.StronggaleD.Wholegale
KEY:
B
996.INTERTROPICALCONVERGENCEZONEOVERSOUTHPHILIPPINEPASSINGOVERMINDANAONORTHERNSULUANDPALAWAN.Thisparagraphislikelytobeundertheheadingof______.
A.GALEWARNINGB.24HOURSFORECASTC.SYNOPSISD.STORMWARNING
KEY:
C
997.Itispredictedthatheavyrainsare______tofloodtheharboranditsvicinityinafewdays.
A.frighteningB.threateningC.scatteringD.warning
KEY:
B
998.Mechanicalliftingofairbytheupslopesl
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