輪機(jī)英語題目海事局審核題庫（精簡300題版）

PAGEPAGE89輪機(jī)英語題目海事局審核題庫（精簡300題版）一、單選題1._____ensuresthatthecorrectlogicalsequenceofeventsoccursovertheappropriateperiod.()A、ProgrammingandtimingunitB、MonitoringunitC、StripindicatorD、Ahead/asternselector答案：A2.TheMastershouldcall_____forpermissiontousechemicalagentsinresponsetooilpollutionintothesea.()A、theflagstateB、thecoastalstateC、theportstateD、theshippingpany答案：B3.Theengineerisinspectingtheoilywaterseparator.()A、Theoilywaterseparatorisbeingchecked.B、Theoilywaterseparatorisbeingdismantled.C、Theengineeristalkingabouttheoilywaterseparator.D、Theoilywaterseparatorisbeingrepaired.答案：A4.Thecleanedheatedoil,afterpassingthroughthecentrifuges,istobepumpedtoa_____.()A、settlingtankB、servicetankC、ballasttankD、draintank答案：B5.Whentransmittedbyareductiongear,dieselenginespeedisreducedandthetorqueavailableforwork_____.()A、remainsthesameB、isreducedC、isincreasedD、iseliminated答案：C6.Theoilbargewillealongsideourshipat3o'clocktomorrowafternoon.()A、I'Ilarrangeforanoilbargetoetoyou.B、We'lltakebunkeringatabout3p.m.tomorrow.C、Wecantakebunkeringat1400hourstomorrow.D、Ourpanywillsendanoilbargetoship.答案：B7.Wefoundsomethingwrongduringseatrialafterpletedmooringtrial.()A、Mooringtrialwassuccessful.B、Onlyseatrialwasdone.C、Seatrialwasdonesuccessfully.D、Notrialwasdone.答案：A8.Anaccidentalpathoflowresistance,allowingpassageofabnormalamountofcurrentisknownasa/an_____.()A、opencircuitB、shortcircuitC、polarizedgroundD、groundreferencepoint答案：B9.Payattentiontofirepreventionwhenwelding.()A、Drugshouldbepreventedwhenwelding.B、Clothesshouldbecaredwhenwelding.C、Watershouldbenoticedwhenwelding.D、Fireshouldbeavoidedwhenwelding.答案：D10.I'mafraidourchiefengineerisengagedjustnow.()A、Ourchiefengineerisfreenow.B、Ourchiefengineerisbusynow.C、Ourchiefengineerisinengineroomnow.D、Ourchiefengineerisoutnow.答案：B11.Remembertoputthewasteintothegarbagecanondeck.()A、Throwwasteontodeck.B、Don'tforgettoputthegarbagetotherubbishcan.C、Carrytheunwantedmattertothegangway.D、Putthewastecanondeck.答案：B12.ISMCodeisashipmanagementsystemembracingqualitycontrolintheareasofsafetyandpollutionprevention.Itisapplicableto_____.()A、TugsB、YachtsC、cruiseshipD、anyvessel答案：D13.Inpractice,therefrigerantflowaftertheevaporatorisdesignedtoensurethatthevaporleavingtheevaporatorisslightly_____.()A、saturatedB、super-cooledC、wetD、superheated答案：D14.Sincemostmedium-speeddieselenginesarenon-reversible,_____isusuallyusedtocaterforastemthrust.()A、areductiongearB、acontrollablepitchpropellerC、afixedpitchpropellerD、aclutch答案：B15.Allpersonnelonduty,_____mustbeawareoftheoperationofbilgedischargetobeconducted.()A、deckofficersB、EngineofficersC、bothdeckandEngineofficersD、Themasterandthechiefengineer答案：C16.Iwanttoknowwhetheryourincineratorisstillinuse.()A、Iwanttoknowwhattypeyourincineratoris.B、Iwanttoknowhowyouuseyourincinerator.C、Iwanttoknowhowoftenyouuseyourincinerator.D、Iwanttoknowifyouuseyourincineratorordinarily.答案：D17._____isnormallyusedtotransferfuelfrombunkertankstothesettlingtanks.()A、AtransferpumpB、AbilgepumpC、AservicepumpD、Avacuumpump答案：A18.Wearegoingtoregulatetheexpansionvalvetothatmark.()A、Wearegoingtodomarksontheexpansionvalve.B、Theexpansionvalveisingoodstate.C、Theexpansionvalveistoberesettothatmark.D、Theexpansionvalveiswellset.答案：C19.Properfilteringandstrainingofdieselfuelisimportantbecausethe_____.()A、fueloilpumpwillover-speedifdirtisnotremovedB、fueloiltransferpumpscannottoleratesmallamountsofgritintheoilC、fuelinjectorsmaybedamagedbyforeignparticlesinthefueloildirtyD、fuelwillclogtheintakeairfilter答案：C20.Enginespeedsatwhichresonance(共振)canoccuraretermed_____.()A、maximumspeedsB、fullspeedsC、seaspeedsD、criticalspeeds答案：D21.Evacuatetheengineroomimmediately.()A、Entertheengineroomatonce.B、Leavetheengineroomatonce.C、Evaluatetheengineroomatonce.D、Calltheengineroomatonce.答案：B22.Lubricatingoilissuppliedtothecrank-pinbearingsinamarinedieselengineby_____.()A、internalcrankshaftpassagesB、immersioninoilC、splashlubricationD、injectionlubrication答案：A23.Whichofthefollowingfactorsdeterminestheintervalbetweendischargesofaself-cleaningseparator?()A、theseparatingtemperatureB、theratedthroughputC、thecontentofimpuritiesinthefueloilD、thevolumeofthebowl答案：C24.Ifthemaximumcylinderpressuresareoutofbalancetheyshouldbeadjustedby_____.()A、changethefuelB、adjusttheinjectorC、cleaningtheairfilterD、re-timingthefuelpumps答案：D25.Startfirefightingwaterpumpandbuildupwaterpressurewithin2minutes.()A、Startfirefightingwaterpumpwithin2minutes.B、Startemergencyfirefightingpumpwithin5minutes.C、Startemergencyfirefightingpumpwithin2minutes.D、Startfirefightingwaterpumpwithin5minutes.答案：A26.Themainoperatingcharacteristicofdieselengineswhichdistinguishesthemfromotherinternalbustionenginesisthe_____.()A、methodofsupplyingairB、coolingsystemC、methodofignitingfuelD、valveoperatingmechanism答案：C27.Whichisthepollutionpreventionequipment?()A、boosterpumpB、evaporatorC、incineratorD、cooler答案：C28.Therepairsarebynomeanssatisfactory.()A、Therepairsareuptothestandard.B、Therepairsarefarfromsatisfactory.C、Therepairsaren'tfinishedatall.D、Therepairsareperfect.答案：B29.Wehavetousethiskindofpipeundersuchcircumstances.()A、Wecanonlyusethiskindofpipenow.B、Thiskindofpipeisgoodforuse.C、Wemayuseanotherone.D、Ilikethisone.答案：A30.Whatisthesubstancecalledwhichcanreadilybeconvertedfromaliquidintoavapor,andalsofromavaporintoliquidwithareasonablynarrowrangeofpressure?()A、refrigeratorB、refrigerantC、coolingmediumD、brine答案：B31.Everythingisingoodorderexcepttheoilseparator.()A、Everythingisingoodorder.B、Thereissomethingwrongwiththeoilseparator.C、Thereissomethingwrongwiththeoilywaterseparator.D、Thereissomethingwrongwiththesewagewaterseparator.答案：B32.Weldingisonlyatemporarymeasure,Isuggestrenewingit.()A、I'dliketoweldit.B、I'dliketorenewit.C、I'dliketouseittemporarily.D、I'dliketomeasureit.答案：B33.Pleaseanalyzethelubricatingoilformeassoonaspossible.()A、I'dlikeyoutoanalyzethefueloil.B、I'dlikeyoutoanalyzethelubeoil.C、I'dlikeyoutochangethelubricatingoil.D、I'dlikeyoutochangethefueloil.答案：B34.Oilywaterseparatormis-alarms,themostpossiblereasonis_____.()A、separatingoiltoofastB、15ppmmonitoroutoffunctionC、thedischargesolenoidvalveoutoforderD、lowheatingtemperature答案：B35.Pleasearrangeforasurveyortoeonboard.()A、Pleasesendasurveyortoourship.B、Pleaseetoourship.C、Pleaseetoourshipwithasurveyor.D、Pleasegetreadytoeonboard.答案：A36.Havingbeenpassedthroughthemonitoringofanoilywaterseparator,ballastwatercanbedischargedoverboard.()A、Ballastwatercannotbedischargedoverboard.B、Ballastwatercanbedischargedoverboarddirectly.C、Ballastwatercanbecollectedintheoilywaterseparator.D、Ballastwatercanonlybedischargedoverboardthroughtheoilywaterseparator.答案：D37.TheShipSecurityPlanshouldbesubmittedto_____forapproval.()A、theSSOB、thePSCOC、theCSOD、theAdministration答案：D38.Avoltmeterisconnectedinacircuitin_____.()A、parallelB、seriesparallelC、seriesD、relay答案：A39.Smallerenginescanbemademorerigidthanlargeonesandmaynothave_____.()A、connectingrodsB、crankshaftC、crankcaseD、throughbolts答案：D40._____cancauseoilflowfromwateroutletofaseparator.()A、OilinletvalveopeningtooquicklyB、OiltemperaturelittlehigherthannormalC、DiameterofgravitydisctoosmallD、Viscosityofoillittlelowerthannormal答案：A41.Aninadequatereciprocatingbilgepumpdischargeismostoftencausedby_____.()A、defectivesafetyvalvesB、cloggedsuctionstrainersC、scarredcylinderwallsD、cloggeddrainvalves答案：B42.Wearealsogoingtocleanthefiltersoftheballastpump.()A、Wewillcleanthefiltersofthefueloilpump.B、Thefiltersofthelubeoilpumpwillbecleaned.C、Thefiltersofthebilgepumpwillbecleaned.D、Thefiltersoftheballastpumpwillbecleaned.答案：D43.Pleasetellmethesizeofyourpipeconnection.()A、Whatdiameterisyourpipeconnection?B、Whereisyourpipeconnection?C、HowcanIconnectyourpipe?D、WhencanIconnectyourpipe?答案：A44.Ihopeyougiveusyourquotationswhenyougettheadditionallist.()A、I'dlikeyoutogettheadditionallist.B、I'dlikeyoutogiveusadiscount.C、I'dlikeyoutogiveusyourquotations.D、I'dlikeyoutosendtheadditionallisttome.答案：C45.Wewillbunkerdieseloilfirstandthenfueloil.()A、Wepumpdieseloilandfueloilatthesametime.B、We'llpumpfueloilfirstthendieseloil.C、Thereisnosequenceforbunkeringdieseloilandfueloil.D、Dieseloilwillbepumpedfirstthenfueloil.答案：D46.Amarinedieselengineisstartedby_____.()A、supplyinghighpressureoilintoahydraulicmotorB、supplyinghightemperatureairintothecylinderC、supplyinghighpressureairintothecylinderD、electricaligniting答案：C47.Ifafireignitesintheengineroomasaresultofahighpressurefueloilleak,youshouldFIRST_____.()A、securetheventilationB、findasodaacidextinguisherC、shutoffthefueloilsupplyD、securethegenerator答案：C48.Inanairconditioningsystem,moistureisremovedfromtheairby_____.()A、filtersB、separatorsC、ductedtrapsD、dehumidifiers答案：D49.Inanaturallyaspirateddieselengine,thevolumeofairintakeisdirectlyrelatedtoengine_____.()A、pressionratioB、valvesizeC、fuelpressureD、cylinderclearancevolume答案：B50._____deviceisprovidedtopreventstartingairfrombeingadmittedtothecylinderbeforethereversingispleted.()A、AnautomaticB、AtransmissionC、Aself-regulatingD、Aninterlocking答案：D51.Pleasestandbyengineat18:00.()A、Pleaseprepareforengineat17:00.B、Pleasemakethepreparationforengineat16:00.C、Standingbyenginehasbeencarriedoutat18:00.D、Standingbyenginehasbeenfinishedat18:00.答案：C52.Whenthereisafireinalargeelectricmotor,normallytheveryFIRSTstepisto_____.()A、securetheelectricsupplyB、ventilateareatoremovesmokeC、startthefirepumpandleadouthoseD、applyfoam答案：A53.Pleaseextinguishthefireinscavengeboxwithcarbondioxide.()A、Carbonmonoxideisneededtoputoutthefire.B、Putcarbondioxideintoscavengeboxtoputoutthefire.C、Theexhausttemperaturemightbelow.D、Theexhausttemperaturemightbenormal.答案：B54.Thesensibleheatofairisdependentuponthe_____.()A、drybulbtemperatureB、wetbulbtemperatureC、saturationtemperatureD、watervaporsuperheat答案：A55.Thehighpressurefuelopensthefuelvalveandissprayedintothecylinderintinydropletsknownas_____.()A、injectionB、penetrationC、atomizationD、pression答案：C56.Fueloilisleakingtoseafromdeckscuppersstarboard.()A、Fueloilisleakingtoseafromthebunkeringstation.B、Fueloilisleakingtoseafromthebarge.C、Oilspilloccurredduetotheexistenceofdeckscuppers.D、Oilspilloccurredduetounblockeddeckscuppers.答案：D57._____controlsystemisoneinwhichthecontrolactionisindependentoftheoutput.()A、FeedbackB、NegativefeedbackC、CloseloopD、Openloop答案：D58.Marineboilersareusedforproducingsteamwhichmaybeusedforthefollowingexcept_____.()A、drivingauxiliarymachineryB、drivingthemainenginesC、heatingheavyoilD、producingdrinkingwater答案：D59.Oilywaterseparatorsareusedtoensurethatshipsdon'tdischargeoilwhenpumpingout_____.()A、ballastwaterB、boilerwaterC、bilgewaterD、sewagewater答案：C60.No.3exhaustgastemperatureisabout50℃higherthantheothercylinders.()A、No.6exhaustgastemperatureisabout60℃higher.B、No.5exhaustgastemperatureisabout50℃higher.C、No.4exhaustgastemperatureisabout40℃higher.D、No.3exhaustgastemperatureisabout50℃higher.答案：D61.Informallthecrewmemberstoeandawaitorders.()A、Tellallthecrewmemberstoabandontheship.B、Allthecrewmembersarewaitingfororders.C、Allthecrewmemberswilletotheengineroom.D、Tellallthecrewmemberstogatherandwaitfororders.答案：D62.Youcanhavethemat30dollarsforeachifyoubuymorethan5pieces.()A、Iwillsellthemtoyouifyoubuymorethan30pieces.B、Iwillsellthemtoyouifyoubuymorethan15pieces.C、Iwillsellthemtoyouatthepriceof30dollarsforeachifyoubuymorethan5pieces.D、Iwillsellthemtoyouatthepriceof5dollarsforeachifyoubuymorethan30pieces.答案：C63.Thepurposeofpressingtheairwithinthecylinderofadieselengineisto_____.()A、producetheheatforignitionB、decreaseinjectionlagC、increaseignitiondelayD、aidinexhaustingburntgases答案：A64.Thesparepartsorderedhavenotbeendeliveredonboardintime.()A、Thesparepartshavebeenorderedbutnotdeliveredasexpected.B、Thesparepartshaven'tbeenordered.C、Thesparepartsorderedhavebeendeliveredonboard.D、Thesparepartsorderedhavebeendeliveredonboardintime.答案：A65.Duringdisposalofsolidwasteinanincinerator,payutmostattentiontothe_____offluegas,andalsowatchoutfortheabnormalities.()A、densityB、temperatureriseC、colorD、pressuredrop答案：B66.Youshouldtellmehowlongitwilltaketopletethiswork.()A、Howoftenwillittakeontheshape?B、Howmuchtimewillittaketofinishthiswork?C、Howquicklythisworkisfinished?D、Howmanydayshavethisworkfinished?答案：B67.Maximumpressurereadingsshouldbetakenwhentheengineisrunningon_____assteadilyaspossible.()A、fullloadB、halfloadC、lowloadD、noload答案：A68.Twogeneratorsinparallelareusedgenerallyasthemainpowersupply.()A、Therearetwogeneratorsonboard.B、Themainpowersupplyisproducedwithtwogeneratorsinparallel.C、Theemergencygeneratorisbeingusednow.D、Themaingeneratorsareoutoforder.答案：B69.Whenseparatinglubeoilinpurifier,theoptimalseparatingquantityis_____oftheratedquantityonnameplate.()A、100%B、1/2C、1/5D、1/3答案：D70.Toavoidexcessivepressuresinthefueloilfillingsystemduringbunkering,youshould_____.()A、closethetankfillingvalvesquicklyB、topoffalltanksatthesametimeC、fillpletelyalltankstolessthan95%fullD、reducetheloadingratewhentoppingoff答案：D71.Thefunctionofasafetyvalveonamarineboileristopreventthepressureintheboilerfromrisingabove_____.()A、designtestpressureB、maximumallowableworkingpressureC、thepressureusedintheaccumulationtestD、thehydrostatictestpressure答案：B72.Ifanyleakageisfoundout,pleasereportittomeatonce.()A、Iwonderifthereisleakage.B、Idon'tknowifthereisleakage.C、Letmeknowassoonasanyleakageisfoundout.D、Letmeknowifanyleakageisfoundout.答案：C73.Vesselshavingmainenginesarrangedforairstartingaretobeprovidewithatleast_____.()A、oneautomaticdrainservingbothcontainersB、twoairstartingcontainersofapproximatelyequalsizeC、onecontrolaircontainerandonestartingaircontainerD、oneadditionalmeansofstartingthemainengine

輔機(jī)部分答案：B74.ThePortStateControlofficermaywitnessafiredrillcarriedoutbythecrewassignedtothesedutiesonthe____.()A、NavigationLogBookB、EngineRoomLogBookC、OilRecordBookD、MusterList答案：D75.ThetemperatureofNo.1startingairpipingofmainengineishigh.()A、No.1startingairpipingtemperatureishigh.B、No.2startingairpipingtemperatureishigh.C、No.3startingairpipingtemperatureishigh.D、No.4startingairpipingtemperatureishigh.答案：A76.Onoppositeendsofasingleshaftofaturbo-blowerareagasdriven_____andanairpressor,whicharesealedeachother.()A、chargeairreceiverB、scavengingairbeltC、turbineD、aircooler答案：C77.Theamountofheatreleasedbysteamwhenitchangestowateratthesametemperatureiscalled_____.()A、latentheatofcondensationB、latentheatofvaporizationC、latentheatofsaturationD、sensibleheatofcondensation答案：A78.Sub-coolingincreasesthe_____oftherefrigerationcycle.()A、capacityB、refrigerationeffectC、massflowrateD、volumeflowrate答案：B79.Theonlyproblemleftisthetimelimit.()A、Theonlyproblemisthattheylefttooearly.B、Theonlyproblemiswhentoleave.C、Theonlyremainingproblemisthedeadline.D、Theonlyproblemishowmuchtimewillbeleft.答案：C80.Pleasetakeoilwatersamplesfromyourbilgewellforme.()A、I’dliketotakesamplesfromthedailytank.B、I’dliketotakesamplesfromthesettlingtank.C、I’dliketotakesamplesfromtheballasttank.D、I’dliketotakesamplesfromthebilgewells.答案：D81.Theresistanceofelectricwirewilldecreaseasits_____.()A、lengthincreasesB、cross-sectionalareaincreasesC、temperatureincreasesD、percentofmetallicpuritiesincreases答案：B82.AnadvantageofDCmotorsoverACmotorsisthatthey_____.()A、arelessexpensiveB、requirelessmaintenanceC、canbestartedacrossthelineD、offeramoreeffectivemeansofcontrollingspeed答案：D83.Whentwooilseparatorsareworkinginseries,theyshouldwork_____.()A、bothforremovingimpurityB、firststageforremovingimpurity,secondstageforremovingwaterC、bothforremovingwaterD、firststageforremovingwater,secondstageforremovingimpurity答案：D84.Youshouldreducethepumpingspeedto80tonswhenthetankisnearlyfull.()A、Atthebeginningofbunkering,thepumpingspeedis80tons.B、Atthebeginningofbunkering,youshouldreducethepumpingspeed.C、Whenthetankistoppingoff,youshouldreducethepumpingspeed.D、Whenthetankistoppingoff,youshouldincreasethepumpingspeed.答案：C85.Thehighlimitalarmoftheexhausttemperatureisonnow.()A、Nothingshouldbedoneinsuchcase.B、Theexhausttemperatureisnormalnow.C、Theexhausttemperatureisdroppinggradually.D、Theexhausttemperatureisabnormal.答案：D86.Anumberofcylinderlinersareenclosedinonecastironcasingtoforma_____.()A、cylindercoverB、cylinderblockC、cylinderframeD、bed-plate答案：B87.Thereissometroublewiththemainengine.()A、Themainengineisabnormal.B、Theauxiliaryengineisabnormal.C、Theprimeengineisabnormal.D、Thisisthemainreasonforenginetrouble.答案：A88.Fueloilhavingalowcetaneratingcouldresultin_____.()A、improvedcoldweatherstartingB、excessivefueloilconsumptionC、reducedignitionlagD、smootherengineoperation答案：B89.Thereissomethingwrongwiththesteeringgear.()A、Thereissometroublewiththesteeringgear.B、Thereissomethingwrongwiththeturninggear.C、Thereisnoproblemwiththesteeringgear.D、Thereisnoproblemwiththeturninggear.答案：A90.Theballastpumpisingoodorder.()A、Theballastpumpisoutoforder.B、Theballastpumpworkswell.C、Thereissomethingwrongwiththeballastpump.D、Theballastpumpdoesnotrunsmoothly.答案：B91.Let'sgivemainengineatrialontime.()A、We'llhavetheenginetrialtomorrow.B、Theenginetrialwillstartoncewehaveeverythingready.C、Weshalltrymainengineontime.D、Wecandelaytheenginetrial.答案：C92.Afireinvolvingaluminumpowderwouldbeaclass_____.()A、AfireB、BfireC、CfireD、Dfire答案：D93._____isusedtocontrol,modulate,monitorandprotectgeneratorset.()A、ControlpanelB、LoadpanelC、ParallelingpanelD、Busbar答案：A94.FuelinjectionusesthejetpumpsystemandaWoodwardtypehydraulic_____isusedtocontrolenginespeed.()A、controllerB、governorC、instrumentD、apparatus答案：B95.Whichoneisnotthenormaloperationforboilershutdown?()A、Carryoutsootblowing,ifpermissible.B、ChangefuelsupplytodieseloilC、ClosesteamstopvalvesonboilerwhenpressureisreducedD、Drainboileremptywhenithascooleddown答案：D96.Thepistonrodstuffingboxincorporatedinatwo-stroke/cycle,crossheaddieselengineservesto_____.()A、eliminatethenecessityforanoilscraperringB、preventsidethrustandcylinderscoringC、preventsludgeanddirtyoilfromenteringthecrankcaseD、scrapeoilandcarbondepositsoffthecylinderwalls答案：C97.Afusethatblowsoftenshouldbereplacedonlywithafuseof_____.()A、theremendedcurrentandvoltageratingB、highercurrentandvoltageratingC、highercurrentandlowervoltageratingD、lowercurrentandhighervoltagerating答案：A98.Progressivefloodingintheengineroommaybeminimizedbysecuringwatertightboundariesand_____.()A、transferringreservefeedwaterB、dumpingfueloilC、pumpingoutfloodedpartmentsD、evacuatingtheengineroom答案：C99.ItwillbevalidtilltheendofJunenextyear.()A、ThedeadlineforthetermofvalidityistheendofJunethisyear.B、ThedeadlineforthetermofvalidityistheendofJunenextyear.C、Thedeadlineforthetermofvalidityistheendofnextyear.D、Thedeadlineforthetermofvalidityisunclear.答案：A100.Pleasestartmainengine3timesaheadandasterncontinuously.()A、Runengineaheadfor3minutes.B、Runengineasternfor3minutes.C、Runengineaheadorasternfor6minutes.D、Startengineaheadandastern3times.答案：D101.Iwanttoknowwhattimeyouaregoingtocarryoutthetrial.()A、Howlongwillthetrialbekept?B、Whenwillthetrialbecarriedout?C、Whenwillthesparepartsbesentonboard?D、Howaboutcarryingoutthetrial?答案：B102.Pleaseflushthehosewithpressedair.Don'tuseseawater.()A、Pleaseflushthehosewithsteam.B、Pleaseblowthehosewithpressedair.C、Pleaseblowthehosewithsteam.D、Pleaseflushthevalvewithpressedair.答案：B103.The'O'ringofNo.1cranecylinderiswornout.()A、SealingofNo.1cranecylinderisdamaged.B、ThealarmofNo.1craneisringing.C、No.1cranecylinderisingoodstate.D、No.1cranecylinderiswellmaintained.答案：A104.Youmusthaveourapprovalbeforeyoumakeanalterationintheplan.()A、Youmusthaveourapprovalafteryoumakeanalterationintheplan.B、Youcannotmakeanalterationintheplanafteryougetourapproval.C、Youcannotmakeanalterationintheplanbeforeyougetourapproval.D、Youcannotmakeanalterationintheplanatall.答案：C105.Theycansupplythiskindofoil.()A、Theyknowthiskindofoil.B、Youcanexplainthiskindofoiltome.C、Theyhavethiskindofoilathand.D、Youcanproducethiskindofoil.答案：C106.paredtoanaturallyaspirateddieselengine,asuperchargeddieselenginehas_____.()A、acylinderairchargeofhigherpressureB、increasedpumpinglossesC、lessvalveoverlapD、reducedblow-by答案：A107.Ofthefollowing,whichonedoesnotbelongtotherotarypump?()A、VanepumpB、GearpumpC、ScrewpumpD、Piston答案：D108.TesttheevaporatorwithN2atpressureof7barsandkeepitfor36hours.()A、Theevaporatoristobepressurized.B、Theevaporatorisdamaged.C、Theevaporatorisingoodorder.D、TheevaporatorusuallyworkswithN2init.答案：A109.Ifthespeedofaturbochargeddieselengineismaintainedconstantastheloadontheengineisincreased,thespeedoftheturbochargerwill_____.()A、decreaseuntiltheenginespeedincreasesB、increaseC、decreaseD、remainunchanged答案：B110.Thepumpmechanismislubricatedbythefuelwhich,ifitisoflowviscosity,willcause_____.()A、leakageB、pierceC、corrosionD、wear答案：D111.Oilpressureofthesteeringgearishigherthannormallimit.()A、Thesteeringgearisturningslowly.B、Oillevelishigherthannormal.C、Thereisairinhydraulicoilofthesteeringgear.D、Oilpressureisabnormalinthesteeringgear.答案：D112.Yourenewtheoilywaterseparatorfiltersatintervals.()A、Youchecktheoilyseparatorperiodically.B、Youchangetheairfiltersperiodically.C、Youchangethefiltersperiodically.D、Youdismantlethefiltersperiodically.答案：B113.Whenaircoolingisinuseitisgoodpracticetokeepallportholes,windowsanddoors_____.()A、shutB、fullyopenC、openD、semi-opened答案：A114.Askthedutyofficertoslowdownmainengineandthenshutitdown.()A、Themainengineisinorder.B、Themainengineisoutoforder.C、Berthingatport.D、Anchoringatanchorage.答案：B115.Youwillsurelygetthemontime.()A、I'msureyoucangetthemontime.B、Thetimeissuitable.C、Youcan'tgetthemasyouwish.D、Youmustmakesureofthetime.答案：A116.Theseaisheavy.()A、It'sfoggy.B、Theseaisrough.C、Theseaissmooth.D、Thevisibilityispoor.答案：B117.Refrigerantenteringthepressorofarefrigerationsystemshouldbeinwhichofthefollowingconditions?()A、Sub-cooledliquidB、Sub-cooledvaporC、SuperheatedvaporD、Liquid答案：C118.Thecamshaftisactuatedbythecrankshaftbymeansof_____.()A、electricequipmentB、onlygearwheelsC、onlychain-driveD、gearwheelsorchain-drive答案：D119.Wewillbunkerdieseloilfirstandthenfueloil.()A、Weneedeitherdieseloilorfueloil.B、Weneedbothdieseloilandfueloil.C、Weneeddieseloilonly.D、Weneedneitherdieseloilnorfueloil.答案：C120.Iwanttoknowhowextraworkispaidfor.()A、Howdoyoupayforadditionalwork?B、Howdoyoupayforextraovertime?C、Whopaysforextrawork?D、Doyoupayforovertime?答案：A121.Youareinchargeofelectricalworkonboard.()A、Youhaveelectricalcertificate.B、Hastheelectricalequipmentbeenchecked?C、Hastheelectricalequipmentbeencleaned?D、Youareresponsiblefortheelectricalwork.答案：D122.Anelectricallydrivenautomaticallyoperatingauxiliaryblowerisprovidedforslowspeedand_____ofalowspeeddieselengine.()A、maneuveringoperationsB、badbustionC、coolingD、mooringtrial答案：A123.Performanceofaturbochargedenginecanbeimprovedby_____.()A、decreasingtheamountofvalveoverlapB、preheatingtheairintakeC、after-coolingtheintakeairD、preheatinglightfuels答案：C124.The_____,cagerotorinductionmotoristhefirstchoicemarinemotorinmostmodernshipsbecauseofitselectricalandmechanicalsimplicity.()A、singlephaseB、twophaseC、threephaseD、fourphase答案：C125.Theexpenseisbeyondthelimitationoftheship'sowner.()A、Theexpenseisunderthelimitationofthemanager.B、Theexpenseisbelowthelimitationoftheship'sowner.C、Theexpenseisbeyondthelimitationofthemanager.D、Theexpenseisoverthelimitationoftheship'sowner.答案：D126.Whenanauxiliaryboilerispantingandemittingblacksmoke,youshould_____.()A、increasethefueloiltemperatureB、decreasethefueloiltemperatureC、decreasethefueloilsupplypressureD、increasetheairsupply答案：D127.Ourofficehoursarefrom07:00am.to16:00hours.()A、Wework8hoursaday.B、Wecanebackafter4p.m.C、Wemaygotoworkat8am.D、Ourofficeisopenalltheday.答案：B128.IhavereplacedthedefectivepartsforNo.2and6cylinders.()A、Thedefectivepartshavenotbeenreplaced.B、Theboltshavebeendefective.C、No.1and3cylindershavebeenrenewed.D、Thedefectivepartshavebeenrenewed.答案：D129.Thischemicalsolutioncan'tbeusedtocleantheinternalpartoftheboiler.()A、Theexternalpartoftheboilercan'tbecleanedbythischemicalsolution.B、Thischemicalsolutioncan'tbeusedtocleantheexternalpartoftheboiler.C、Thischemicalsolutioncanbeusedtocleantheexternalpartoftheboiler.D、Theinternalpartoftheboilercan'tbecleanedbythischemicalsolution.答案：D130.Inageneralcargocrane,_____isfittedtoliftthecargoload.()A、theslewingmotorB、theluffingmotorC、thehoistingmotorD、thefanmotor答案：C131.Damagerepairsarenecessaryforashipwiththeresultofcollision,groundingand_____.()A、blackoutB、minorfireC、floodingD、maingeneratorfailure答案：C132.Iwanttoknowhowyouaregoingtodotherepairforitem308.()A、Whatdoyouknowaboutitem308?B、Howareyougoingtodealwithitem308?C、What'swrongwithitem308?D、Doyouintendtodosomethingforitem308?答案：B133.Intakeairflowfromadieselengineturbochargerisdirectlyproportionaltoengine_____.()A、exhaustgaspressureB、exhaustgastemperatureC、speedD、load答案：D134.ThepurposeofthemutatorandbrushesonaDCgeneratoristo_____.()A、changeACtoDCcurrentB、changeDCtoACcurrentC、neutralizearmaturereactionD、carrycurrenttotheoutsidecircuit答案：A135.Ifthecapacityofacentrifugalpumpdecreasesgraduallyoveralongperiodoftime,youshouldreplacethe_____.()A、packingglandB、mechanicalsealsC、lanternringsD、wearingrings答案：D136.Whenkeepingwatch,weshouldinspectthebilgesystemcarefully.()A、Thebilgesystemshouldbeinspectedcarefully.B、Weshouldinspectthesludgeoilsystemcarefully.C、Weshouldinspectthesewagesystemcarefully.D、Weshouldinspectthefueloilsystemcarefully.答案：A137.PriortoclosingthebreakerwhenparallelingtwoACgenerators,theremendedpracticeistohavethefrequencyoftheiningmachine_____.()A、slightlylessthanthelinefrequencyB、thesameasthelinefrequencyC、slightlygreaterthanthelinefrequencyD、AlloftheotherChoices答案：C138.Checktheextentofthedamage.()A、Examinetheextentofthedamage.B、Reducetheextentofthedamage.C、Tellmethecauseofthedamage.D、Tellmethelocationofthedamage.答案：A139.Synchroscopeandsynchroindicatinglightsarelocatedon_____ofmainswitchboard.()A、loadpanelB、emergencygeneratorcontrolpanelC、batterycharginganddischargingpanelD、parallelingpanel答案：D140.Iwanttoknowhowlongthecertificatewillbeextended.()A、Whatistheperiodoftheextensionofthecertificate?B、Whenwillthecertificategointoeffect?C、Whenwillthecertificatebeextended?D、Howaboutrenewingthecertificate?答案：A141.Whichofthefollowingmethodsisnormallyusedtolubricatebearingsinasmallhigh-speeddieselengine?()A、SplashlubricationB、PressurelubricationC、SightfeedlubricatorsD、Mechanicallubricator答案：B142.Theoilpany'sbargewillealongsideyourshipat2o'clocktomorrowafternoon.()A、I'llarrangeforanoilbargetoetoyou.B、Youcantakebunkeringat1400hourstomorrow.C、You'lltakebunkeringat2o'clockthisafternoon.D、Yourpanywillsendanoilbargetoyou.答案：B143.Beforethelubricatingoilisenteredintothesystemagain,itmustbepurifiedbythe_____inthedraintank.()A、separatorB、purifierC、strainerD、cleaner答案：C144.In_____thecontrolactionisindependentontheoutput.()A、aclosedloopcontrolsystemB、anopenloopcontrolsystemC、aboilercontrolsystemD、asteeringgearcontrolsystem答案：B145.Electricwiresshouldhaveeachfeatureofthefollowingexcept_____.()A、flameretardantB、moistureresistantC、oilresistantD、lowconductivity答案：D146.Gearpumpsareofpositivedisplacementtypepumpsbecausetheydischargeanearconstantamountofliquid_____pressure.()A、dependingonB、inrelativetoC、regardlessofD、becauseof答案：C147.Deliverylinesanddischargelinestoandfromthepumpareoftenfittedwith_____topreventtheliquidfromflowingback.()A、PressurereducevalvesB、ButterflyvalvesC、non-returnvalvesD、Three-wayvalves答案：C148.ReplacethestartairvalveofNo.5cylinderwithaspareoneaftertheshutdown.()A、RenewNo.5startairvalvewithaspareoneaftertheslowdown.B、RenewNo.5startairvalvewithaspareoneaftertheshutdown.C、RenewNo.3startairvalvewithasp