11月航海英语机考题_第1页
11月航海英语机考题_第2页
11月航海英语机考题_第3页
11月航海英语机考题_第4页
11月航海英语机考题_第5页
已阅读5页,还剩6页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

阅读理解Passage92Avarietyofdevicesexistfordetectingfiresnamely:Smokedetectorsbasedontheionizationprincipleoronthephotoelectriccellprinciple;Healsensors;Rateoftemperaturerisesensors;Flamedetectors.Eachtypehasitsmeritsandmostsystemswilldeploytwoormoreoftheabovetypesofdevicesdependingonthespacebeingprotected.Withinmachineryspaces,ionizationsmokedetectorsaregenerallyconsideredthefirstlineofdefense.Thesedevicesmonitortheelectricalchargewhichoccurswhencombustionparticlesreachthechargedspaceinthedetector.Sothattheunitscanbereadilytestedanindicatorlightisprovidedonthesensorbody.Thislightsupinthepresenceofgasfromatestcanisterorevenfromthefamesoffacigarette.Whichofthefollowingdetectorsarebasedonthechargesorlightprinciple?A.SmokedetectorsB.HeatsensorsC.TemperaturerisingsensorsD.FlamedetectorsIngeneral,offiredetectorsarefittedonthecompartmentbeingprotected.A.onetypeB.twotypesC.threetypesD.fourtypesWithinengineroom,sensorsarearrangedcertainly.A.smokeB.heatC.temperaturerisingD.flameWhichofthefollowingstatementsistrue?Themoretypesoffiredetectorsarefittedonthespacebeingprotected,themorepossibleitistoavoidfirehazards.Flamedetectorsarebasedonthelightprincipleoffiredetection.Cigarettesmokingwillalwayscausefires.Atestcanisterimpliesitisunnecessarytosamplefumesfordetectionfire.ABAAPassage11MaintenanceandOverhaulingSatisfactoryandproperoperationoftheenginedependsnotonlyoncorrectmanoeuvringbutalsoonhowwellitiskeptinorder.Regularmaintenanceoftheenginehelpsalotinpreventingearlywearofpartsandinensuringalongserviceaswellastheworkingefficiencyoftheengine.Instructionbooksaretobereferredtowhenevernecessary.Theindividualpartsoftheengineshouldbeinspectedandthoroughlycleanedatregularintervals.Theperiodsforsuchoverhaulworkdependlargelyonthequalityofthelubricatingoilandfuel,ontheloadandoiltheefficiencyoftheoperatorinlocatingtroublesandremedyingthemmtime.Allpipesshouldbepressure-relievedbeforetherepairworkisstarted.Readthepressuregaugesand/orcheckthepipesbycarefullylooseningthescrewplugsorconnections.Ifsomepartsoftherunninggeararedismantled,beforeusingthefuminggear,makesurethatnoloosepartsarejammedinthecrankcasewhereitiseasyforthemtocausedamage.Duringdismantlingwork,lubricationlinesandorificesmusttosealedoff.Thepistons,asarule,shouldbedismantledafteraperiodofoperationandcleanedwiththepistonringsrenewedif注:在油水别离器中,油会向上运动到集油室的,应选A。"AccordingtoSTCW78/95,theabilitiesspecifiedinthestandardsofcompetencearegroupedassevenfunctionsatthreelevelsofresponsibility,whichofthefollowingisnotoneofthethreelevels?nA、supportlevelB、managementlevelC、operationallevelD、navigationallevel答案为Do”根据STCW78/95,适任能力划分为7个功能和三个级别,分别是支持级,操作级和管理级,所以D不是。”ThegovernorcontrollingadieselenginemodulatescrankshaftRPMakeairsupplyturbochargerspeedfuelinjectionpumpsenginespeeddroop注:调速器是通过调节燃油喷射泵,控制喷射进入气缸的燃油量来调节速度的,应选C。.Theisusedtomeasurethevolumeofaliquidorgasthroughapipelinewithinanygivenperiodoftime.A.flowmeter(流量计)B.viscometer(黏度计)C.micrometer(千分尺)D.feeler(塞尺)答案为Ao注流量计用于测量在给定时间内通过管子的液体或气体的体积。.Electricalcircuitsareprotectedagainstoverheatingbymeansofa(an)AcircuitbreakerB.ampMerC.diodeD.capacitor答案为A。注电路通常使用电路切断器防止过热。40、Theofficerinchargeoftheengineeringwatchshallensurethatatalltimesbridgeordersrelatingtochangesinofoperationareimmediatelyimplemented.A、foreandaftB、aheadorasternC、speedordirectionD、upordown答案为Co负责值班的轮机员应该确保任何时候关于速度和方向改变的驾驶台的命令应该立即执行。WhichofthefollowingaboutISMCodeisnotright?ItaimstoensuresafetyatseaItaimstoavoiddamagetotheenvironment.Itaimstopreventhumaninjuryorlossoflife.Itaimstoprovideamethodtorunacompany.注:ISM规那么的目的不是规定管理公司的方法,应选DoInthecontrolactionisindependentontheoutput.aclosedloopcontrolsystemanopenloopcontrolsystemaboilercontrolsystemasteeringgear注:在开环控制系统中,控制作用与输出无关,应选B。Thedieselengineisatypeofinternalcombustionenginewhichignitesthefuelbyinjectingitintohot,highpressureairina.A.airbottleB.aircompressorC.crankcaseDbustionchamber答案为D.柴油机是一种内燃机,燃油喷射进入燃烧室内高温高压的空气,并被引燃(combusingchamber=combustionspace)oDuringtherunningoffthedieselengine.Ifthesupplyofcoolingwaterisinterruptedorthetemperatureofcoolingwateroutofthecylinderistoohigh,thedutyengineershould.notifythedutyofficer,reducetheenginespeed,takesomemeasurestoremovefailuresnotifythedutyofficer,andstoptheengineerimmediately,finethecauseandremovefailuresC.notifytheC/ED.notifythecaptain答案为A。运行主机过程中,如果冷却水供给中断或冷却水HI口温度过高,值班轮机员应该通过当班驾驶员,减速,并采取一些措施使之恢复正常。Beforebeingshutdown,adieselengineshouldidleafewminutesinordertoApreventgovernorsurgingatshutdownBmakesurethefuelnozzlesareflushedcleanCpreventpressurebuildupinthefuellinesDpreventdamagefromlocalizedoverheating答案为D.在停车之前,为防止因局部过热导致损坏,应该让柴油机空载运转几分钟。DThesizeofthedischargeringusedfortheefficientoperationofadisktypepurifierisdependentuponthe.A.ratedcapacityofthatpurifierB.viscosityoftheoilbeingpurifiedC.maximumdesignspeedofthatpurifierD.specificgravityoftheoilbeingpurified答案为D.盘式分油机工作良好时排出环的尺寸决定于被别离燃油的比重。WhenparallelingtwoACgenerators,thefrequencyofthemachinecomingon-line,immediatelypriortoclosingitsbreaker,shouldbe.slightlylessthantheoncominggeneratorfrequencythesameasthebusfrequencyslightlygreaterthanthebusfrequencythesameasthebusvoltage答案为C。发电机并车操作时,在合闸之前的一刹那,待并机的频率应比电网频率稍高一些。Whenreceivedtheorder"FinishedWithEngine",whichofthefollowingoperationsiswrong?StoptheL.O.pump,SW.pump,FW.pump.StoptheprimingFOtransferpump.EngagetheturninggearOpenthescavengeairbelt'sdrainvalveandcovertheturbochargersilencerwiththedustproofcover(防尘罩).答案为A。当收到完车指令时,停滑油泵、海水泵和淡水泵的做法是错误的。AHoweverfastorslowthecombustionrate,itisstillabetweencarbon,hydrogen,sulphurandoxygenthatreleasesheat.A.physicaldeformationB.stateexchangeC.chemicalreactionD.coalescence答案为C。燃烧速率的快慢,仍然是碳、氢、硫和氧气笈生放热的一个化学反响。CCargohandlingunitisratedaccordingtothetobelifted.A.cargocraneB.jib(吊臂)C.safeworkingloadD.oilpressure答案为C。货物装卸设备根据装卸的安全工作载荷来标定。CWhichofthefollowingstatementsisleastlikelytocausetheignitionoffuelvapors?A.Staticelectricity.B.Anopenrunningelectricmotor.C.loosewiring.D.Explosionprooflights.答案为D.防爆灯一般不会引起燃油蒸气着火。Usuallyhandlesthemajorityofthecorrespondenceandnegotiationneededduringtransactionsofstoresandsparepartsintheenginedepartmentthechiefengineerthesecondengineerthethirdengineerthefourthengineer答案为A。在轮机部,物料和备件交易中所需的大多数通信联络及协商通常由轮机长处理.Aninadequatereciprocatingbilgepumpdischargeismostoftencausedby.defectivesaftyvalvescloggedsuctionstrainersscarredcylinderwallscloggeddrainvalves注:往复式舱底泵排量缺乏经常是由于吸入滤器堵塞造成的,选BoThedefectiveplaceinthefurnaceshouldbewithfirebricks.A.paved(砌或铺)BcleanedCweldedD.dismantled注炉膛损坏处应用耐火砖砌好。AHlntheeventofasmallbunkeroilspillondeckoccurringwhilebunkering,youshouldA、washdowntheareaimmediatelywithafirehoseB、washdowntheareawithkeroseneC、covertheareawithabsorbentmaterialD、covertheareawithfoamC如果甲板上发生少量溢油,应用吸收性材料覆盖。HIntheoilpurifier,theinterfacemoveoutsidethetopdisc,theoilwillescapethroughA、theobserveglasspassageB、thesludgeoutletC、thewateroutletD、thesludgepassageC对于分油机,分界面向外围移动,出水口跑油。Theactivatedsludgestrengthshouldbecheckedatregularinterval,anditisgoodthatthecoloroftheaerationcompartmentwateris.A.yellowB.chocolateC.blackishD.ivory-whiteBThePollutionPreventionRegulationsrequirethatalloilspillsinUnitedStateswaterbereportedimmediatelytothe.A.localportauthorityB.CorpsofEngineersC.U.S.CoastGuardD.statepollutionboard注:防污染条例要求在美国水域的任何溢油都要立即向美国海岸警卫队报告。CTheofficerinchargeoftheengineeringwatchshallensurethatallmachineryinvolvedwiththemaneLiveringoftheshipcanimmediatelybeplacedintheofoperationwhennotifiedthattheshipisincongestedwatersA.manualmodeB.automaticmodeC.remotemodeD.follow-upmode注值班轮机员应确保,当船舶航行在窄航道州与船舶操纵有关的所有机械都应处在手动操作模式。AMoistureabsorbedinthewindingsorcondensedonthesurfaceofelectricalmachineryinsulationAisgoodforlongtermpreservingsincemostinsulationisorganicandcontainssomeamountBlowerstheinsulationvalueandisacommoncauseoffaultgroundsinidlemachineswillenhanceinsulationresistanceonlyifitisfreshwaterandcontainsnosaltreducestheamountofcurrentsuppliedordrawnbythemachinesohorsepowerislimited注电气设备绝缘层吸收的水分将降低绝缘电阻,闲置的设备会引起接地故障。B61.isusedtopreventtheentryofseawatertothemachineryspaceA.AspecialsealingglandB.PropellerC.TailshaftD.Sterntubebearing注解轴管轴承可防止海水进入机舱。D未找到的有:aflamescreenthedewpointisreachedwhenthewetbulbtemperatureis.3.leastlikelytocausetheignitionoffuelvapors?4.isusedtopreventtheentryofseawatertothemachineryspace.5.bilgesmaybepumpednecessary.Ifthepistonrodstuffingboxiscarefullyhandledandthoroughlygreased,itrequiresoverhaulonlywhenthepistonisremoved.Insuchacase,thegapclearanceofthesealingringsandfireringsmustberesettotheoriginalvalueandtheworn-outpartsreplaced.Tokeeptheengineworkingproperly.everydaymaintenanceisnecessaryitmustbehandledwithinstructionbooksiiihand'enginepartsshouldbekeptinorderitshouldbemanoeuvredcorrectlyandmaintainedatregularintervalsTheperiodsforoverhaulmainlydependon.©whetherthelubricatingoilandfuelareofgoodquality②whattheloadoftheshipis©whethertheoperatorcanfindtroublesaswellassolutionstothemquicklyA.①②B.①C.②③D.①②③Itisnecessarytomakesurethattherearenoloosepartsleftmthecrankcasebeforeusingtheturninggearbecause.somepartsoftherunninggearhavebeendismantledduringdismantlingwork,lubricationlinesandorificesaresealedoffloosepartsjammedinthecrankcasearelikelytocausedamagepipesarerelievedofpressurebeforetherepairworkWhendoesthepistonrodstuffingboxrequireoverhaul?Wheatsomepartsarewornout.Whenthepistonisremoved.Whenithasnotbeencheckedforsometime.Whenthepistonringsneedtoberenewed.DDCBPassage52Theengineperformanceisusuallyevaluatedbycomparingthemwiththecorrespondingobservationsfromwhentheshipwasnew.Thebestandmostsimplemethodofsummarizingandobtainingaclearpictureoftheparameterchangesistousethesynopsisdiagram,whichincludesamodelcurveandanactualservicecurve.Thesecurvesillustratethefunctionalrelationshipbetweenthemeasureddataandtheparametertheyaremostdependentonorrelatedto.Adeviationcurvecanalsobedrawnbasedontheabove-mentionedtwocurves.Fromthedeviationcurve,itispossibletoeasilyfollowthedevelopmentandtodeterminewhichenginecomponentsshouldbeoverhauled,andalso,fromtheslopeofthecurve,todetermineapproximatelywhentheoverhaulshouldbecarriedout.Themeanindicatedpressureisaveryimportantparameter,andit,toacertainextent,representstheengineoutput,thereforethedataofmanyotherimportantparametersareanalyzedasthefunctionofthemeanindicatedpressure.Inasynopsisdiagramoftheenginerevolution,deviationsfromthemodelcurveshowwhetherthepropellerislightorheavy,i.e.whetherthetorqueonthepropellerissmallorlargeforaspecifiedenginerevolution.Itispossibletojudgewhetherthealterationsareduetochangesinthedraught,oranincreaseinthepropulsionresistance,forinstanceduetofoulingofthehull.Valuableinformationisherebyobtainedfordeterminingasuitabledockingschedule.

Bywhichcurvecanwedeterminesomeenginecomponentsshouldbeoverhauled?A.AmodelcurveB.AnactualcurveC.AMIPcurveD.AdeviationcurveAccordingtothepassage,toacertainextent,theengineoutputmaybeindicatedby.A.thetorqueonthepropellerB.thefoulingofthehullC.theRPMoftheengineD.theMIPoftheengineTheword“deviation“inthispassagemeans.A.thesynopsisdiagramB.themodelvalueC.theactualvalueD.thedifferencebetweenBandCThetorqueonthepropellermayvarywith.A.changesintheship*sdraughtB.anincreaseinthepropulsionresistanceC.foulingoftheship'shullD.alltheaboveDDDDPassage56StartingairdistributorThestartingairdistributorisofthepistontypewithprecisionmachinedinterchangeableliners.Thelinersaswellasthepilotpistonsareofcorrosionresistantmaterials.Thepilotpistonsarecontrolledbyacamconnectedtothecamshaftend.Whenthemainstartingvalveopens,thepilotpistonsarepressedontothecam,wherebythepilotpistonfortheenginecylinderwhichisinstartingpositionadmitscontrolairtothemainpistonofthestartingvalve.Thestartingairvalveopensandadmitscompressedairintotheenginecylinderforcingthatpistondown.Shortlybeforetheexhaustvalvesareopenedthepilotvalveinterruptsthecontrolairtothestartingairvalveandstartingairtothatcylinderisstopped.Thisprocedurewillberepeatedaslongasthemainstartingvalveisactivatedoruntiltheenginespeedissohighthattheenginefires.Afterthemainstartingairvalveisclosed,themainstartingairsystemisde-aerated,thepressuredropsquicklyandthespringswillliftthepilotplungersoffthecam.Thismeansthatthepilotplungerstouchthecamonlyduringthestartingprocessandthuswearisinsignificant.Ifapilotlineriswornout,pressitout.Itmaybenecessarytoheatthedistributoruptillabout200℃as“Loctite“isusedforfixingandsealing.Accordingtothepassage,thelinersofthestartingairdistributor.A.canbereplacedwhenwornoutB.aremadeofheatresistantmaterialsC.areweldedpreciselyD.arewornouteasilyduringthestartingprocessDuringthestartingprocess,when,themainstartingairvalveisclosed.theexhaustvalvesinthestartingcylinderareopenedthepilotairtothestartingairvalveisstoppedtheenginespeedreachesfirespeedthepilotpistonsarepressedontothecamWhensomecylinderoftheengineadmitscompressedairintoit,thepilotpistonofthestartingairdistributorshouldbe.A.separatedfromthecamC.liftedoffthecamB.pressedontothecamA.separatedfromthecamC.liftedoffthecamFromthepassageweknowthat“Loctite"isprobably.A.atypeofgasketB.akindoflubricantC.agluebondD.ananti-corrosionadditiveACBCPassage39SOLAS,ChapterIX,andtheISMCodeappliestoships,regardlessofthedateofconstruction,asfollows:Passengerships,includingpassengerhigh-speedcraft,notlaterthan1July1998;Oiltankers,chemicaltankers,gascarriers,bulkcarriersandcargohigh-speedcraftof500grosstonsormore,notlaterthan1July1998;Othercargoshipsandmobileoffshoredrillingunits(MODUs)of500grosstonsormore,notlaterthan1July2002.TheCode'soriginscanbetracedbacktothelate1980s,whenconcernwasgrowingaboutpoormanagementstandardsintheshippingindustry.In1989,IMOadoptedGuidelinesonmanagementforthesafeoperationofshipsandforpollutionprevention"toprovidethoseresponsiblefortheoperationofshipswithaframeworkfortheproperdevelopment,implementationandassessmentofsafetyandpollutionpreventionmanagementinaccordancewithgoodpractice.nTheseguidelineswererevisedinNovember1991andtheISMCodeitselfwasadoptedasarecommendationin1993.However,alterseveralyearsofpracticalexperience,itwasfeltthattheCodewassoimportantthatitshouldbemandatory.ItwasdecidedthatthebestwayofachievingthiswouldbethroughtheInternationalConventionfortheSafetyofLifeatSea,1974(SOLAS).Thiswasdonebymeansofamendmentsadoptedon24May1994,whichaddedanewChapterIXtotheConventionentitledManagementforthesafeoperationofships.TheCodeitselfisnotactuallyincludedintheConvention,butismademandatorybymeansofareferenceinChapterIX.Accordingtothepassage,aLNGcarrierbuiltin1996shouldcomplytheISMCode.A.notlaterthan1July1996B.notlaterthan1July1998C.notlaterthan1July2002D.notlaterthan1July2004TheISMCode'soriginscanbetracedbackto.A.theyearof2002B.theyearof1998C.theyearof1989D.theyearof1980TheISMCodebecametobemandatory.A.throughtheSOLASB.in1974C.in1991D.in1993WhichofthefollowingisTRUE?TheISMCodeitselfisactuallyincludedintheSOLASConvention.TheISMCodeismademandatorybyareferenceinChapter9oftheSOLASConvention.AnewChapterIXtotheSOLASConventionisentitled"InternationalSafetyManagement”.hispassageismainlyonthecontentsoftheISMCode.BCABPassage99Acentrifugalfeedpumpmustnotbeoperatedunlessitisfullyprimed.Thepumpcasingshouldbefilledbeforestarting,thesuctionpipeandpipebranchtothedischargestopvalvemustalsobefull.Ifthewaterentersthepumpsuctionbygravity,primingisunnecessaryandthepumpwillremainfullofwaterwhenshutdown.Tofillthepump,openthesmallair-valveonthetopofthepumpcasinguntilwatercommencestoflow,thenshuttheair-valve.Ifthepumpisoperatingwithasuctionlift,itmaybeprimedeitherfromanindependentwatersupplyorfromthedischargeline,orbymeansofaventconnectionorexhausterwhichwillevacuatethepumpandsuctionpipingofair.afootvalvemust,ofcause,hefittedinthesecases.Thedischargevalveandair-valvesshouldbekeptclosedduringtheprimingofthepunyifdonebythelattermethods.Whichofthefollowingshouldnotbedonebeforethecentrifugalpumpisstarted?A.PrimingB.OpeningtheventC.ClosingthedischargestopvalveD.OpeningthesuctionstopvalveWhichofthefollowingstatementsisnottrue?Ifthepumpisrunningwithagravity,primingisimportant.Tofillthepumpcasingitisnecessarytoopentheairvent.Whenthewaterflowsfromtheairvent,itmeanspriminghasaccomplished.Thesuctionpipe,thepumpcasingandthepipetothedischargestopvalvemustbeprimedtoo.Accordingtothispassage,wecaninferthat"Afootvalve“ismostprobably.A.astopvalveB.acheckvalveC.anairvalveD.asuctionvalveThephrase“thelattermethods^^inthelastsentencemeans.A.anindependentwatersupplysystemB.agravityprimingsystemC.anexhaustersystemD.adischargelineprimingsystemCABC未找到:Theevaporator-distillervesselmaybeofcupro-nickelorothernon-corrodiblematerialoragain....选择题AgearpumpbelongstoaccordingtoitsworkingprincipleA.reciprocatingpumpsB.positivedisplacementpumpsC.centrifugalpumpsD.centripetalpumps答案为B。根据工作原理,齿轮泵属于【容积泵】。Whichofthefollowingshouldalwaysbecheckedpriortostartingadieselengine?A.AirfiltersB.FueloilstrainersC.CrankcaseoillevelD.Pyrometerreadings答案为C。启动柴油机之前应该检查曲柄箱油位。Inordertolimittheintroductionofalienspeciesbyships,wasadoptedon13Feb2004attheIMO.revisedMARPOLAnnexIrevisedMARPOLAnnexIIInternationalConventionfortheControlandManagementofShip'sBallastWaterandSedimentsISPSCode答案为C。为了限制由船舶带进外来物种,IMO于2004年2月13日通过了【《控制和管理船舶压载水和沉积物国际公约》】。TheISMCodeisapartof.A.SOLASB.MARPOLC.STCWD.BallastWaterConvention答案为A。ISMCode是SOLAS的一局部。Timedelayedordelayedaction-typefusesaredesignedto.preventgroundsinbranchcircuitspreventopensinmotorcircuitspermitmomentaryoverloadswithoutmeltingguardlightingandelectronicconditions答案为C。延时作用式熔断丝设计成【在瞬时过载时不会熔断,AccordingtotheISPSCode,forasailingship,thefollowingexceptshouldbeonboard.ashipsecurityplanashipsecurityofficeracompanysecurityofficercertainonboardequipment答案为C。根据国际船舶与港口设施保安规那么,对于一艘航行中的船舶,以下选项中除了【公司安全员】以外都需要在船上。Theabbreviation"ERM"intheManilaAmendmentstotheSTCWConventionstandsforA.EngineRoomManagementB.EngineResourcesManagementC.EngineerResourcesManagementD.Engine-roomResourcesManagement答案为D。STCW78/95Conventiondescribesthatarelaiddownforthecertificationofengineerofficersinchargeofawatchinatraditionallymannedengineroom,orthedesignatedengineerinaperiodicallyunmannedengineroom.A.availableminimumrequirementsB.availablemaximumrequirementsC.mandatoryminimumrequirementsD.mandatorymaximumrequirements答案为C。STCW公约规定的是有关船员培训、发证和值班的【强制性最低要求】。nInthevoyage,whencarryingoutabandonshipdrill,shouldbetestedeverytime.A、M.E.emergencyoperationB、main/auxiliarysteeringgearchangingC、air/oilemergencyshut-downD、theemergencylightingsystemformusterandabandonship答案为D.航行途中,每当进行弃船演习,应测试集合及弃船(站)的应急照明系统。Dualelectro-hydraulicsteeringusuallyoperate.withbothpumpsonlineatthesametimewithonepumponstandbywiththefollow-upgeardisconnectedonlywhentherudderismovedamidships答案为B。双作用电液舵机通常【有一个备用泵】。11.isnotonthecontrolpaneloftheemergencygenerator.A、voltagetransformerB、currenttransformerC、reverse-powerrelayD、voltageregulationdevice答案为C.逆功率继电器不安装在应急发电机的控制屏上。Theengineerinchargeshouldnotifytheintheeventofanyseriousoccurrenceorasituationwhereheisunsureoftheactiontotake.A.captainB.dutybridgeofficerC.chiefengineerD.secondengineer答案为C。在定航值班期间,假设发生严重事件而值班轮机员不能确定采取何种措施时应立即通知【轮机长】。Blacksmokecomingfromaboilercanbecausedby.A.lowwaterlevelB.excessivelyhighfuelpressureC.lowoilpressureD.improperair/fuelratio答案为D。空气/燃油比例不合适(空气太少),会使锅炉排气冒黑烟。Ovideanareawhereaircanseparatefromtheoilprovideanareatoseparatesolidcoractasanoilandwaterseparatorabsorbshocksoccurringinthesystem注蓄压器作用之一是消除液压系统的冲击。DAcargoholdhasbeendeterminedtohavearelativehumidityof80%andadrybulbtemperatureof80℃.Whentheholdissealedandthedrybulbtemperaturedecreases,therelativehumidityinthespacewill.A.decreaseB.increaseC.decreasetozeroD.remainunchanged注货舱内相对湿度是80%,干球温度是80℃,当货舱被密封,温度降低时舱内相对湿度将会增加。BUMSaremainlyunattendedovernightandduringthistimeshouldhavecontrolofthemainengine.A.thechiefengineerBtheengineeroncabinwatchC.thebridgeofficeronwatchDthemaster注无人机舱主要是夜间无人值班,在期间值班驾驶员应控制主机。CWhichofthetermslistedbelowrepresentstheoperationalspeedatwhichexcessiveenginevibrationiscreated?A.Non-harmonicspeed.B.Criticalspeed.C.Maximumspeed.D.Designmaximumspeed.注柴油机在临界转速下振动最大。BaccordingtowhatistheCargohandlingequipmentrated.A.cargocraneB.safeworkingloadC.jibD.oilpressure答案为B。货物装卸设备是根据起吊货物的【安全工作负荷】来确定额定转速。Aclass"C"fireisburning.A.dieseloilB.magnesiumC.dunnageD.electricalinsulation答案为D。AfireinvolvingaluminumpowderwouldbeaClass.A.AfireB.BfireC.CfireD.Dfire答案为D。铝粉着火是【D类火灾】。Theformationofcarbonmonoxideindieselexhaustgasesisreducedby。sprayingwaterintotheexhaustpipekeepingtheexhaustsystemfreeofcarbondepositsmaintainingpropercombustionandscavengingavoidinglightloadoperation答案为CCylindersofmarinedieselenginesarenormallycooledby.A.seawaterBsanitarywaterC.finemineraloilD.freshwater答案为D。船用柴油机的气缸一般都用淡水冷却。Thecommonmethodofapplyingoiltothecylinderwallsisbymeansofsmallpumpassembledinunits,knownas.A.mechanicallubricatorB.forcedfeedsystemC.lubricationfunctionD.lubeoilheater答案为A。向气缸壁供油的常用方法是采用小型油泵,即机械式注油器。OilRecordBookPartIshallbeprovidedto.A.everyshipof400tonsgrosstonnageandaboveB.everyoiltankerC.everyshipD.anyship答案为A。Ifyounoticesmokecomingfromthecrankcaseexhaustfanoutletofanopera

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论