電子電氣員英語考試復(fù)習(xí)題庫（含答案）

PAGEPAGE156電子電氣員英語考試復(fù)習(xí)題庫（含答案）一、單選題1.Whenweusethermal–relaytorealizemotoroverloadprotection,itscurrentsettingis___.A、twotimesthanthevalueoftheratedcurrentB、twotimesthanthevalueofthestartingcurrentC、thevalueofthestartingcurrentD、thevalueoftheratedcurrent答案：D2.Ancarrierisatankshipdesignedfortransportingliquefiednaturalgas.A、LNGB、OBOC、LPGD、SAR答案：A3.Web___isoneofmanysoftwareapplicationsthatfunctionastheinterfacebetweenauserandtheInternet.A、attributeB、titleC、displayD、Browser答案：D4.Inthefirealarmsystems,themondetectingdevicesdon’tincludethe______A、ThermalsensorB、IonizationsensorC、InfraredsensorD、Levelsensor答案：D5.InAutoChiefC20,theengine_speedisprovidedbyeithertheAutoChiefControlPanelorbyamanualcontrollever.A、actualB、instantaneousC、desiredset-pointD、Limiting答案：C解析：《電子電氣員英語》P138數(shù)字調(diào)速單元第三句6.Asthefollowingindicates:asemiconductorconsistsofaPNjunctionandhastwoterminals,namely,anodeandcathode.Itcanbeusedasa.A、diode,rectifierB、thyristor,amplifierC、bipolarjunctiontransistor,rectifierD、triode,transformer答案：A7.TheinputandoutputsignalsofMainEngineInterface(MEI)doNOTinclude.A、outputdigitalsignalsB、outputsignalsforsolenoidvalveactionC、potentiometeroutputD、outputanaloguesignals答案：D8.Whichstartingmethodinvolvesareductionofthestartingcurrent,andalsoareductionintheinrushtorque？A、ReducedvoltagestartingB、DirectonlinestartingC、Auto–transformerstartingD、softstarting答案：A9.Intheelectricalpropulsionsystem,thevariablespeedelectricalmotorisnormallyusedforpropellersystem.A、fixedpitchB、variablepitchC、controlledpitchD、controllablepitch答案：C10.Thedistancebetweenthebottomofhallandthewaterlineiscalled___.A、reservebuoyancyB、draftC、FreeboardD、Tonnage答案：B11.Theshipsecurityplanshouldbesubmittedto___forapproval.A、theCSOB、theAdministrationC、thePSCOD、theSSO答案：B12.Thethreeleadwiresofathyristorare_____.A、No.1and2base,emitterB、Anode,cathode,gatepoleC、Anode,cathode,baseD、Collector,emitter,base答案：B13.TheautochiefC20ACPisthemainoperatorcontrolpanel,normallysituated_____A、BothonthenavigationbridgeandintheenginecontrolroomB、OnthenavigationbridgeC、EitheronthenavigationbridgeorintheenginecontrolroomD、Intheenginecontrolroom答案：A14.sensorareusedin___suchastouch-sensitiveelevatorbuttonsandlamps.A、everydayobjectsB、militaryobjectsC、rocketingobjectD、high-gradeobject答案：A15.Theresistanceofelectricwirewilldecreaseasits’___.A、percentofmetullicpuritiesincreasesB、lengthincreasesC、cross–sectionalareaincreaseD、temperatureincreases答案：C16.Dieselenginecontrolcanbeobtainedbythebridge___.A、onlyaftertheengineroomcontrolstationisswitchedto“bridgecontrol”B、withtheapprovalofthechiefengineeronlyC、Atany-timeD、wheneversecondarystationisswitchedto"bridgecontrol".答案：A17.Someessentialequipment,，e.g.amainswitchboardcanbemonitoredusingspeciallyfittedandapprovedenclosurewindowssuitableforinfra-redtesting.A、on-lineB、off-lineC、in-lineD、out-line答案：A18.WhichoneofthefollowingINMARSATservicesprovidesmunicationsbytelephone,facsimile,anddata?A、INMARSAT-F/BB、SafetyNETC、INMARSAT-CD、VHF-FM答案：A19.Theintegratedbridgesystempertainstoaspectsdealingwiththefunctionsexcept.A、navigationalmanagementB、alarmingC、weatherroutingD、conningdisplay答案：C20.TheARPAstandsfor.A、AudioRadioPlottingAidsB、AutomaticRadarPlottingAidsC、AndRadarPeopleAidsD、AidsRadarPeopleAnd答案：B解析：ARPA（AutomaticRadarPlottingAids）自動雷達(dá)標(biāo)繪儀21.Whattypeofelectricmotorismostmonlyusedonboardship?A、FullyenclosedelectricmotorB、SynchronouselectricmotorC、AsynchronousmotorD、Watertightelectricmotor答案：C22.Localareanetworkisanetworkthatconnects___.A、widegeographicalareaB、interphoneC、geographicallycloseresourcesD、mobilephone答案：C23.Whatdoesstandfor？A、webwideworldB、wideworldwebC、worldwidewebD、worldwebwide答案：C24.Thefrequentlyusedinternetbrowsersoftwaresdon'tinclude.A、InternetExplorer8.0B、MSN2011C、GoogleChrome13D、Opera11答案：B25.IfyouwanttochoosemultipleadjacentworksheetsinExcel,youmustclickonthekeysimultaneously.A、EscB、TabC、AltD、Shift答案：D26.ACC20usedof___installeddirectlyinthejunctionboxonthemaingengine.A、CentralizedprocessingunitB、MobileC、distributedD、Intergrated答案：C27.Inordertomaintainthemechanicalstrengthofthemetal,___hastobeused.A、pressedairsystemB、BedplateC、theframesD、thecylinder答案：C28.Whenthree–phasesynchronousgeneratorisno–loadrunning,thearmaturecurrent___.A、couldbearbitraryregulationB、isthebiggestC、ischangewithvoltageD、is0答案：D29.TheHVelectricalpermitrequirementsandproceduresaresimilartopermitsusedtocontrolaccessinanyhot-worksituationexcept.A、weldingB、cuttingC、burningD、Wiring答案：D30.Whenthemarinepowerstationis___,itshouldbeabletounloadseconduryloodautomatically.A、overvoltageB、overloadC、undervoltageD、underload答案：B31.Oneshould___inordertopreventthespreadofthefirebyconduction.A、closeallopeningstotheareaB、removebustiblesfromdirectexposureC、shutoffallelectricpowerD、coolthebulkheadsaroundthefire答案：D32.Allecho-sounderscanmeasurethe.A、averagedepthofwatertosoftbottomB、averagedepthfromwaterlinetohardbottomC、actualdepthofwaterbelowkeelD、actualdepthofwater答案：C解析：《電子電氣員英語》P236第一段第一句測深儀是一種可以用來測量富余水深（龍骨下凈深）的裝置33.isusedtoadjustthedraftandcenterofgravity.A、BallasttankB、BridgeC、BulkheadD、Bunkertank答案：A解析：draft(吃水深度)，控制船舶吃水深度的是壓載艙（ballasttank）34.UMSaremainlyunattendedovernightandduringthistime____shouldhavecontrolofthemainengine.A、thebridgeofficerownwatchB、ThechiefengineerC、TheengineeroncabinwatchD、Themaster答案：A35.Thefrequencyofthealternatingcurrentgeneratedbyasynchronousgeneratorisgovernedbythespeedandthe___.A、fullexcitationB、powerfactorC、numberofpolesD、Load答案：C36.___concernshealthprotectionmedicalcareoftheseafarers.A、STCWB、MARPOLC、SOLASD、MLC2006答案：D37.isinchargeofthemainengine.A、ThechiefengineerB、ThesecondengineerC、ThethirdengineerD、Thefourthengineer答案：B38.AProgrammableLogicControllers,knownasaPLCforshort,interactswiththeexternalworldthroughitsand.A、input,outputB、processorunit(CPU),memoryC、programmingdevice,powersupplyunitD、RS485,RS232答案：A39.Thebasicelementspresentinthelooparea_____,apactorandregulators,allofwhichsurroundtheprogresstheloop.A、DetectorB、RelayC、TransmitterD、Controller答案：D40.Theexcitermustvarywith___inmaintainingthealternatorvoltage.A、loadcurrentonlyB、powerfactoronlyC、loadcurrentandthepowerfactorD、voltageandthespeedchangeoftheprimemover答案：C41.TheGPSisa/an___satellitenavigationsystem.A、earth–basedB、space–basedC、shore–basedD、beach–based答案：B42.Lowvoltageswitchboardfeedsvarioussmallpowerconsumersexcept.A、pressorsB、pumpsC、mainenginesD、Ventilation答案：C43.TheconstituentpartsofDataChiefC20alarmandmonitoringsystemdon'tinclude.A、DistributedProcessingUnit(DPU)B、RemoteOperatorUnit(ROS)C、WatchCabinUnit(WCU)D、BridgeWingManoeuvringUnit(BWU)答案：D44.InChina,theadministrationforimplementingSOLASconventionis___.A、theshipclassificationsocietyB、theharborbureauC、theAdministrationoftheflagstate(MSA)D、shippany答案：C45.Amotorischaracterizedbydifferentparameterswhichidentifyitscorrectapplicationfield.A、mechanicalandconstructionalB、mechanicalandtechnicalC、electricalandconstructionalD、electricalandtechnical答案：C46.TheabbreviationIBSmeans.A、integratedbridgesystemB、importantbridgesystemC、inputbridgesignalsD、inductivebridgesignals答案：A解析：IBS（integratedbridgesystem）綜合駕駛臺系統(tǒng)47.WhichofthefollowingequipmentdoesnotbelongtoGMDSS？A、INMARSAT–CB、DSCC、GPSD、EPIRB答案：C48.Iftheoverloadbuildsupveryquickly,ageneratorover–currenttripcanbepreventedbyusing___.A、anunder–voltageprotectionB、apreferencetriprelayC、athermalprotectionD、areversepowerprotection答案：C49.Intheelectricpropulsionsystem，wemustuseanelectricdrivingmotorof___.A、constantrevolutionspeedB、steadyrevolutionspeedC、controllablerevolutionspeedD、stabilizedrevolutionspeed答案：C50.ThePortAuthorities,inaccordancewiththeIMOresolutionshavebeencarryingouttoenhancesafetyofships.A、CPPB、FPPC、PSCD、FSC答案：C51.Anti-Virusprotectsyourputerfromvirusesbyyourputer'smemoryanddiskdevices.A、deletingB、changingC、replacingD、Scanning答案：D52.Toimprovethepointingaccuracyofthegyropass,theshouldbepensated.A、velocityerrorB、rollingerrorC、latitudeerrorD、ballisticerror答案：C解析：velocityerror（速度誤差）、rollingerror（搖擺誤差）、ballisticerror（沖擊誤差）、latitudeerror（緯度誤差）53.Theabbreviationandfullnameofthefollowingpictureis.A、GPS(GlobalPositioningSystem)B、Radar(RadioDirectionAndRanging)C、Inmarsat(InternationalMaritimeSatelliteSystem)D、ECDIS(ElectronicChartDisplayandInformationSystem)答案：D54.ThepowerfactorofanACgeneratoroperatingsingularlyisdeterminedbythe.A、connectedloadB、primemoverspeedC、fieldexcitationD、generator'sratedvoltage答案：C55.Inadeckcrane,a___motorisusedforrotatingthecrane.A、liftingB、slewingC、luffingD、Hoisting答案：B56.possiblephaserelationshipsbetweenvoltageandcurrentinanalternatingcurrentcircuitincludewhichofthefollowingconditions？①currentandvoltagemaybeinphase②currentmayleadthevoltage③currentmaybelagthevoltageA、②③B、①②③C、②D、①③答案：B57.Inthefourchoicesbelow,whichponentdoesn'tbelongtotheship'spublicaddresssystem?A、broadcasthostmachineB、broadcastcontrolboardC、loudspeakerD、telephonereceiver答案：D58.UMSstandsforinthemaritimesubject.A、ultramuchspaceB、universalmediumsystemC、unitmachinedspaceD、unattendedmachineryspace答案：D解析：UMS（UnattendedMachinerySpace）無人值班機(jī)艙59.Intheeventofasmallbunkeroilspillondeckoccurringwhilebunkering,youshould.A、washdowntheareaimmediatelywithafirehoseB、washdowntheareawithkeroseneC、covertheareawithabsorbentmaterialD、covertheareawithfoam答案：C60.SynchronousmotorsareonetypeofACmotorwhichcanbeusedfor___.A、freshwatergeneratorB、pumpsC、electricalpropulsionsystemD、auxiliarybolier答案：B61.TheInmarsatsatellitearecontrolledby___.A、NOCB、SCCC、NCSD、LES答案：B62.Amongthestatementsaboutthesquirrelcagetypemotorandthewoundrotortypemotor,whichisnottrue？A、Thelatterhasgoodstart–upandspeedregulationqualityB、Thestart–upandspeedregulationoftheformerisnotgoodC、ThestructureoftheformerissimpleD、Theformerhasarelativelyplex答案：D63.Whichfullformofthefollowingabbreviationsonboardisnotright?A、ECR-enginecontrolroomB、RDF-radiodirectionfinderC、VDR-videodiskrecorderD、CCTVs-CloseCircuitTelevisionMonitoringSystem答案：C解析：VDR(VoyageDataRecorder)航行數(shù)據(jù)記錄儀64.extinguisherismostsuitableforfightingoilfire.A、WaterB、CO2C、FoamD、Halogen答案：C65.Thewheelhouseissituatedon_____A、AcmodationdeckB、BridgedeckC、CaptaindeckD、Boatdeck答案：B66.TheabbreviationLANstandsfor.A、LocalAreaNetworkB、LogicalAreaNetworkC、LoadingAidsNetworkD、LogisticsAidsNetwork答案：A解析：LAN（局域網(wǎng)）localareanetwork67.Electricdrivesystemofthesteeringgearshouldbeprovidedwithcontrolstation(s)atleast.A、1B、2C、3D、4答案：B解析：至少設(shè)有駕駛室和舵機(jī)房兩個控制站，且配備轉(zhuǎn)換開關(guān)。68.TheIBSshouldallowsystemstoperformsomeoperationsexcept___.A、anchoringandunmooringB、loadinganddischargingC、passageexecutionD、machinerycontrol答案：A69.Whichofthefollowingstatementsisnottrue?A、TheACinductivemotorissuitableforfixedspeedsystem.B、TheDCmotorisbettersuitedforthevariable-speedsystem.C、TheDCinductivemotoriswidelyusedinshipelectricdrivesystem.D、Amechanicaldevicewhoseprimemoveriselectricmotoriscalledtheelectricdrivesystem答案：A70.Whenthereisaflamefailureinanautomaticallyfireauxiliaryboiler,the______A、AirsupplyisshutoffB、WatersupplyisshutoffC、FuelsupplyisshutoffD、Safetyvalvelifts答案：C71.For___keyencryption,thereisapairofkeysforeachpartyapublickeyandaprivatekey.A、asymmetricB、passwordC、symmetricD、Inscriptional答案：A解析：對稱加密算法在加密和解密時使用的是同一個秘鑰；而非對稱加密算法需要兩個密鑰來進(jìn)行加密和解密，這兩個密鑰是公開密鑰（publickey，簡稱公鑰）和私有密鑰（privatekey，簡稱私鑰）。72.Airsamplingsmokedetectorsareoftenusedtodetectsmokein.A、theengineroomB、thebridgeC、thecentralcontrolroomD、thecargohold答案：D73.ThecoreofanElectronicChartDisplayandInformationSystem(ECDIS)is.A、thememoryofmarinemapsB、mainframeputersystemC、indicatorD、navigationinterface答案：B74.referstothepartsoftheputerthatyoucanseeandtouch.A、SoftwareB、HardwareC、CPUD、Keyboardandmouse答案：B75.Thefieldcoilsandthearmature.Thisisinfactthearrangementadoptedforlarge,heavydutyalternators.A、arestationary/rotatesB、arestationary/isstationaryC、rotate/isstationaryD、rotate/rotates答案：B解析：大型交流同步發(fā)電機(jī)一般采取線圈旋轉(zhuǎn)磁極式電機(jī)，線圈靜止，旋轉(zhuǎn)磁極，電樞（armature）屬于定子也是靜止的。76.TheobjectiveofISPSCodeis.A、toprotectthemarineenvironmentB、toprovideamethodtoavoidanaccidentC、toprotecttheshipfromcollisionD、tokeepterrorismactionawayfromships答案：B77.Intheboilerwatercontrolsystem,wecan'tadopt.A、atwopositioncontrolbyelectrodesB、atwopositioncontrolbyfloatswitchC、astabilizationcontrolbydifferentialpressuretransmitterD、astabilizationcontrolbyfloatswitch答案：D78.The___isnotonthecontrolpaneloftheemergencygenerator.A、voltagetransformerB、reverse–powerrelayC、currenttransformerD、voltageregulationdevice答案：B79.Astothefiredetectors,isthemostwidelyusedfiredetectoraboardandcandetect70%ofallfires.A、AflammablegasdetectorB、AphotosensitivedetectorC、AthermaldetectorD、Asmokedetector答案：D80.Forthoseequipmenttoberepairedorthoseunderrepairing,mustbehungontherelevantswitchtoensurethesafetyoftheoperator.A、anindicatinglightB、workingclothingC、ahardhatD、anotice答案：D解析：notice（警示牌）81.AswitchboardforanACelectricalsystemrequirestheuseofwhichofthefollowingdevices?A、FrequencymeterB、OhmmeterC、Inductionvoltageregulator.D、Currenttransformergovernor.答案：B82.Asilicon-controlledrectifier(SCR)consistsofafour-layersiliconwaferwithPNjunctions.A、oneB、twoC、threeD、Four答案：C解析：SCR（silicon-controlledrectifier）可控硅，晶閘管83.UnderPortStateControl(PSC),inspectionofshipsinportwouldbetakenby.A、localgovernorB、PortStateControlOfficer(PSCO)C、IMOOfficerD、crewmembers答案：B84.Whenashipisinashipyardforrepair,a/an___willusuallybetaken.A、maingeneratorsupplyB、shoresupplyC、emergencysupplyD、batterysupply答案：B85.Withtheadventof,ithasbeepossibletobuildpletelyelectronicfrequencychangers.A、mercuryarcrectifiersB、vacuumtubesC、electronicdevicesD、solidstateelectronics答案：C86.Thefollowingstatementsarethepropertiesofputernetworkexcept___.A、mandhumanbeingsB、interferewithothertechnologiesC、permitsharingofdataandinformationD、facilitatemunications答案：A87.Thepropellermustrotateatrelativelylowspeed,sodieselenginescanbedirectlycoupledtothepropellershafting.A、mediumspeedB、highspeedC、lowspeedD、four-stroke答案：C解析：《電子電氣英語》P13低速柴油機(jī)曲軸可以直接連到螺旋槳軸，中高速柴油機(jī)不能直接相連，要使用減速齒輪箱88.Iftheshipisfoundtoplywithregulations,thePSCOwillissuea“clean”inspectionreporttothe___oftheship.A、electricalengineerB、chiefengineerC、chiefofficerD、Master答案：D89.InthebridgeorenginecontrolroomACPofACC20,thetelegraphis___.A、thelevertelegraphunitB、theenginesafetyunitC、themainengineinterfaceD、thepushbuttontelegraph答案：A90.Ifthecoastguardwantstoknowyourship’spositiontoeffectsearchandrescue,whatequipmentcanbeofhelpful?A、INMARSATB、EPIRBsC、SARTsD、DSC(DigitalSelectiveCalling)答案：B91.Astothefollowingpicture,whichofthefollowingstatementsiswrong?A、ThisisaRadar,RadioDirectionAndRanging.B、It’susedindistress.C、Radarcanservenotonlyforpositionfixingbutalsoasananti-collisiondevice.D、Innavigation,itcanbeusedinallconditionsofvisibility,particularlyusefulinfogandduringnight.答案：B92.Aclosed-loopcontrolsystemusesaoftheoutputandfeedbackofthissignaltopareitwiththedesiredoutput.A、measureB、partmentC、measurementD、pare答案：A93.TheMARPOLConventionisthemaininternationalconvention.A、aboutmarinepollutionpreventionB、coveringmarineprotectionoflifeC、aboutmarineD、aboutshipandportsecurity答案：A94.Shippowersystemisposedofthe___A、Powersupply,voltageregulator,powergridB、Controlscreen,loadscreen,sub-panel,theemergencyswitchboardC、Powersupply,powerdistributionequipment,theloadD、Powersupply,load答案：C95.WhatisanINMARSAT"SubscriberNumber"?A、Thisidentifiesthevessel'sselectivecallingnumber.B、Thisisthevessel'sINMARSATregistrationnumberforaccountingauthoritypurposes.C、ThisistheINMARSATnumberthatisassignedtoaunitforiningcalls.D、ThisnumberisusedforreceivingnewsandotheroptionalservicesinFleetNET.答案：C96.Whentwodifferenttypesofnetworkconnectwitheachother,a____isindispensabletomakeit.A、RouterB、RepeaterC、TransceiverD、Switchboard答案：A97.ECDISshallmaketheoftheelectronicnavigationalchartreliableandeasy.A、supplyB、updatingC、applicationD、Display答案：B解析：《電子電氣員英語》P244倒數(shù)第二段最后一句，電子海圖顯示與信息系統(tǒng)的更新應(yīng)簡單和可靠。98.Aradarsetproducesradiowaresandthengivesthemoutinthespacebymeansofits___.A、heightofwiresB、antennaC、highfrequencyD、radioX–ray答案：B99.Theisadevicethatenablestheputertohandlesounds.A、networkcardB、videocardC、soundcardD、Monitor答案：C100.Thefollowingequipmentisusedforlifesaving.What’sitsname?A、Asemi-closedlifeboat.B、Aenclosedlifeboat.C、Aopenlifeboat.D、Afreefalllifeboat.答案：B101.WhatkindofmainenginecontrolsystemdoesAUTOCHIEF-IVbelongto?A、relay-typemainenginecontrolsystemB、microputercontroltypemainenginecontrolsystemC、ICtypemainenginecontrolsystemD、fieldbustypemainenginecontrolsystem答案：B102.Ofthefollowingships,___carrystandardsizedcargotransportunitswhichcanprotectthecargoagainstbadweatherandtheft.A、cruisersB、bulkcarriersC、containershipsD、OBOS答案：C103.Itcanbeseenthereforethatinaclosedloopcontrolsystemthecontrolactionisdependedonthe.A、outputB、inputC、setvalueD、desiredvalue答案：A104.Firedetectingsystemonmerchantvesselscannotsense___.A、smokeB、rateoftemperatureriseC、ionizedparticlesD、waterlevel答案：D105.Onboardships,agroundedfieldcoilinanACmotorcanbedeterminedbyusinga.A、portablegrowlerB、galvanometerC、visualinspectionD、megohmmeter答案：A解析：growler（短路線圈測試儀）106.Typically,firewallsareplacedontheentrypointtoa___networksuchastheInternet.A、publicB、privateC、nationalD、Local答案：A107.Analarmsystemshallbeprovidedindicatingany___requiringattention.A、OutofplaceB、suitableC、FaultD、Right答案：C108.BeforeworkisconnectedonHVequipmenta/an___mustbeissued.A、musterlistB、securityplanC、SSPD、Electricalpermittowork答案：D109.ThepropulsioncontrolwasdonebyspeedcontroloftheFPP,whichstandsforthe.A、FloatingPointPropellersB、FixedPitchProcessorsC、FloatingPointProcessorD、FixedPitchPropellers答案：D110.Whenyouaremakingahighpotentialtestonapieceofrepairedelectricalmachinery,ariseinleakagecurrentindicate______A、GoodinsulationB、PoorinsulationC、HighslotdischargefactorD、Highinsulationpowerfactor答案：B111.Wecancalculatetheverticaldistancebetweenseasurfaceandtheseabedby.A、deductingtheship'sdraftfromtheUKCB、addingtheUKCandtheship'sdraftC、deductingtheUKCfromtheship'sdraftD、doublingtheUKC答案：B解析：《電子電氣員英語》P236第一段倒數(shù)第二句可知，海水表面和海底之間的垂直距離等于富余水深（UKC）和船舶吃水深度的和112.Ofthefourevents,providesthefiringforce.A、suctionB、pressionC、expansionD、exhaust答案：C113.theabbreviationIBSmeans___.A、inputbridgesignalsB、importantbridgesystemC、inductivebridgesignalsD、integratedbridgesystem答案：D114.AlloilspillshappenedinChinamustbereportedtothe___.A、localpoliceB、MSAofChinaC、MOLD、localfiredepartment答案：B115.Thenetworkequipmentsandponentsarephysicalentitiesconnectedtothenetwork.WhichofthefollowingisNOTanetworkequipmentorponent?A、repeaterB、routerC、operatingsystemD、Bridge答案：C116.Analarmsystemenablesthemonitoringofcertainmeasured.A、ConstantB、variableC、desiredvalueD、measuredvalue答案：D117.Theoperationmediumforcontrolsystemsmaybe_____A、ElectricityB、pressedairC、Allofpressedair,hydraulicoilandelectricityD、Hydraulicoil答案：C118.ThemostwidelyusedrevolutionspeedregulatingmethodofanACdrivingmotorintheelectricpropulsionsystemisby___.A、rotorresistancevariationB、frequencyvariationC、statorvoltagevariationD、polechanging答案：B119.EarthfaultsofthethreephaseACgeneratorsandmotorsareusuallydetectedbytheuseof___onboardships.A、fourearthindicatinglampsB、aearthindicatinglampC、twoearthindicatinglampsD、threeearthindicatinglamps答案：C120.Whattypeofelectricmotorismostadoptedonboardinthemarineelectricdrivesystem___.A、asynchronouselectricmotorofwoundrotortypeB、asynchronouselectricmotorofsquirrelcagetypeC、directcurrentmotorD、synchronouselectricmotor答案：B121.OfthevariousHVbreakers,themostpopularandreliableare___.A、theoil–breakersB、thevacuumbreakersC、theairbreakersD、thegas–breakersusingSF6答案：B122.Whichoneofthefollowingvoltagesisnotthecorrectstandardhighvoltagelevel。A、0.6kVB、6.6kVC、3.3kVD、10kV答案：A123.Asageneralrule,thefirsttroubleshootingactiontobetakenincheckingfaultyelectriccontroldevicesisto_______A、TestallfusesandmeasurethelinevoltageB、TakereadingC、DrawaonelinediagramofthecircuityD、Insulatetheapparatusfromground答案：A124.Two–positioncontrollercanalsobecalled___.A、integralcontrollerB、derivativecontrollerC、proportionalcontrollerD、on–offcontroller答案：D125.Toensureadependableindependentpowersourcewiththecapacitytosupplyallthoseservicesnecessaryinanemergency,a/anisincorporatedinallvessels.A、mainpowerdistributionsystemB、emergencypowerdistributionsystemC、secondarypowerdistributionsystemD、standbypowerdistributionsystem答案：B126.Whichiswrongaboutthefunctionsofthetransformer？A、currentchangeB、voltagefrequencychangeC、voltagechangeD、impedancechange答案：B127.Theaddressablefirealarmpanelsusuallyhaveanumberofsignalinglinecircuitloops-usuallyreferredtoasloopsor.A、SLCLB、SMCC、SLCD、ASLC答案：C128.Intheshortcircuitprotectionoftheautomaticpowerplant,theautomaticfunctionwillbeblockedto______.A、SwitchonthetrippedgeneratoragainB、StartthestandbygeneratorC、Preventthe2ndshortcircuitD、Tripgenerator答案：C129.AtleastsatelliteswillalwaysbevisiblesimultaneouslytoGPSreceiversatanylocationonorabovetheearth,24hoursaday.A、threeB、fourC、fiveD、Six答案：B130.Correctsettingandverificationofsettingduringmissioningandregularmaintenanceis___forsafeoperationsofvessel.A、needlessB、essentialC、helplessD、Useless答案：B131.Rotorandstatorofthealternatorwerecleanedbyspecialcleaner,driedandpaintedwithonecoatof___paint.A、insulatingB、waterproofC、insulatedD、Dustproof答案：A132.Theisanetworkofsatellitethatcontinuouslytransmitscodedinformation,whichmakesitpossibletopreciselyidentifylocationsonearthbymeasuringdistancefromthesatellites.A、IntegratedBridgeSystem(IBS)B、AutomaticIdentificationSystem(AIS)C、GlobalPositionSystem(GPS)D、ElectronicChartDisplayandInformationSystem(ECDIS)答案：C133.InautochiefC20,the______isusedontheship’smainenginetocontroltheengineRPM.A、EnginesafetyunitB、DigitalgovernorunitC、VesselmotinanalyzerD、Manoeuvringrecorder答案：B134.AccordingtoMaritimeLabourConvention2006,shipsshouldprovideandmaintaindecentacmodationsandrecreationalfacilitiesforseafarersonboard.A、workingB、livingC、workingandlivingD、Life答案：C解析：《電子電氣員英語》P310規(guī)則3.2第二段原話135.Theaccumulationofdirtonelectricalequipmentwillresultinthefollowingexcept___.A、overloadB、currentleakageC、earthfaultD、insulationbreakdown答案：A136.WhatdoesPCmean?A、PeoplecontrolB、PersonalputerC、PolicecentreD、Plottingcontrol答案：B137.Inroughwater,the___helpedprovidethepowertoholdtherudderinposition.A、gyropassB、mainengineC、steeringengineD、Generator答案：C138.Whenthefirstclassorsecondclassradioelectroniccertificateholderisnotavailableonboard,isresponsibletomaintainandrepairallmunicationequipment.A、theGOCoperatorsB、theETOC、thesecondofficerD、themaster答案：B解析：《電子電氣員英語》P252最后一段第三句139.Theisolatingswitchcanensurethesafetyofhighvoltagemaintenanceandrepair,whichofthefollowingcircuitsneedn'tanisolatingswitch?A、circuitbetweenhighvoltagebusbarsandgeneratorbreakerB、circuitbetweenhighvoltagebusbarsandpowerdistributingbreakerC、circuitbetweenhighvoltagebusbarsandtransformerbreakerD、circuitbetweenlowvoltagebusbarsandpowerdistributingbreaker答案：D解析：隔離開關(guān)一般用在高壓系統(tǒng)140.InAutoChiefC20,allsignalstoandfromtheenginearetransmittedon.A、RS-485busB、ProfiBusC、EthernetD、CANfieldbus答案：D141.Inabipolartransistor,collectorcurrentiscontrolledbyasmallchangein___.A、basecurrentB、emittervoltageC、emittercurrentD、collectorvoltage答案：A142.Thestar-deltastarterisaneffectivemethodofvoltagestartingofamotor.A、reducedB、increasedC、unchangedD、Eliminated答案：A143.DuringthePSCinspection,undertheprovisionsofSOLAS74,whichonemaynotberegardedasdeficiencyforships'detainment?A、failureoftheproperoperationofthesteeringgearB、failureofproperoperationofelectricalinstallationsC、leakageofdomesticwaterpumpD、insulationofexhaustpipesinengineroomcontaminatedbyoil答案：D144.Theistorecordvariousdataandeventsencounteredaboardship.A、GPSB、AISC、VDRD、ESAS答案：C145.Thefuelsupplysystemtoanautomaticauxiliaryboilerwillbeautomaticallyshutdown.Iftheboiler___.A、salinityisabnormallyhighB、steamdemandistoohighC、FeedwaterflowislowD、waterlevelistoolow答案：D146.Ifyouwanttoclosethewordwindow,youmayclickon“file”menu,andthenclickonthe___.A、sendB、exitC、closeD、Save答案：C147.___canworkastheplatformofbroadbandmultimediaaccessservice.A、InmarsatMB、InmarsatFC、InmarsatBD、InmarsatC答案：B148.Thefunctionofshortcutkey“control+C”is___.A、cutB、deleteC、pasteD、Copy答案：D149.Astothefollowingpicture,whichofthefollowingstatementsisnottrue?A、It’sanoilywaterseparator.B、It’sanimportantanti-pollutionequipmenttoensuretheprotectionofthemarineenvironment.C、It’sanoilseparator.D、Itmustbeabletodischargecleanwaterwithlessthan15ppmofoil.答案：C150.concernshealthprotection,medicalcareoftheseafarers.A、SOLASB、MARPOLC、MLC2006D、STCW答案：C151.meansaplandevelopedtoensuretheapplicationofmeasuresonboardtheshipdesignedtoprotectpersonsonboard,cargo,cargotransportunits,ship’sstoresortheshipfromriskofasecurityincident.A、ShipSecurityPlanB、panysecurityplanC、PortfacilitysecurityplanD、Nationalsecurityplan答案：A152.WhatdoestheabbreviationVHFstandfor.A、Vessel'sHoistingFlagB、VeryHighSafetyC、Vessel'sHomingFrequencyD、VeryHighFrequency答案：D153.AccordingtotheSTCWConventionManilaAmendment,theelectro-technicalofficerisatthe__.A、SupportlevelB、OperationallevelC、MaintenancelevelD、Managementlevel答案：B154.putersinterconnectedbymunicationchannelsshould.A、shareresourcesandinformationB、notshareresourcesandinformationC、shareonlyresourcesD、shareonlyinformation答案：A155.Thedisadvantagesoftheasynchronousmotorarethatitrequires___anditproducesalowstartingtorque.A、muchinitialcurrentB、littleinitialcurrentC、constantcurrentD、directcurrent答案：A156.isusedtoalerttoshipsbytheshipsindistress.A、EPIRBB、SARTC、MESD、DSC答案：D157.Startingmethodcandevelopahighstartingtorquewithreduceacceleradtiontime？A、D/YB、RotorresistancestartingC、softstartingD、Directonlinestarting答案：D158.Inatypicalnetworkconfiguration,theinternalnetworkisseparatedfromexternalnetworksby___.A、serverB、anti–virussoftwareC、firewallgatewayD、Hub答案：D159.WhattheMFstandsfor?A、MiddleFrequencyB、MediumFrequencyC、MediaFrequencyD、MediateFrequency答案：B160.Theterm'oil',asusedinthePollutionPreventionRegulations,means_.A、fueloilonlyB、crudeoilonlyC、liquefiedpetroleumgasD、petroleumoilofanykind答案：D161.___foranHVcablerequiresamoreplicateddesignthanisnecessaryforanLVtype.A、conductorinsulationB、conductorC、conductorinstallationD、conductorventilation答案：A162.TheGMDSSenablesdistressalertinganditsrelaystobetransmittedindirection.①ship-to-ship②ship-to-shore③shore-to-shipA、①②B、①③C、②③D、①②③答案：D163.Whichstartingmethodcancausethehighelectro–dynamicalstressesonthemotorconnectioncableandviolentaccelerations？A、DirectonlinestartingB、RotorresistancestartingC、star–deltastartingD、softstarting答案：A164.Transistorhas___PNjunction.A、1B、2C、3D、4答案：B165.WhatistheapproximaterangeofVHFradiowaveduringthedaytime？A、600nmilesB、30nmilesC、150nmilesD、1200nmiles答案：B166.Whenthewireofmotorisconnectedtothemetallicframeandeasing,itwillrapidlydevelopinto___.A、ashort–circuitfaultB、anearthfaultC、aloss–of–loadfaultD、anoverloadfault答案：B167.WhichofthefollowingbestdescribesInmarsat-Coperation?A、Itisananalog-basedsystem.B、Itrequiresastabilizeddirectionalantenna.C、Itprovidesforvoice,telex,high-andlow-speeddataandpressedvideomunications.D、Itisadigitalstore-and-forwardsystemthatalsoprovidesEnhancedGroupCall,datareporting,pollinganddistressalertingcapabilities.答案：D168.Thesuccessfuluseofbatteriesonboardshipdependsuponthefollowingexcept.A、selectionoftherighttypeandsizeofbatteryandcontrolgearB、correctinstallationC、frequentlycharginganddischargingD、regularinspectionandmaintenance答案：C169.Emergencyreversedisachievedbypushingthebuttoninamainenginecontrolsystem.A、change-overB、shut-downC、emergencyrunningD、emergencystopping答案：C170.Theworkingofagyropassdependsona__discord___ofplanet.A、f