2023年轮机英语考试复习题及答案.docx
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1、2023年轮机英语考试复习题及答案单选题l.Surelylwillinspecttheincineratorburnermorecarefullyandmakesureitisn otblocked.()A、Iwillchecktheincineratorburnermorecarefully.B、Iwillchecktheincineratorburnersurely.C Iwillcheckheboilerburnermorecarefully.D、Iwillchecktheboilerburnersurely.正确答案:A2.Pleaseinspecttheoilpressureofth
2、esteeringgearsystematonce.()A Whatisthematterwiththesteeringgear?B、Whatistheconditionofthesteeringgear?C Changethesteeringgearintohand-drivensteeringgear.D Checktheoilpressureofthesteeringgearsystemimmediately.正确答案:D3.Weshouldtestthesteeringgeareachvoyage.()A Thesteeringgearshouldbetestedeachweek.B、
3、Thesteeringgearshouldbetestedeachvoyage.C、Thesteeringgearshouldbetestedeachmonth.D Thesteeringgearshouldbetestedeachday.C、Thereisnoproblemwiththesteeringgear.D Thereisnoproblemwiththeturninggear.正确答案:A33.Oilpressureofthesteeringgearishigherthannormallimit.()A Thesteeringgearisturningslowly.Oilleveli
4、shigherthannormal.C、Thereisairinhydraulicoilofthesteeringgear.D Oilpressureisabnormalinthesteeringgear.正确答案:D34.Youwilltellmeseveraldegreesofrudderangle.()A Theyarediscussingthesteeringgear.B、Theyareinstallingthesteeringgear.C、Theyaretestingthesteeringgear.D、Theyarerepairingthesteeringgear.正确答案:C35.
5、Theresistancetothemovementoftheglobuleinoilywatermixturedependsonitssizeandthe ofthefluid.()A pressureB、velocityC、gravityD、viscosity36.isusedtoensurethatshipsdonotdischargeoilwhenpumpingoutbilg ewater.()A OilseparatorB、OilywaterseparatorC、FilterD、Strainer正确答案:B37.lfacentrifugalpumpisdrivenbyaconstan
6、tspeedelectricmotorandproduc esadischargepressurelessthandesigned,thecauseisprobably.()A excessivepumpspeedB、excessivesuctionheadC、wornwearingringsD、grosspumpmisalignment正确答案:C38.Anelectricallydrivenautomaticallyoperatingauxiliaryblowerisprovidedf orslowspeedand ofalowspeeddieselengine.()A、maneuveri
7、ngoperationsB、badbustionC coolingD、mooringtrial正确答案:A39.Thepurposeofthe inthevaporpressioncycleistoacceptthelow-pres suredrygasfromtheevaporatorandraiseitspressuretothatofthecondenser.()A condenserB、pressorC、evaporatorD、expansionvalve正确答案:BAO.InaradialpistonpumpjeversalandcontroloffluidflowareacpIis
8、hedbymo vingthe.()A、centralvalveB、radialplungerC、floatingringD、cylinderbody正确答案:C41.The isusedtomeasurethevolumeofaliquidorgasthroughapipelinewithinanygivenperiodoftime.()A、flow-meterB、viseterC、micrometerD、feeler正确答案:A42.Whichofthefollowingconditionswouldcause ipantinginasteamingauxiliaryboilerPOA I
9、nsufficientbustionairB、LowwaterlevelC、FlamefailureD Faultyflamescanner正确答案:A43.lfdieselfuelwasdischargingfromthewastewateroutletofadisktypecentrifugalpurifieroperatingasaseparatoryoushouldtryto firstly.()A、re-primethepurifierB、removethedischargeringC slowthepurifiertoitsproperspeedD、 putinanaddition
10、aldischargering正确答案:A44.Disinfectorusedinthesewagebiologicaltreatmentplantusuallyis.()An chlorinewaterB、 ozoneC、hypo-calciumchlorideD calciumoxide正确答案:CA SimplestructureB、ProducingrequireddischargepressureC、DealingwithalargeamountofvaporD、Makingaseal正确答案:A46.Themainsteeringgearmustbeabletosteerthesh
11、ipatmaximumaheadserv icespeedandbecapableatthisspeed,andattheshipsdeepestservicedraught zofputtingtherudderfrom35degreesononesideto30degreesontheothersid ewithinno.()A、morethan28secondsB、morethan60secondsC Iessthan28secondsD Iessthan60seconds正确答案:A47.Tocloseabutterflyvalve,itisonlynecessarytoturnthe
12、handle.()A、 AturnB、HalfofaturnC One-thirdofaturnD、Aquarterofaturn正确答案:D48.Theliquidentersthepump-housingonthesuctionside,andiscarriedaroun dbetween ofthegearwheels.Theliquidisdischargedthroughthedischargeline.()A、theteethB、theimpellerC、 thevaneD、thevolute正确答案:A49.Whichoneisnotthenormaloperationforbo
13、ilershutdown?()A Carryoutsootblowing,if permissible.ChangefuelsupplytodieseloilC、ClosesteamstopvalvesonboilerwhenpressureisreducedD Drainboileremptywhenithascooleddown正确答案:D5O.Brinedensityinadistillingplantismeasuredwitha/an.()A、psychrometerB、salinometerC、anemometerD、sphygmomanometer正确答案:B51.Theoils
14、ludgeisburntinthe onboard.lllshowyoutheashes.OA、boilerB、mainengineC auxiliaryengineD、incinerator正确答案:D52.WhichofthefollowingmodesofheattransferdoesNOTrequireanyphysical contactbetweenawarmerandacoolersubstance?()A RadiationB、ConductionC NaturalconvectionD、contactdirectly正确答案:A53.Thecapacityofmanyair
15、conditioningplantsissuchthatundertropicalcondi tionsnearlyallcontrolvalvesmovetothe position.()A、fullyopenB、 shutC semiopenedD、closed正确答案:A54.Sub-coolingincreasesthe oftherefrigerationcycle.()A capacityB refrigerationeffectC massflowrateD volumeflowrate正确答案:B55.Theboilerfeedpumpdischargepressureishi
16、gherthanthesteamdrumpres sureto.()A、ensurefeedwaterflowintotheboilerB keepthesteamdrumpressurehighC、preventwaterhammerinthefeedlineD、helpthefeedwaterflashtosteam正确答案:A56.Theliquidentersthepump-housingonthesuctionsidezandiscarriedaroun dbetweentheteethof.Theliquidisdischargedthroughthedischargelin e.
17、()A、ThegearwheelB、TheimpellerC、ThepistonD theplunger正确答案:A57.Forapurifier,changingtoagravitydiscwithlargerholediameterwillmoveth einterfacetowardsthe.()A、bowlperipheryB bowlcenterC uppersurfaceD lowersurface船舶电气及自动化部分正确答案:A58.Whenthetwovoltagesuppliesareinphasethepointerisstationaryinthe_ position.(
18、)A、lloclockB、12oclockC lOoclockD、9oclock正确答案:B59.isusedtoparallelingandremovingtheloadofthealternators.()A、GeneratorcontrolpanelB、ParallelingpanelC LoadpanelDn Busbar正确答案:B60.Weshould beforetheoperationofshipgeneratorsparallelingoff.()A transfertheloadB、restartthegeneratorC、cutoffthepowersupplyD inc
19、reasetheload正确答案:A61.isamachinebywhichelectricalenergyistransformedintomechanic alenergy.()A AnalternatorB、AnelectricmotorC、AdieselengineD、Amainswitchboard正确答案:B62.Theunitsmustincorporateanaudio-visualalarmsystemwhichesintooper ationwhenanyrunningconditionis.() A undercontrol B、ingoodC、 changedD、out
20、oforder正确答案:D63.In thecontrolactionisindependentoftheoutput.()A aclosedloopcontrolsystem anopenloopcontrolsystemC、aboilercontrolsystemD、asteeringgearcontrolsystem正确答案:B64.Switchboardsmaybeofthedead-fronttypeinwhichalllivepartsareinstalle dbehind andonlytheoperationhandlesandinstrumentsareonthefront.
21、() A thecapstan B、thecollectorC、thepanels D thesurface正确答案:C4.Theballastpumpisingoodorder.()A Theballastpumpisoutoforder.B、Theballastpumpworkswell.C Thereissomethingwrongwiththeballastpump.D、Theballastpumpdoesnotrunsmoothly.正确答案:B5.Closethelowerandupperseawaterinletvalvesimmediately.()A、Shutoffbotht
22、helowerandupperseawaterinletvalvesatonce.B、Shutoffboththelowerandupperseawateroutletvalvesatonce.C Closetherightseawaterinletvalvenow.D、Closeeithertheupperorlowerseawaterinletvalvesrightnow.正确答案:A6.PleasedischargeNo.5portballasttank.()An No.5portballasttankw川befilled.B、No.5portballasttankwillbede-ba
23、llasted.C、ThereareproblemswithNo.5portballasttank.D、No.5portballasttankhasbeenfilledup.正确答案:B7.Theseawaterflushingvalvesshouldbecoatedwithgreenpaint.()A Pleasepainttheseawaterflushingvalveswithyellowcolor.B、Pleasepainttheseawaterflushingvalveswithblackcolor.C、 Pleasepainttheseawaterflushingvalveswit
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