轮机英语历年真题47期

中华人民共和国海事局

2009第1期海船船员适任统考试题（总第47期）

科目：轮机英语试卷代号：805

适用对象：无限/近洋航区3000KW及以上船舶二/三管轮

（本试卷卷面总分100分，及格分为70分，考试时间为100分钟）

答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅

笔涂黑。第1题至88题，每题1分，第89题至96题，每题1.5分。

一.单项选择题

1.Theengineisusedforalternatorsandsometimesformainpropulsionwithagearbox

toprovideapropellerofbetween90to120rpm.

A.four-strokeB.two-strokeC.slowspeedD.reversible

2.Theabbreviation"MIP"standsfor.

A.middleindicatingpressureB.meanindicatedpressure

C.meanindicatedpitchD.middleindicatedpower

3.Thecetanenumberofadieselfueloilindicatesis.

A.viscosityB.acidcontentC.heatingvalueD.ignitionquality

4.Inatwo-strokeenginethecamshaftrotatesattheenginerotationalspeed.

A.halfB.twiceC.thesamespeedasD.fourtimes

5.Adieselengineissimilartoagasolineengineexceptthattheformerhasno.

A.cross-headB.cylinderC.connectingrodD.sparkplug

6.Itiseasiertoreplaceadrycylinderlinerthanawetonebecause.

A.ofthethinwallthickness

B.honingmakesiteasiertomaintainthedesiredoilfilm

C.watersealsarenotrequired

D.itfitsmorelooselyduetoadecreaseinheattransferthroughthecompositewall

7.Amainbearingconsistsoftwoshellswhicharesecuredbymeansofstudsand.

A.tierodsB.throughboltsC.leadwiresD.bearingcaps

8.Howeverfastorslowthecombustionrate,itisstillabetweencarbon,hydrogen,

sulphurandoxygenthatreleasesheat.

A.physicaldeformationB.stateexchangeC.chemicalreactionD.coalescence

9.Duringthefuelinjectionperiod,fuelpressuremustexceedcylindergaspressureto.

A.ensurepenetrationanddistributionofthefuelinthecombustionchamber

B.ensuretheneedlevalveisflushedcleanduringeachinjection

C.preventcombustiongasblowbackintotheopenneedlevalve

D.preventreflectedpressurewaveswhentheneedlevalvecloses

10.Inadieselenginelubeoilsystem,whichofthefollowingpartsshouldbelubricatedfirst?

A.CamshaftbearingsB.MainbearingsC.PistoncrownsD.Cylinderwalls

11.Inadieselengineclosedfreshwatercoolingsystem,theamountofcoolantflowingthroughthe

heatexchangeriscontrolledbythe.

A.suctionpressureregulatorB.thermostaticbypassvalve

C.seawatertemperatureD.waterlevelintheexpansiontank

12.Whichofthedieselenginecomponentslistedincreasesairdensityandhelpstoimprove

engineoperatingefficiency?

A.ImpellerB.AirbottleC.AircoolerD.Exhaustdiffuser

13.Alargetwo-strokedirectreversingdieselengineistobereversed.Priortotheadmissionof

startingairyoumust.

A.lineuptheengineforrestartingwithlightdieseloil

B.repositionthefuelinjectioncam

C.changetheintakeandexhaustvalvecampositions

D.placethestartingcamintheintermediateposition

14.Whichofthelistedgovernorcharacteristicswillgreatlyaffecttheloadsharingrelationship

betweenparalleleddieselgeneration?

A.SensitivityB.PowerC.SpeeddroopD.Compensation

15.Thermocouplepyrometersareusedonlarge,mainpropulsiondieselenginestoindicatethe

temperatureofthe.

A.coolingwaterleavingeachcylinderB.fueloilenteringtheinjector

C.exhaustgasesatvariouslocationsD.lubeoilatthebearingsupplies

16.Afterstartingadieselengine,whichofthelistedoperatingconditionsshouldbecheckedfirst?

A.AirboxpressureB.LubeoilpressureC.ExhausttemperatureD.Rawwaterpressure

17.Toshutdownadieselengineafteritexceedsthesetmaximumspeed,whichtypeofdevice

listedshouldbeused?

A.SpeedlimitinggovernorB.Over-speedgovernorC.Over-speedtripD.Over-speed

relay

18.Thetreatmentofthefueloilsinvolvesstorage,heating,filteringand.

A.centrifugingB.pressurizingC.atomizationD.igniting

19.Apropeller,inordertooperateefficiently,mustrotateatarelativelyspeed.

A.highB.lowC.fastD.lowly

20.Latentheatchangestheofwater.

A.physicalstateB.temperatureC.atmosphericpressureD.sensiblepressure

21.Theprimaryfunctionofaflamesafeguardsystem,asusedonanautomaticallyfiredauxiliary

boiler,istoprevent.

A.accidentaldryfiringandoverpressureB.uncontrolledfiresinthefurnace

C.explosionintheboilerfurnaceD.overheatingofthepressureparts

22.Impropermaintenanceofthefueloilburnersinanautomaticallyfiredauxiliaryboilercould

resultin.

A.increasedfuelconsumptionB.increasedfeed-waterconsumption

C.explosionsintheboilerfurnaceD.overheatingofthepressureparts

23.Burnerignitionfailureinanautomaticallyfiredauxiliaryboilerwouldbecausedby

A.aburnedoutsolenoidintheoilsupplyvalve

B.hightemperatureexcessair

C.incorrectlysettingthehot-welldumpvalve

D.anincorrectlypositionedburnersnubber（缓冲器）relay

24.Ifthefeedpumpforanauxiliaryboilerfailstodeliverthefeedwatertotheboiler,thecause

maybe.

A.highsteampressureintheboilerB.abnormallyhighfeed-watertemperature

C.abnormallyhighboilerwatertemperatureD.steamdemandexceedingfeedpumpcapacity

25.Gearpumpsareofpositivedisplacementtypepumpsbecausetheydischargeanearconstant

amountofliquidpressure.

A.dependingonB.inrelativetoC.regardlessofD.becauseof

26.Aspurgearpumpshouldbeoperatedwiththedischargevalves.

A.slightlyopenedB.throttledC.fullyopenedD.halfwayopened

27.Anindependentbilgesuctionisrequiredfor.

A.ballasttanksB.sludgetanksC.machineryspacebilgesD.cargoholdbilges

28.Tothoroughlypumpoutthebilgesusingahorizontallymountedcentrifugalpump,the.

A.pumpmustalwaysbeprimed

B.volutemustimpartaradialandrotarymotionofthewater

C.suctionsideconnectionmustguidetheliquidtothelanternrings

D.stuffingboxshouldnotbeallowedanywaterleakage

29.Aninadequatereciprocatingbilgepumpdischargeismostoftencausedby.

A.defectivesafetyvalvesB.cloggedsuctionstrainers

C.scarredcylinderwallsD.cloggeddrainvalves

30.Inacompressionrefrigerantplant,thehot,highpressurerefrigerantgasiscooledbythesea

waterandbecomesliquidinthe.

A.compressorB.condenserC.throttlevalveD.evaporator

31.Theonlyallowsforadjustmentoftemperatureineachroombytheoccupant

manuallycontrollingtheairvolumeadmitted.

A.centralairconditioningsystemB.highvelocitysystem

C.lowvelocityD.singleductsystem

32.Theopeningofthehumidifier'svalveofair-conditionershouldbe,whenthe

circumstancetemperatureisraisedtoabove5〜8°Cinthewinter.

A.decreasedB.increasedC.fixedD.closed

33.Undernormalconditions,thequantityofaircirculationbecomeslessandless.Whatisthe

reason?

A.dirtydeliveryductsB.toomuchrefrigerant

C.thefoulingfiltersD.hightemperatureoutside

34.Whenbilgewaterisheatedinaholdingtank,whichoneofthefollowingstatementsisnot

accurate?

A.Therelativehightemperaturefacilitatesprimarygravityseparation.

B.Mostoftheoilandorganicsolventsareraisedtothetoplayer.

C.Therelativehighthetemperatureis,themorethetopoilwillbecollected.

D.Thenormalhightemperaturehaslittleuseontheseparationofemulsifiedoil.

35.Ifseparatingeffectoftheoilywaterseparatorisnotgood,wecanimproveitby.

A.flushingseparatorwithcoldwaterB.increasingbilgewatersupplyflow

C.heatoilywaterproperlyD.openingmanualoildischargevalve

36.Whichisthepollutionpreventionequipment?

A.boosterpumpB.evaporatorC.incineratorD.cooler

37.Whendoesauxiliaryburnerofrotarynozzletypeincineratorputintouse?LwhenignitingII.

thewasteoilfordealingwithistoomuchIII.beforestoppingincinerator

A.I+11B.I+IIIC.II+IIID.I+II+III

38.Whenanaerobicbacteriaconvertthesewagetoaninertsludge,.

A.nooxygenisneededB.oxygenisnecessary

C.oxygenisgivenoffD.nogasisproduced

39.ForaL.O.purifier,ifthebackpressureoftheoiloutletistoohigh,theinterfacebetweenoil

andwaterinthebowlwill.

A.beinterruptedB.movedownwardsC.moveoutwardsD.retainoriginalposition

40.Whenseparatingthelubeoilwithoutadditive,itisusuallyworkingwithhotwater,theaimis

toremovefromit.

A.acidB.oilsludgeC.mechanicalimpurityD.salinity

41.Ifthebowlofadisktypecentrifugalpurifierwhenoperatedasaseparatorisnotprimed,the

A.oilhasatendencytoemulsifyinthebowl

B.purifierwillactasaclarifieratthedischargering

C.oilwilllostthroughthewaterdischargeports

D.oilsolidswillbedepositedonlyattheintermediatetopdisk

42.Tubeleaksinthedistillatecoolerofatwostageflashevaporatorwillresultin.

A.lossofsecondstagevacuumB.contaminationofthedistillate

C.lowerfeedinlettemperatureD.contaminationofthesecondstagecondenser

43.Smalldropletsofwaterentrainedintheflashedvaporproducedinaflash-typeevaporator,

areremovedbythe.

A.spraypipesB.demistersC.condensersD.splashbaffles

44.Overflowvalveisusuallyusedto.

A.controlthefluidflowthroughit

B.preventthepressurebeforeoverflowvalveoverthespecifiedvalue

C.makethepressureafteroverflowvalvesteady

D.controlthedirectionofoilflow

45.Amongthebasiccategoriesofequipment,whichofthefollowingareusedtoconvert

mechanicalintohydraulicenergy?

A.thehydraulicpumpsB.valvesC.hydraulic

46.Cargohandlingunitisratedaccordingtothetobelifted.

A.cargocraneB.jibC.safeworkingloadD.oilpressure

47.Thepartoftheanchorwindlassthatengagestheanchorchainforliftingiscalledthe

A.warpingheadB.fairleadC.wildcatD.capstan

48.Inautomatic,thewinchmaybeoverhauledandwireispaidoffthebarrelata

pre-determinedmaximumtension.

A.cranesB.windlassC.capstansD.mooringwinches

49.Themajorsourceofchemicalcontaminantsinhydraulicfluidis.

A.microscopicsteelshavingsB.abrasivewaste

C.anti-oxidantcompoundsD.oxidationby-products

50.Beforedoinganyworkonahydraulicsystemequippedwithaccumulators,youshould

A.draintheaccumulatorsandpurgewithoxygen

B.bleedoffallstoredenergyfromtheaccumulatorscompletely

C.chargetheaccumulatorstopreventsystemenergyloss

D.pumpthehydraulicfluidintotheaccumulatorstopreventfluidloss

51.Onefactorthatdeterminesthefrequencyofanalternatoristhe.

A.numberofturnsofwireinthearmaturecoilB.numberofmagneticpoles

C.strengthofthemagneticusedD.outputvoltage

52.Thefrequencyoutputofanoperatingalternatoriscontrolledbythe.

A.relativespeedoftherotorpolesB.numberofturnsofwireinthearmaturecoil

C.strengthofthemagneticusedD.outputvoltage

53.PriortoclosingthebreakerwhenparallelingtwoACgenerators,therecommended

practiceistohavethefrequencyoftheincomingmachine.

A.slightlylessthanthelinefrequencyB.thesameasthelinefrequency

C.slightlygreaterthanthelinefrequencyD.havenothingtodowiththelinefrequency

54.IftwoA.C.generatorsaretobeoperatedinparallel,theloadisdistributedevenlyby

A.meansofrheostatB.abalancecoil

C.adjustingthegovernorsettingsD.changingexcitation

55.Thefirstrequirementforlogicaltroubleshootingofanysystemistheabilityto.

A.collectallavailabledataonacasualtyB.recognizenormaloperation

B.identifytheprobablecauseofasymptomD.isolatethefaultycomponent

56.is(are)notpowersuppliedbymainswitchboarddirectly.

A.SteeringgearandwindlassB.Navigationlightandradiopowerpanel

C.NavigationdevicepowerboxD.Dailyfreshwaterpump

57.Theemergencygeneratororemergencybatteryisconnectedtoonmostlarge

ships.

A.distributionboardsB.sectionboardsC.emergencyswitchboardsD.mainswitchboards

58.connectorsholdbestifawireisaccidentallypulledoraconnectionbecomes

loose.

A.RingtypeB.ForktypeC.SpadetypeD.Tushon,pushoff5type

59.Theprimaryfunctionofanelectricmotoristo.

A.developtorqueB.generatehighvoltages

C.produceamagneticfieldD.generatehighelectricalresistance

60.Fusesplacedinserieswithathermaltrip-typecircuitbreakerareusedfor.

A.time-delayprotectionB.short-circuitprotection

C.shortdurationsurgeprotectionD.sustainedoverloadprotection

61.Shorepowermustbeduringdockrepair.

A.disconnectedB.switchedoffC.cutoffD.connected

62.Theoperatorofelectricalmotorsshouldkeepaconstantcheckontheloadstheycarrybecause

A.lowloadsnecessitatefrequentinsulationcleaning

B.exceedingnameplatevaluesshortensusefullife

C.energyiswastediffullloadingisnotutilized

D.powerfactorcorrectionmethodsareloaddependent

63.Beforeamarinedieselengineisstartedthecylindersandpistonsmustbe.

A.cooledtoappropriatetemperature

B.warmedupgraduallytoappropriatetemperature

C.openedupandrenewed

D.groundandpolished

64.isaprecautionwhichcontributestoavoidingtroubleundernormaloperating

conditions.

A.ConstantinspectionB.Keepingconstantload

C.RemainingconstanttemperatureD.Varyingspeed

65.Duringshipmaneuvering,whenthedieselisstopped,whichofthefollowingitemsiswrong?

A.keepallsystemsrunningnormally

B.mainengineisavailableatanymoment

C.shutoffthestartingairbottleoutletvalve

D.payattentiontothechangesofthesystemparameters

66.Atankwhichhasbeenscaledforalongperiodoftimecanbedangerousbecause.

A.steelsurfacesconsumeoxygenbyrusting

B.sealedtanksusuallyformavacuum

C.moisturecondensesinthetank,displacingtheoxygen

D.mosttankcoatingsgiveoffpoisonouseffectisessentialtoextinguishthefireis.

68.Firesinescapingflammablegasarequicklybroughtundercontrolby.

A.stoppingtheflowofgasB.reducingthechemicalchainreaction

C.increasingtheoxygensupplyD.coolingbelowtheautoignitionpoint

69.Whichofthefollowingstatementsistrueconcerningcarbondioxidewhenusedasafire

extinguishingagent?

A.Carbondioxideiscorrosivewhenexposedtofire

B.Carbondioxideshouldbeappliedslowlytoalargeengineroomfire.

C.Itstotalcoolingeffectisfargreaterthanwater.

D.ItssmotheringeffectisexcellentforclassBfires.

70.Whileonwatchintheengineroom,youhearacontinuoussoundingofthegeneralalarm.

Whichofthefollowingactionsshouldyoutake?

A.Makeanentryintheofficiallogbook.

B.OpenthemastercontrolvalvesonthefixedCO2system

C.Startthefirepumpandcheckdischargepressure.

D.Secureauxiliarycondenseroverboarddischarge.

71.Todeterminethatacompartmentcontainssufficientoxygentosustainlife,youshoulduse

a/an.

A.explosimeterB.oxygenindicator

C.freshairindicatorD.emergencyescapebreathingdevice

72.Iftheoverflowtankhigh-levelalarmsoundswhilethefueloiltanksarebeingtoppedoff,the

engineershould.

A.closethestaticlegfillingvalveB.closetheoverflowtankfillingvalve

C.reducethefueloilpumpingrateD.stopthefueloilpumpingoperation

73.Thetoolisusedinprecisionworktosmoothorenlargeaslightlyundersizedhole.

A.roundoutB.roundfileC.reamerD.holedriller

74.Duringthedockrepair,eachseavalvemustbedisassembled,cleanedandgroundwell,the

sealingsurfacebetweenthevalveandthevalveseatshouldbecheckedandratifiedby

beforereassembled.

A.chiefengineerB.surveyor

C.theengineerD.thetechniquepersonneloftheshipyard

75.TheadditionalmarkintheClassificationCertificateforMachinerymeans

propulsionapparatusisremotelycontrolledonthenavigatingbridgecontrolstation,andengine

assemblycontrolstationisunmannedperiodically.

A.BRCB.MCCC.AUT-0D.AUT-1

76.TheOilRecordBook,asapartoftheship'sofficiallogbook,shallbekeptonboardand

preservedforaperiodof.

A.3yearsaftermakingthefirstentryB.2yearsafterthelastentry

C.3monthsafterlastentryD.3yearsafterthelastentry

77.ThevalidperiodoftheInternationalOilPollutionPreventionCertificateonboardisn'tmore

than.

A.oneyearB.twoyearsC.fouryearsD.fiveyears

78.DuringthePSCinspection,undertheprovisionsofSOLAS74,whichonemaynotbe

regardedascleargroundsforships'detainment?

A.failureoftheproperoperationofemergencygenerator

B.insulationofpipingincludingexhaustpipesinengineroomcontaminatedbyoil

C.improperoperationofbilgepumpingarrangements

D.damagedsanitarypump

79.^Insufficiencyofmanningorinsufficiencyofcertificationofseafarers^^isanidentificationofa

A.substandardshipB.standardshipC.over-standardshipD.referenceship

80.STCW78/95Conventionshallapplytoseafarersonboardseagoingshipsentitled

toflytheflagofaParty.

A.servedB.servingC.surveyedD.surveying

81.Allengineerofficersandengineroomratingsshallbeawareoftheseriouseffectsofoperation

oraccidentalpollutionofthemarineenvironmentandshalltakeallpossibleto

preventsuchpollution,particularlywithintheframeworkofrelevantinternationalandport

regulations.

A.stepsB.proceduresC.precautionsD.programs

82.Whentheordergivenbybridgemayhavebadresults,thedutyengineershould.

A.informthecaptainforafurtherconsideration

B.informthecaptain,andnotperformit

C.stoptheM/Eimmediately,andtheninformthechiefengineer

D.stoptheM/Eimmediately,andtheninformthecaptain

83.Ifanoilspilloccursondeck,youshould.

A.covertheareawithfoam

B.covertheareaimmediatelywithabsorbentmaterial

C.washdownimmediatelywithafirehose

D.washdownimmediatelywithanoildispersantsolvent

84.Accordingtotheinternationalregulationsconcerningthepreventionofpollutionofseaareas

fromships,thedisposalintotheseaofallplasticsis.

A.welcomeB.admittedinsomespecialareas

C.prohibitedD.acceptable

85.ThemainobjectiveoftheSOLASConventionis.

A.toprovideasolutionofloweringpollutionatsea

B.tospecifyminimumstandardsforthememberscomposingthewatchatsea

C.tospecifyminimumstandardsforshipsconsideringtheirsafety

D.totellthecompanyhowtogoaboutrunningtheirbusiness.

86.WhichofthefollowingaboutISMCodeisnotright?

A.Itaimstoensuresafetyatsea.

B.Itaimstoavoiddamagetotheenvironment.

C.Itaimstopreventhumaninjuryorlossoflife.

D.Itaimstoprovideamethodtorunacompany.

87.Theshipsecurityassessmentisanessentialandintegralpartoftheprocessofdevelopingand

updating.

A.theshipsecurityplanB.thecompanysecurityplan

C.theportsecurityplanD.thenationalsecurityplan

88.Inordertolimittheintroductionofalienspeciesbyship,wasadoptedon13Feb,

2004attheIMO.

A.RevisedMarpolannexI

B.RevisedMarpolannexII

C.Internationalconventionforthecontrolandmanagementofships9ballastwaterand

sediments

D.ISPSCode

二.关联题(关联题干下有4个小题，每小题4个选项)

第一组：

StartingAirSystem

Theengineisstartedwithcompressedairofmax30bar.Minimumpressurerequiredis15bar.A

pressuretransmitterPT301mountedonthestartingairlinebeforethemainstartingvalvehasan

indicatorintheinstrumentpanel.Thesupplylinefromthestartingairbottlesisprovidedwitha

non-retumvalveandadrainvalve.

Thesolenoidvalveiselectrical(remotecontrol)ormanual(ontheengine)operatedandsendafter

activationapilotairsignaltothemainstartingairvalve.Interruptionofthecontrolairdosesthe

mainstartingairvalve.Afterthemainstartingairvalveisactivatedtheairflowsthroughthe

flamearresterstothestartingairvalvesinthecylinderheads.Partoftheairflowsviathestarting

airdistributortoeachofthestartingairvalvesinthecylinderheads.Thestartingairdistributor

controlsthetimingofopeningandclosingofthestartingairvalves.Onthemomentthemain

startingairvalveisoperatedalsothegovernorboosterisenergized.Themainstartingairlineis

providedofasafetyvalve.Interlockvalveisasafetydevicetoavoidanenginestartwithengaged

turninggear.

89.Astheengineisstartedwithcompressedair,thecorrectsequenceofthefollowingdevices

beingactivatedis.1.solenoidvalve2.startingairvalve3.startingair

distributor4.mainstartingairvalve5.governorbooster

A.1,5,423B.1,4,5,3,2C.143,2,5D,4,3,1,2,5

90.Theunderlinesentence“thegovernorboosterisenergized“probablymeans.

A.thegovernorboosterissuppliedwithelectricpower

B.hydraulicoilispumpedintothegovernorbooster

C.thegovernorstartstoworkbeforestartingtheengine

D.thegovernorboosterissuppliedwithpressurizedairbeforestartingtheengine

91.Whichofthefollowingcomponentsareattachedtotheairbottles?

A.apressuretransmitterPT301B.anon-returnvalveandadrainvalve

C.asolenoidvalveD.astartingairdistributor

92.Whentheengineisengagedwithturninggear,cankeeptheenginefromstarting.

A.thecontrolairB.thesolenoidvalve

C.themainstartingairvalveD.theinterlockvalve

第二组：

(1)Thecompanyshouldestablishprocedurestoensurethattheshipismaintainedinconformity

withtheprovisionsoftherelevantrulesandregulationsandwithanyadditionalrequirements

whichmaybeestablishedbytheCompany.

(2)InmeetingtheserequirementstheCompanyshouldensurethat:

(2.1)inspectionsareheldatappropriateintervals;

(2.2)anynon-conformityisreported,withitspossiblecause,ifknown;

(2.3)appropriatecorr