电子技工英语题库.docx

电子技工英语题库.docx

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电子技工英语题库

船舶電子技工題庫

電氣系

12級船電班Thursday,January09,2014

【关联题】Insynchronousmachines,adirectcurrentisappliedtotherotorwinding,whichthenproducesarotormagneticfield.Therotoristhenturnedbyaprimemoverproducingarotatingmagneticfield.“Fieldwindings〞appliestothewindingsthatproducethemainmagneticfieldinamachine,and“armaturewindings〞appliestothewindingswherethemainvoltageisinduced.Forsynchronousmachines,thefieldwindingsareontherotor,sotheterms“rotorwindings〞and“fieldwindings〞areusedinterchangeably.Therotorofasynchronousgeneratorisalargeelectromagnetandthemagneticpolesontherotorcaneitherbesalientornon-salientconstruction.Non-salientpolerotorsarenormallyusedforrotorswith2or4polesrotor,whilesalientpolerotorsareusedfor4ormorepolesrotor.

（1）Theprimemovermentionedinthepassagedoesnotinclude.

A.dieselengine

B.windpower

C.Waterpower

（2）Non-salientpolerotorsarenormallyusedforthosewithpoles.

A.notmorethan2pairs

B.notmorethan4pairs

C.morethan2pairs

（3）WhichofthefollowingstatementsisnotTRUE?

A.Fieldwindingsproducethemainmagneticfield

B.Adirectcurrentisusedtoproducemagneticfield

C.Themainvoltageisproducedbyarmaturewindings

（4）Theword“salient〞means.

A.prominent

B.pointingoutwards

C.noticeable

【单项选择】TheEnglishfor“兆欧表〞is.

A.Megger

B.Voltmeter

C.Multimeter

【单项选择】Theisusedtomeasurecurrent.

A.ammeter

B.voltmeter

C.wattmeter

【单项选择】isaverticalheightbetweenthesealevelandthebottomoftheship.

A.LOA

B.Beam

C.Breadth

【单项选择】TheoftheM/Eis5500kwat115rpm.

A.output

B.temperature

C.speed

【单项选择】Theinsulationclassofanelectricmotorindicatesits.

A.Maximuminputofhorsepower.

B.Maximumtemperatureriseoftheinsulationmaterial

C.Maximuminputofkilowatts

【单项选择】TheEnglishfor“电压表〞is.

A.Voltmeter

B.Synchrometer

C.Ammeter

【单项选择】TheSOLASConventionisthemaininternationalconvention

.

A.Coveringsafetyoflife.

B.Aboutmarine

C.Aboutmarinepollutionprevention

【单项选择】isusedtomeasurethevoltage.

A.Synchrometer

B.Ammeter

C.Voltmeter

【单项选择】Theindicatorcockisfixedonthecylinder.Themeaningof“indicatorcock〞is.

A.示功阀

B.排气阀

C.安全阀

【单项选择】Voltagewillalwaysleadcurrentina/an.

A.inductivecircuit

B.capacitivecircuit

C.magneticcircuit

【单项选择】Remotecontrolmeansthat.

A.Thesystemiscontrolledautomatically.

B.Thesystemismannedmanually

C.Thesystemissituatedremotelyfromtheoperator

【单项选择】Thestar-deltastarterisaneffectivemethodofvoltagestartingofamotor.

A,thereduced

B.increased

C.unchanged

【单项选择】ThenumberofcyclespersecondoccurringinACvoltageisknownasthe.

A.waveform

B.phaseangle

C.frequency

【单项选择】De-ballastingofSTARBOARDNo.1ballasttk.Themeaningof“STARBOARD〞No.1ballasttank〞is.

A,前尖舱

C．后尖舱

【单项选择】TheEnglishfor“二极管〞is.

A,thyristor

B.Diode

C.transistor

【单项选择】Whichofthefollowingmechanicalponentshasthefunctionforhousingtheconnectionterminalbox?

A.Astator

B.Arotor

C.Achassis

【单项选择】Beforedoingmaintenanceonelectricalequipment,youshould.

A.withatestpeninhand

B.turnonpowerfirst

C.turnoffpowerfirst

【单项选择】Ifafireignitesintheengineroomasaresultofahighpressurefueloilleak,youshouldFIRST.

A.findasodaacidextinguisher

B.shutoffthefueloilsupply

C.securetheventilation

【单项选择】Highvaluesofohmspervoltanychangeincircuitcharacteristics.

A.denote

B.minimize

C.indicate

【单项选择】Whichofthefollowingstatementsabouttheshort-circuitprotectionisnottrue?

A.Itisoftenprovidedtocaterforterminalflashovers

B.Itisprovidedbecausefaultsbetweenphasesoftenoccur

C.Itisoftenprovidedtocaterformajorstatorwindingfaults

【单项选择】Conductorinsulationdesignedfor600Vshouldindicatearesistanceof.

A.600,00Ωorlower

B.60,00Ωorhigher

C.600,00Ωorhigher

【单项选择】SOLASstandsfor.

A.theInternationalConventionforthepreventionfromship

B.theInternationalConventiononStandardsofTraining,CitificationandWatchkeepingforSeafarers

C.theInternationalConventionfortheSafetyoftheLifeatSea

【单项选择】Whichofthefollowingmaterialsisagoodinsulator?

A.glass

B.aluminum

C.steel

【单项选择】Ifyouareaskedtoacceptdeliveryofstoresandspareparts,youshould.

A.acceptallitems

B.refuse

C.makeclearofyourauthority

【单项选择】Ifanoilspilloccursondeck,youshouldcovertheareawithabsorbentmaterial.Themeaningof“oilspill〞is.

A.着火

B.搁浅

C.溢油

【单项选择】Whichoneofthefollowingisnotsafetyprecaution?

A.safetyshoes

B.jacket

C.safetycap

【单项选择】Whichofthefollowingisnotoneoftheincorrectoperatingconditionsofshipgenerators?

A.pilerecordsregularly

B.reversepowerprotection

C.outsideshortcircuitprotection

【单项选择】TheEnglishfor“污水泵〞is.

A.boilerfeedwaterpump

B.sewagepump

C.fueltransferpump

【单项选择】Weshouldpayattentiontothewhenweldingandcutting?

A.Water

B.Air

C.Fueloil

【单项选择】TheSafetyofLifeatSeaConventionswasdevelopedbythe

A.IMDGconference

B.InternationalMaritimeOrganization

C.AmericanBureauofShipping

【单项选择】UnderthetermsofISPScode,shippingpaniesarerequiredtodesignateapanySecurityOfficerforthepanyandaforeachofitsships.

A.ShipSecurityOfficer

B.DesignatedPersonAshore

C.InternalAuditor

【单项选择】Thefreshwatergeneratorisusedproducefreshwater.Themeaningoffreshwatergenerator＇is.

A.空压机

B.绞缆机

C.造水机

【单项选择】WhenmeasuringACcurrentflow,youmustalwaysconnectthemeter.

A.inparallelwiththepowersourceandload

B.inserieswiththepowersourceandload

C.insuringcorrectpolarity

【单项选择】Whenthevoltageremainsconstantandtheresistanceisincreasedinaseriescircuit,thecurrent.

A.decreases

B.increases

C.increasesbythesquareoftheoriginalvalue

【单项选择】bilgewatertooilywaterseparator.

A.Transfer

B.Pumpout

C.Start

【单项选择】Theballastwatercanbestoredinthedoublebottom.Themeaningof“doublebottom〞is.

A.涡轮增压器

B.双层底

C.油底壳

【单项选择】Whichisnotoneofthepossiblefunctionsoftheloss-ofloadprotection?

A.Itcanallowamotortorecoverwhenthevoltageisrestored.

B.Itcanstopamotorincaseofafailureinamechanicaltransmission.

C.Itcanbeusedtoprotectapumpagainstbeingunprimed.

【单项选择】WhattypeofoilisNOTcoveredintheoilpollutionlaws?

A.mainswitchboard

B.emergencyswitchboard

C.mainbusbar

【单项选择】TheChinesefor“fueloilsystem〞is.

A.冷却系统

B.燃油系统

C.润滑系统

【单项选择】Electricalcircuitsareprotectedagainstoverheatingbymeansofa/an.

A.diode

B.amplifier

C.circuitbreaker

【单项选择】Inordertofindoutwhichlifeboatyouareassigned,youshouldlookatthemusterlist.Themeaningof“musterlist〞is.

A.应变部署表

B.火灾控制计划

C.证书检查

【单项选择】Themotormanisworking,“motorman〞means.

A.机工

B.服务员

C.电子员

【单项选择】F.W.Eat0900.F.W.Emeans.

A.fitwaterengine

B.finishedwithengine

C.fishedwithexhaust

【单项选择】Ancarrierisatankshipdesignedfortransportingliquefiednaturalgas.

A.LNG

B.OBO

C.LPG

【单项选择】Theinvertermayusethefollowingexcept.

A.IGBTs

B.Thyristors

C.ICGTs

【单项选择】Inadeckcrane,amotorisusedforrotatingthecrane.

A.Luffing

B.Slewing

C.Hoisting