2023年《輪機英語》考試參考題庫500題（含答案）

PAGEPAGE1492023年《輪機英語》考試參考題庫500題（含答案）一、單選題1.Maximumpressurereadingsshouldbetakenwhentheengineisrunningon_____assteadilyaspossible.()A、fullloadB、halfloadC、lowloadD、noload答案：A2.Theprimaryfunctionofanelectricmotoristo_____.()A、developtorqueB、generatehighvoltagesC、produceamagneticfieldD、generatehighelectricalresistance答案：A3.FuelinjectionusesthejetpumpsystemandaWoodwardtypehydraulic_____isusedtocontrolenginespeed.()A、controllerB、governorC、instrumentD、apparatus答案：B4.Theemergencyswitchboarddoesn'thave_____.()A、controlpanelB、parallelingpanelC、loadpanelD、bus-bar答案：B5.Pleasetellmetheaveragebunkeringspeedforyourship.()A、I'dliketoknowtherateofbunkering.B、I'dliketoknowthesignalforbunkering.C、I'dliketoknowthespeedofyourship.D、I'dliketoknowthetonnageofyourship.答案：A6.Afire-tubeboilerincludesthefollowingponentsexcept_____.()A、uptakesB、downersC、smokeboxesD、furnaces答案：B7.Duringthewatchkeepingatsea,theengineerinchargeshouldnotify_____intheeventofanyseriousoccurrenceorasituationwhereheisunsureoftheactiontotake.()A、themasterB、thechiefengineerC、thebridgeD、thepanysuperintendent答案：B8.Theelectricalpowerissuppliedfromthegeneratorsto_____fromwhereitisdistributedtoallpartsoftheshipthroughnumerousbreakersandrelays.()A、thedistributionboxB、themainswitchboardC、thesectionboardD、theemergencyswitchboard答案：B9.Pleasetellmethespecificgravityofthefueloil.()A、What'stheviscosityofthefueloil?B、What'sthespecificgravityofthefueloil?C、What'swrongwiththefueloil?D、What'swrongwiththedieseloil?答案：B10.Inatwo-strokeengine,thepistonconsistsoftwoparts,thelowerpartisnamedas_____andusuallymadeofcastiron.()A、pistonheadB、pistongrooveC、pistonskirtD、pistoncrown答案：C11.Theloadsharingcharacteristicsoftwodieselgeneratorsoperatinginparallelaremostlydependentontheirgovernor_____.()A、loadlimitsettingsB、idlespeedsettingsC、speedlimitsettingsD、speeddroopsettings答案：D12.Anumberofcylinderlinersareenclosedinonecastironcasingtoforma_____.()A、cylindercoverB、cylinderblockC、cylinderframeD、bed-plate答案：B13.Pleasetellmethesizeofyourpipeconnection.()A、Whatdiameterisyourpipeconnection?B、Whereisyourpipeconnection?C、HowcanIconnectyourpipe?D、WhencanIconnectyourpipe?答案：A14.Pleasetransfer15.5tonsofballastwaterfromNo.1porttoNo.2starboard.()A、Theamountofballastwatertransferredis15.5tons.B、Therewillbetotally50.5tonsofballastwatertransferred.C、TheballastwaterwillbetransferredfromNo.2toNo.1.D、Notransferwiththeballastwater.答案：A15.Youareinchargeofelectricalworkonboard.()A、Youhaveelectricalcertificate.B、Hastheelectricalequipmentbeenchecked?C、Hastheelectricalequipmentbeencleaned?D、Youareresponsiblefortheelectricalwork.答案：D16.In_____thecontrolactionisindependentoftheoutput.()A、aclosedloopcontrolsystemB、anopenloopcontrolsystemC、aboilercontrolsystemD、asteeringgearcontrolsystem答案：B17.Closethelowerandupperseawaterinletvalvesimmediately.()A、Shutoffboththelowerandupperseawaterinletvalvesatonce.B、Shutoffboththelowerandupperseawateroutletvalvesatonce.C、Closetherightseawaterinletvalvenow.D、Closeeithertheupperorlowerseawaterinletvalvesrightnow.答案：A18.Tocloseabutterflyvalve,itisonlynecessarytoturnthehandle_____.()A、AturnB、HalfofaturnC、One-thirdofaturnD、Aquarterofaturn答案：D19.ThePortStateControlofficermaywitnessafiredrillcarriedoutbythecrewassignedtothesedutiesonthe____.()A、NavigationLogBookB、EngineRoomLogBookC、OilRecordBookD、MusterList答案：D20.Lubeoilfiltersremovecontaminantsfromoilmoreefficientlyiftheoilbeingfilteredis_____.()A、heatedtoreduceviscosityB、cooledtoincreaseviscosityC、pumpedrapidlythroughthefilterD、pumpedthroughthefilterunderhighpressure答案：A21.Wehavearecordforthetrainingandeducation.()A、Wehavefinishedthetrainingandeducation,buthavenorecord.B、Wehavefinishedthetrainingandeducationandhavearecord.C、Wehaveaplanforthetrainingandeducation.D、Wehaveaplanforrepairing.答案：B22.Raisethefirepumppressureto5bars.()A、Raisethefirepumpto5thfloor.B、Raisetheboilerpressureto5bars.C、Adjustthefirepumppressureto5bars.D、Replacethefirepumpin5hours.答案：C23.Wewillbunkerdieseloilfirstandthenfueloil.()A、Wepumpdieseloilandfueloilatthesametime.B、We'llpumpfueloilfirstthendieseloil.C、Thereisnosequenceforbunkeringdieseloilandfueloil.D、Dieseloilwillbepumpedfirstthenfueloil.答案：D24.The_____,cagerotorinductionmotoristhefirstchoicemarinemotorinmostmodernshipsbecauseofitselectricalandmechanicalsimplicity.()A、singlephaseB、twophaseC、threephaseD、fourphase答案：C25."Inabilitytoprovideforthefirstwatchatthemencementofavoyageandforsubsequentrelievingwatchespersonswhoaresufficientlyrestedandotherwisefitforduty"isconsideredtobeoneofthedetainabledeficienciesunder_____.()A、theSOLASConventionB、theMARPOLConventionC、theSTCWConventionD、theLOADLINEConvention答案：C26.Pleasetestemergencyfirefightingpumpeachweek.()A、Theemergencyfirefightingpumpistestedeachmonth.B、Theemergencyfirefightingpumpistestedeachweek.C、Theemergencyfirefightingpumpistestedeachday.D、Theemergencyfirefightingpumpistestedtwoweek.答案：B27.Astheamountofmoistureintheairincreases,thedifferencebetweenthedrybulbandwetbulbtemperatureswill_____.()A、increaseB、decreaseC、remainunchangedD、begreatestatdewpoint答案：B28.Apreventivemaintenanceandrepairsystemistheprevailingapproachinmodernshipoperations.Itmeansthatmaintenanceandrepairsarecarriedout_____.()A、whenfailuresoccurB、duringfailuresoccurC、beforefailuresoccurD、afterfailuresoccur答案：C29.Ifavesselissteamingatasteadyrate,andthewaterlevelhasdroppedoutofsightintheboilergageglass,theFIRSTcorrectiveactionshouldbeto_____.()A、openthefeed-waterbypassregulatorB、blowdowntheboilergaugeglassC、slowdowntheenginesD、cutoutthefires答案：D30.Ifaradialpistonhydraulicpumpfailstodeliverratedfluidvolume,thecausecanbe_____.()A、contaminatedfluidB、pittedthrustringsC、wornpintlebearingsD、obstructedsuctionspassage答案：D31.Pleaseshowmetherepairrecordingforthemainengine.()A、Iwillchecktherepairrecordingoftheauxiliaryengine.B、Iwillchecktherepairrecordingofthesteeringgear.C、Iwillchecktherepairrecordingofthemainengine.D、Iwillchecktherepairrecordingofthecrane.答案：C32.Thethreelargestcategoriesofshipsarecontainerships,____(forbulkgoodssuchasgrain,coal,ores,etc.)andtankers,whichagaincanbedividedintomorepreciselydefinedclassesandtypes.()A、bulkcarriersB、generalcargoshipsC、passengershipsD、reefers答案：A33.Ammeteristomeasurethe_____.()A、currentB、voltageC、powerD、frequency答案：A34.Youcanhavethemat30dollarsforeachifyoubuymorethan5pieces.()A、Ifyouwanttobuythemat30dollarsforeachyouhavetobuy13pieces.B、Iwon'tsellthemtoyouatthepriceof30dollarsforeachunlessyoubuymorethan5pieces.C、Iwon'tsellthemtoyounomatterhowmanypiecesyouwillbuy.D、Iwillneversellthemtoyou.答案：B35.Largecrossheadtypeenginegenerallyhastwolubricationsystems,afunctionperformedonlybycrankcaseoilsystemis_____.()A、lubricatingB、coolingC、cleaningD、neutralizing答案：B36.Thereis1886tonsoffueloil,and24000litersoflubeoil,andsoon.()A、Thereis1886tonsofdieseloil,and24000litersoflubeoil.B、Thereare1886tonsoffueloil,and24000litersofdieseloil.C、Thereis24000tonsoffueloil,and1886litersoflubeoil.D、Theamountoffueloilis1886tons,andlubeoilis24000liters.答案：D37.Foracontinuousoperationdieselengine,aduplexfilterunitwouldbethebestarrangementbecause_____.()A、changingfilterelementswouldnotinterruptengineoperationB、filteringoccurstwiceineachpassofoilthroughthesystemC、cloggingwillnotoccurD、droppingpressureishalfofthatthroughasinglefilterunit答案：A38.Thischemicalsolutioncan'tbeusedtocleantheinternalpartoftheboiler.()A、Theexternalpartoftheboilercan'tbecleanedbythischemicalsolution.B、Thischemicalsolutioncan'tbeusedtocleantheexternalpartoftheboiler.C、Thischemicalsolutioncanbeusedtocleantheexternalpartoftheboiler.D、Theinternalpartoftheboilercan'tbecleanedbythischemicalsolution.答案：D39.The_____isfittedinthemainsteamsupplylineandisusuallyofthenon-returntype.()A、mainsteamstopvalveB、auxiliarysteamstopvalveC、feedcheckorcontrolvalveD、blowdownvalve答案：A40.Payattentiontothetemperatureofbunkeringoil.()A、Watchoutthetemperatureofbunkeringoil.B、Pleasetellmethetemperatureofbunkeringoil.C、Payattentiontothequalityofbunkeringoil.D、Makesureofthetemperatureofbunkeringoilnormal.答案：A41.ADCgeneratorisusedtosupplydirectcurrentinordertomaintainanACgeneratorfieldandisknownasa/an_____.()A、rotorB、statorC、exciterD、armature答案：C42.Theovercurrentrelay_____themotorcontactorwhenthemotorexceedsitsratedcurrent.()A、connectsB、tripsC、foulsD、destructs答案：B43.PleaseshowmesomesamplesofthegoodsIhaveordered.()A、I'dliketohavealookatthesamplesofthegoods.B、I'dliketokeepsomesamplesofthegoods.C、I'dliketoknowthelabelofthegoods.D、I'dliketoknowthekindofthegoods.答案：A44.Bunkeringshallbeterminatedifthereisa_____.①severeelectricalstorm②fireonthepier③fireontheship()A、①B、③C、②③D、①②③答案：D45._____belongstotheemergencypowersupplyequipment.()A、WinchB、WindlassC、AirpressorD、Steeringgear答案：D46.Theprimaryfunctionofanelectricmotoristo_____.()A、developtorqueB、generatehighvoltagesC、produceamagneticfieldD、generatehighelectricalresistance答案：A47.Pleasegiveusthespecialtoolstodismantlethehydraulicmotors.()A、Weneedspecialtoolstodismantlethehydraulicmotors.B、Weneedhydraulicmotorstodismantlethespecialtools.C、Weneedhydraulictoolstodismantlethemotors.D、Thehydraulicmotorsaredamaged.答案：A48.Themainsteeringgearmustbeabletosteertheshipatmaximumaheadservicespeedandbecapableatthisspeed,andattheship'sdeepestservicedraught,ofputtingtherudderfrom35degreesononesideto30degreesontheothersidewithinno_____.()A、morethan28secondsB、morethan60secondsC、lessthan28secondsD、lessthan60seconds答案：A49.ThemainpurposeofportStatecontrolisNOTto_____.()A、preventanunsafeshipproceedingtoseaB、preventashipthreateningthemarineenvironmentC、finetheshipsD、confirmasafesailing答案：C50.Immediatelyafteranydieselengineisstarted,theengineershouldcheckthe_____.()A、crankcasepressureB、lubeoilpressureC、saltwaterpressureD、exhausttemperature答案：B51.Checkthecrankshaftdeflectionsbeforeandafterrepair.()A、Thecrankshaftdeflectionsneedtobecheckedbeforerepair.B、Thecrankshaftdeflectionsneedtobecheckedafterrepair.C、Thecrankshaftdeflectionsneedtobecheckedbeforeandafterrepair.D、Pleasecheckthecrankshaftdeflectionswhencarryingoutrepairs.答案：C52.Whatisthespeedofthecrankshaftinafour-stroke/cycleenginewhenthecamshaftisturningat750rpm?()A、375RPMB、500RPMC、750RPMD、1500RPM答案：D53.Intheoilpurifier,theinterfacemoveoutsidethetopdisc,theoilwillescapethrough_____.()A、thesludgepassageB、thesludgeoutletC、theobserveglasspassageD、thewateroutlet答案：D54.Weneedashorecranetoshifttheengineashore.()A、Pleasearrangeacranefortheengineshifting.B、It'sdifficulttoshifttheengineashore.C、Ashorecraneisquiteabigmachine.D、It'shardtofindashorecrane.答案：A55.Hoursofrestmaybedividedintonomorethantwoperiods,oneofwhichshallbeatleast_____hoursinlength,andtheintervalbetweenconsecutiveperiodsofrestshallnotexceed_____hours.()A、6/12B、6/14C、8/12D、8/14答案：B56.Sealingbetweenthecrankcaseandscavengingairboxesisachievedbymeansofthepistonrod_____locatedinthebottomofthescavengingairboxes.()A、stuffingboxesB、glandC、sealingringD、baffle答案：A57.Insomemodernlargedieselengines,whichofthefollowingisusedasthesupportforthemainbearings?()A、BedplateB、BlockC、BaseD、Sump答案：A58.Maximumpressurereadingsshouldbetakenwhentheengineisrunningon_____assteadilyaspossible.()A、halfloadB、fullloadC、averageloadD、minimumload答案：B59.I'lloperatetelegraphandyouwillanswerit.()A、Theyarecheckingtheclock.B、Theyarecheckingthetelegraph.C、Theyarecheckingthesteeringgear.D、Theyarecheckingmainengine.答案：B60.Thereisonlyonepossibilitytocausethistrouble.()A、Thetroubleresultsfrommanycauses.B、It'simpossibletocausethetrouble.C、Onlyonecasecancausethetrouble.D、Thetroublecanonlycauseonepossibility.答案：C61.Payattentiontofirepreventionwhenwelding.()A、Drugshouldbepreventedwhenwelding.B、Clothesshouldbecaredwhenwelding.C、Watershouldbenoticedwhenwelding.D、Fireshouldbeavoidedwhenwelding.答案：D62.____notaponentofawindlass?()A、AcablelifterB、AsootblowerC、AmooringdrumD、Awarpend答案：B63.Ifyoudoanswerit,thetelegraphofhalfaheadmaybebad.()A、Theyaretalkingaboutthetelegraph.B、Theyarecheckingthetelegraph.C、Theyarediscussingthetelegraph.D、Theyareanalyzingcauseoffaults.答案：D64.Acircuitbreakerandafusehaveabasicsimilarityinthattheyboth_____.()A、canberesettoenergizethecircuitB、shouldopenthecircuitwhenoverloadedC、willburnoutwhenanovercurrentflowdevelopsD、shouldshortthecircuitwhenoverloaded答案：B65.I'llalsotakesamplesfromthewateraroundyourship.()A、Iwantthewatersamplesaroundyourship.B、Iwanttheoilsamplesaroundyourship.C、Iwanttobesuppliedwithsomewater.D、Iwanttotakesamplesofthewaterpump.答案：A66.Byregulationsthisoilpipecannotgothroughwatertightdoors.()A、Ruleslimitthisoilpipefromgoingthroughwatertightdoors.B、Thisoilpipecannotgothroughcabindoors.C、Thisoilpipecangothroughcabindoors.D、Thisoilpipeisproperlylocated.答案：A67.Smallerenginescanbemademorerigidthanlargeonesandmaynothave_____.()A、connectingrodsB、crankshaftC、crankcaseD、throughbolts答案：D68.FromtheHeavyFuelOilbunkertankthepreheatedfuelisledto_____.()A、theservicetankB、thesettlingtank.C、theHFOtankD、theMDOtank答案：B69.Apracticalwayofcheckingforexcessivefuelinjectioninonecylinderofanoperatingdieselengineisto_____.()A、feelthehighpressurefuellineB、checkthecylinderexhaustsforwhitesmokefrequentlyC、checkthecylinderexhausttemperatureD、isolateeachcylinderandinspecttheinjector答案：C70.OurshipwillpassthroughtheEnglishChannel.()A、OurshipwillpassthroughthePanamaCanal.B、TheshipwillpassthroughtheSuezCanal.C、TheshipwillgothroughtheEnglishChannel.D、TheshipwillcallatanEnglishport.答案：C71.Priortoanyoverhaulworkonelectricequipment,itisimportanttoensurethecircuitsare_____.()A、liveB、deadC、excitedD、online答案：B72.Thearrangementmustbealteredtomeetthenewrequirements.()A、Therearenotanynewrequirements.B、Thearrangementshouldnotbechanged.C、Thearrangementneedstobechanged.D、Thearrangementshouldberemade.答案：C73.ItwillbevalidtilltheendofJunenextyear.()A、ThedeadlineforthetermofvalidityistheendofJunethisyear.B、ThedeadlineforthetermofvalidityistheendofJunenextyear.C、Thedeadlineforthetermofvalidityistheendofnextyear.D、Thedeadlineforthetermofvalidityisunclear.答案：A74.IthinkallcrewsshouldhaveagoodknowledgeofMARPOLconvention.()A、AllcrewsmusthaveagoodknowledgeofMARPOLconvention.B、WhatdoyouthinkofMARPOLconvention?C、DoesanybodyknowMARPOLconvention?D、AllcrewsshouldhaveunderstoodMARPOLconvention.答案：A75.Pleaseaddthelubeoiltothecirculationtankformainengine.()A、Thecirculationtankisfull.B、Pumpoutthelubeoilinthecirculationtank.C、Thelubeoilhasbeenpumpedout.D、Thelubeoilshouldbeaddedintothecirculationtank.答案：D76.Youcantrymainengineonpowernow.()A、Nowyouareallowedtoturnonmainengine.B、Youcanstopmainenginenow.C、Youcanspeedupmainenginenow.D、Youcantakeanindicatedcardnow.答案：A77.Brinedensityinadistillingplantismeasuredwitha/an_____.()A、psychrometerB、salinometerC、anemometerD、sphygmomanometer答案：B78.Remembertoputthewasteintothegarbagecanondeck.()A、Throwwasteontodeck.B、Don'tforgettoputthegarbagetotherubbishcan.C、Carrytheunwantedmattertothegangway.D、Putthewastecanondeck.答案：B79.Fueloilisleakingtoseafromdeckscuppersstarboard.()A、Fueloilisleakingtoseafromthebunkeringstation.B、Fueloilisleakingtoseafromthebarge.C、Oilspilloccurredduetotheexistenceofdeckscuppers.D、Oilspilloccurredduetounblockeddeckscuppers.答案：D80.Apropeller,inordertooperateefficiently,mustrotateatarelatively_____speed.()A、highB、lowC、fastD、lowly答案：B81.A_____hastheauthoritytocheckthatforeignshipsvisitingitsportsmeetalltheappropriateconventionstandards.()A、flagStateB、coastalStateC、portstateD、memberstate答案：C82.Youshouldarrangetosupplyshorepowerandcoolingwaterontime.()A、Ourvesselhasrunoutoffreshwater.B、Ourvesselneedsshorepowerandcoolingwater.C、Thefreshwatergeneratoronourvesselisdamaged.D、Thegeneratorisbrokendown.答案：B83.Ifthecapacityofacentrifugalpumpdecreasesgraduallyoveralongperiodoftime,youshouldreplacethe_____.()A、packingglandB、mechanicalsealsC、lanternringsD、wearingrings答案：D84.Ourofficehoursarefrom07:00am.to16:00hours.()A、Wework8hoursaday.B、Wecanebackafter4p.m.C、Wemaygotoworkat8am.D、Ourofficeisopenalltheday.答案：B85.Acentrifugalpumpmayfailtodeliverwaterwhenfirststartedifthe_____.()A、watersealpipeispluggedB、pumpisnotprimedC、sealringisimproperlylocatedD、impellerisflooded答案：B86.Thecurrentrepairofyourvesselisneartheend.()A、Thecurrentrepairisfinished.B、Theshipyardrepairisproceedingnow.C、Thecurrentrepairwillbefinishedsoon.D、Thecurrentrepaircannotbefinishedatall.答案：C87.Pleaseinspecttheoilpressureofthesteeringgearsystematonce.()A、Whatisthematterwiththesteeringgear?B、Whatistheconditionofthesteeringgear?C、Changethesteeringgearintohand-drivensteeringgear.D、Checktheoilpressureofthesteeringgearsystemimmediately.答案：D88.Whenseparatinglubeoilinoilseparator,theoptimalseparatingquantityis_____oftheratedquantityonnameplate.()A、100%B、1/2C、1/5D、1/3答案：D89.Ireceivedsometrainingandeducationonoursafetymanagementsystem.()A、IhavegotsomeknowledgeonMARPOL.B、IhavegotsomeknowledgeonIOPP.C、IhavegotsomeknowledgeonSMS.D、IhavegotsomeknowledgeonPSC.答案：C90.I'mafraidourchiefengineerisengagedjustnow.()A、Ourchiefengineerisfreenow.B、Ourchiefengineerisbusynow.C、Ourchiefengineerisinengineroomnow.D、Ourchiefengineerisoutnow.答案：B91.Tosuccessfullyreduceanexcessivelyhighdieselengineexhaustgastemperature,youshould_____.()A、reducetheenginedrivenfuelpumpoutletpressureB、retardthefuelinjectortimingtoreducepowerC、increasethefuelracksettingD、reducetheloadontheengine答案：D92.OursafetymanagementsystemdocumentisintheChiefOfficer'shand.()A、TheChiefOfficerkeepsthedocument.B、TheSecondOfficerkeepsthedocument.C、TheThirdOfficerkeepsthedocument.D、TheFourthOfficerkeepsthedocument.答案：A93.Crankchamberoilsmusthavegoodlubricatingpropertiesandbeabletoresistruptureofthefilmseparatingthemovingpartsinorderto_____.()A、ensureminimumlubricationB、ensureminimumfrictionlossesC、ensurepropercoolingD、keeptouchwitheachother答案：B94.Whenaircoolingisinuseitisgoodpracticetokeepallportholes,windowsanddoors_____.()A、shutB、fullyopenC、openD、semiopened答案：A95.Thequalityoftheaircoolermadebythemisguaranteed.()A、Theyguaranteedtomaketheaircooler.B、Theyhavemadealargenumberofaircoolers.C、Thequalityoftheiraircoolerisgood.D、Theygrantedtomaketheaircooler.答案：C96._____isnotinstalledontheemergencyswitchboard.()A、ControlpanelB、ParallelingpanelC、LoadpanelD、Busbar答案：B97.Washtheinnerpartwithsodasolution.()A、Theinnerpartshouldbewashedwithhydrochloricacidsolution.B、Theinnerpartshouldbewashedwithacidsolution.C、Theinnerpartshouldbewashedwithsodasolution.D、Theinnerpartshouldbewashedwithseawater.答案：C98.I'dliketoknowsomethingaboutrepairforauxiliaryengine.()A、Iwanttoknowrepairprogressoftheauxiliaryengine.B、Therepairingoftheauxiliaryengineissomething.C、Yourrepairoftheauxiliaryengineiswellknown.D、Iliketorepairyourauxiliaryengine.答案：A99.Whichofthefollowingconditionswouldcause‘panting'inasteamingauxiliaryboiler?()A、InsufficientbustionairB、LowwaterlevelC、FlamefailureD、Faultyflamescanner答案：A100.Themainoperatingcharacteristicofdieselengineswhichdistinguishesthemfromotherinternalbustionenginesisthe_____.()A、methodofsupplyingairB、coolingsystemC、methodofignitingfuelD、valveoperatingmechanism答案：C101.After“FWE”isgiven,theairsystemisshutdown,the_____gearputin,alldrainsandindicatorcocksopened,andthecoolingwaterkeptrunning.()A、steeringB、timingC、turningD、running答案：C102.Carryouttheartificialrespirationimmediately.()A、Carrythewoundedpersonimmediately.B、Dothe'rescuebreaths'immediately.C、Sendthewoundedpersontoahospitalimmediately.D、Keephisrespirationsteadyimmediately.答案：B103.Onolderships,temperaturemaintenancecanbemadeeasierbyincreasingthe_____ofrecirculatedtofreshair.()A、rateB、ratioC、percentageD、permillage答案：B104._____speedenginesoperateinspeedrangesfrom300to1000rpm.()A、SlowB、MediumC、HighD、Deadslow答案：B105.ReporttheemergencysituationtotheCaptainatonce.()A、ReporttheemergencysituationtotheCarpenteratonce.B、Reporttheemergencysituationtothepanyatonce.C、ReporttheemergencysituationtotheMasterimmediately.D、ReporttheemergencysituationtotheChiefengineerimmediately.答案：C106.Iwanttoknowwhenwegetyourrepairlist.()A、I'dliketoknowtheplaceyoureceivedourrepairlist.B、I'dliketoknowifyouagreetotherepairlist.C、I'dliketoknowthetimewegetyourrepairlist.D、I'dliketodiscusstherepairlistwithyou.答案：C107.Awasteheatboilerisinstalledonsomedieselpropelledvesselsto_____.()A、providesteamforemergencypropulsionB、providesteamfortheturbo-generatorC、heatthewastewatertanksD、steamforwarmingengines答案：B108.Acontrollablepitchpropelleronadieseldrivenvesseleliminatestheneedfor_____.()A、frictionclutchesB、disconnectclutchesC、reversinggearsD、reductiongears答案：C109.Ithassomethingtodowiththelastrepair.()A、Youhavesomethingtoberepaired.B、Yourepairedsomethinglasttime.C、Itisrelativetothelastrepair.D、Thereissomethingwrongsincelastrepair.答案：C110.Whatisthefunctionoftheafter-coolersinstalledinthedieselengineairintakesystem?()A、DecreasetheairdensityB、IncreasetheexhausttemperatureC、DecreasethelubeoiltemperatureD、Increasetheairdensity答案：D111._____belongstoemergencypowersupplyingequipment.()A、CargowinchB、WindlassC、SteeringgearD、Airpressor答案：C112.Thiskindofcouplingboltsisnolongerinproductioninourpany.()A、Wemadethiskindofcouplingboltsbefore.B、Thecouplingboltsaremadetoolong.C、Thiskindofboltshasneverbeenproducedbyourpany.D、Weneverhavethiskindofboltsinproduction.答案：A113.Thesensibleheatofairisdependentuponthe_____.()A、drybulbtemperatureB、wetbulbtemperatureC、saturationtemperatureD、watervaporsuperheat答案：A114.Whenaircoolingisinuseitisgoodpracticetokeepallportholes,windowsanddoors_____.()A、shutB、fullyopenC、openD、semi-opened答案：A115._____hasasimultaneoussuctionactionanddischargeaction.()A、ThesingleactingdisplacementpumpB、theCentrifugalpumpC、ThedoubleactingdisplacementpumpD、theGearwheelpump答案：C116.Oneendofacylinderforamediumorhigh-speeddieselengineissealedbythepistonandrings,theotherendissealedbythe_____.()A、crankcaseB、cylinderheadC、valvecoverD、engineframe答案：B117.Pleasestandbyengineat18:00.()A、Pleaseprepareforengineat17:00.B、Pleasemakethepreparationforengineat16:00.C、Standingbyenginehasbeencarriedoutat18:00.D、Standingbyenginehasbeenfinishedat18:00.答案：C118._____areusedforhaulinginorlettingoutthewireswhichfastentheshiptotheshore.()A、CargowinchesB、MooringwinchesC、WindlassesD、Cargohatches答案：B119.Beforebeingusedthefuelservicetankshouldbedrainedof_____.()A、sodasolutionB、mechanicalimpuritiesC、ballastD、waterandresiduals答案：D120.Ourshiphasgotallthenecessaryfacilitiestopreventanypollution.()A、Ourshiphastheabilitytopreventanypollution.B、Ourshiphastheabilitytowithstandroughsea.C、Ourshiphastheabilitytowithstandbadweather.D、Ourshiphastheabilitytopreventmarineperils.答案：A121.Theflashpointofaresidualfueloilshouldbeusedtodeterminethehighesttemperaturetowhichtheoilmaybeheated_____.()A、foratomizingB、forcentrifugingC、inastoragetankD、inthere-circulatingline答案：C122.Don'tturnonNo.2generatorenginewithoutbeingasked.()A、Don'tstartNo.1generatorengineifbeingasked.B、Don'tstartNo.2generatorengineifbeingasked.C、Don'tstartNo.1generatorengineuntilbeingasked.D、Don'tstartNo.2generatorengineuntilbeingasked.答案：D123.Theboilercertificateiskeptintheroomofthechiefengineer.()A、Theboilercertificatewassignedbythechiefengineer.B、Thechiefengineerisintheboilerroom.C、Thechiefengineertakestheboilercertificatetotheboilerroom.D、Thechiefengineerkepttheboilercertificate.答案：D124.Ifacentrifugalpumpisdrivenbyaconstantspeedelectricmotorandproducesadischargepressurelessthandesigned,thecauseisprobably_____.()A、excessivepumpspeedB、excessivesuctionheadC、wornwearingringsD、grosspumpmisalignment答案：C125.Apistoninafour-stroke/cycledieselenginemakesfourstrokesduringeach_____.()A、crankshaftrevolutionB、mechanicalcycleofoperationC、periodoftwobustioncycleD、cycleoftwoevents答案：B126.Thereisnoneedforovertimework,Ithink.()A、Itisnecessarytodosomeovertimework.B、Idon'tthinkweshoulddosomeovertimework.C、Weneedsomeadditionaljobs.D、Wecannotdotheadditionalitems.答案：B127._____ofdifferentthicknessareinsertedbetweentheshellstoenableadjustmentofthebearingclearances.()A、ScrewsB、FilmsC、DiscsD、Shims答案：D128.Stopvalveshouldbecrackedopenwhenthegaugeonboilerindicatesto5bars.()A、Stopvalveshouldbeopenedgradually.B、Stopvalveshouldbeopenedalittle.C、Stopvalveshouldbeopenedatthebeginning.D、Stopvalveshouldnotbeopeneduntilsafetyvalveactuates.答案：B129.Theairofrefrigeratingcoolantsshouldberemovedpletely.()A、Purgetheairpletely.B、Purgetherefrigeratingcoolantspletely.C、Purgetheairandrefrigeratingcoolantspletely.D、Purgetheairofrefrigeratingcoolantspletely.答案：D130._____belongstoemergencypowersupplyingequipments.()A、CargowinchB、WindlassC、SteeringgearD、Airpressor答案：C131.Thepumphasaconstantstrokeandtheamountoffueldeliveredisregulatedbyrotating_____speciallyarrangedhelicalgroovecutintoit.()A、thepumpcylinderB、thepumpcamC、thepumpplungerD、thepumpmiler答案：C132.Asuperchargeddieselengine,whenparedtoasimilarnaturallyaspirateddieselengine,willdevelopanincreasein_____.()A、ignitionlagB、enginehorsepowerC、lubeoilsystempressureD、specificfuelconsumption答案：B133.Theoilpany'sbargewillealongsideyourshipat2o'clocktomorrowafternoon.()A、I'llarrangeforanoilbargetoetoyou.B、Youcantakebunkeringat1400hourstomorrow.C、You'lltakebunkeringat2o'clockthisafternoon.D、Yourpanywillsendanoilbargetoyou.答案：B134.Ifausedlubeoilanalysisindicatesanexcessivechromatecontent,thismeans_____.()A、airfiltrationisinadequateB、enginecoolantisleakingintothelubeoilC、fueloilisleakingintothelubeoilD、thepistonringsareexcessivelyworn答案：B135.Thecraneisusuallymountedonapedestaltoofferadequate_____totheoperator.()A、timeB、spaceC、lengthD、visibility答案：D136.Openingofthecylinder_____willadmitpressedairintothecylinder.()A、safetyvalveB、startvalveC、blow-downvalveD、indicatorcock答案：B137.No.1generatorhasbeenrunningfor3000hrswithoutbeingchecked.()A、No.1generatorisbeingchecked.B、No.1generatorhasn'tbeeninspectedfor3000hrs.C、No.1generatorshouldn'tbecheckedwhileitisrunning.D、No.1generatorhasn'tbeeninspectedfor2000hrs.答案：B138.Deckmachinerymotorswhenfittedwithanti-condensationheaterswhichshouldbeenergizedonlywhentherelevantdeckmachineryunitsare_____.()A、workingB、notinuseC、normalD、used答案：B139.Fueloilbeginsinjectionintothecylinderofafour-stroke/cycledieselengineduringthe_____.()A、intakestrokeB、exhauststrokeC、powerstrokeD、pressionstroke答案：D140.Whataboutthemostworkingtemperatureoftheelectricmotor?()A、I'dliketoknowthemostworkingpoweroftheelectricmotor.B、I'dliketoknowthemostworkingvoltageoftheelectricmotor.C、I'dliketoknowthemostworkingfrequencyoftheelectricmotor.D、I'dliketoknowthemostworkingtemperatureoftheelectricmotor.答案：D141.Thedamagedfreshwatercoolingpumpshouldberepaired.()A、Freshwatercoolingpumpisnewlyinstalled.B、Thefeedwaterpumpshouldberepaired.C、Freshwatercoolingpumpneedsreplacing.D、Freshwatercoolingpumpshouldberepaired.答案：D142.Youshouldreducethepumpingspeedto80tonswhenthetankisnearlyfull.()A、Atthebeginningofbunkering,thepumpingspeedis80tons.B、Atthebeginningofbunkering,youshouldreducethepumpingspeed.C、Whenthetankistoppingoff,youshouldreducethepumpingspeed.D、Whenthetankistoppingoff,youshouldincreasethepumpingspeed.答案：C143.Oh,I'llcheckitinourengineroomlogbook.()A、I'lllookaroundourengineroom.B、I'llinspectourengineroom.C、I'lllookthroughthelogbook.D、Pleasetakecareofourengineroomlogbook.答案：C144.WhichofthefollowingmodesofheattransferdoesNOTrequireanyphysicalcontactbetweenawarmerandacoolersubstance?()A、RadiationB、ConductionC、NaturalconvectionD、contactdirectly答案：A145.Ifafireignitesintheengineroomasaresultofahighpressurefueloilleak,youshouldFIRST_____.()A、securetheventilationB、findasodaacidextinguisherC、shutoffthefueloilsupplyD、securethegenerator答案：C146.Thecapaci