輪機英語歷年真題48期

中華人民共和國海事局

2009年第5期海船船員適任統(tǒng)考試題（總第48期）

科目：輪機英語試卷代號：805

適用對象：無限近洋航區(qū)3000kw及以上船舶二/三管輪

（本試卷卷面總分100分，及格分為70分，考試時間100分鐘）

答題說明：請選擇?個最合適的答案，并將該答案按答題卡要求。在其相應位置上用2B鉛

筆涂黑。第1題至88題，每題1分,第89題至96題，每題1.5分。

一、單項選擇題

1.Dieselenginesclassifiedasreciprocatinginternalcombustionenginesbecausethey

A.useenergyfromfuelburnedoutsidetheircylinders

B.burnfuelinacombustionchamberthatmovesbackandforth

C.bumfuelinachamberwhereitsenergymovesapistonupanddown

D.acontinuouscombustionprocesstoimpartrotarymotiontothepistons

2.Theabbreviationstandsfor

A.middleindicationpressureB.meanindicatedpressure

C.meanindicatedpitchD.middleindicatedpower

3.Thetermusedtoexpresstheignitionqualityofaparticularfuelis

A.cetanenumberB.octanenumber

C.ignitionindexnumberD.volatilitypoint

4.Theperiodwhenbothinletvalvesandexhaustvalvesareopenisreferredtoas

A.valveloopB.valveuniflowC.valveoverlapD.valvegrinding

5.Whichofthefollowingstatementsrepresentsthefunctionofthecompressionringsinstalledat

thetopofadieselenginepiston?

A.Controltheamountoflubeoilburnedinthecombustionchamber

B.Transmitheatfromthepistontothecylinderliner

C.Preventdamagetoringgrooveinsertsbyactionasaheatdam.

D.Dissipatecombustionchambergaspressurebychannelingitthroughtheringgap.

6.Thegasloadsontheenginestructureareconstrainedbymeansofhydraulically

preloaded

Whichconnectthebedplate,framesectionsandcylinderjacketsintoasingleunit.

A.connectingrodsB.meanbearingC.columnD.therods

7.ofdifferentthicknessareinsertedbetweentheshellstoenableadjustmentofthebearing

clearness.

A.ScrewsB.FilmsC.DisesD.Shims

8.Comparedtofour-stroke/cycleengines,two-stroke/cycledieselengineshavethedisadvantages

of____

A.lesseventorqueB.highercylinderheadtemperatures

C.fewerpowerstrokeperrevolutionD.greaterweight/sizerequirements

9.Duringthefuelimectionperiod,fuelpressuremustexceedcylindergaspressureto

A.ensurepenetrationanddistributionofthefuelinthecombustionchamber

B.ensuretheneedlevalveisflushedcleanduringeachinjection

C.preventcombustiongasblowbackintotheopenneedlevalve

D.preventreflectedpressurewaveswhentheneedlevalvecloses

10.Theupperpistonringsinlarge,slow-speed,two-strokecycledieselenginesaremost

effectivelylubricatedbyoil

A.fedfrommechanicallubricatorsB.thrownofffromthemainbearings

C.suppliedformwickfeddriplubricatorsD.flowfromacentrifugalbanjooiler

11.Inadieselengineclosedfreshwatercoolingsystem,theamountofcoolantflowingthroughthe

heatexchangeiscontrolledbythe

A.sectionpressureregulatorB.thermostaticbypassvalve

C.seawatertemperatureD.waterlevelintheexpansiontank

12.Thepurposeofanafter-cooleristo

A.reducetheturbochargeroperationtemperature

B.increasethepressureoftheinletair

C.increasethedensityoftheinletair

D.reducethebloweroperationtemperature

13.Compressedairissuppliedbyaircompressorsto

A.theairreceiversB.thestartingvalvesC.thecylindercoversD.thedistributors

14.suppliespilotairtocontrolthecylinderairstartvalves.

A.AnairreceiversB.AnindicatorcockC.AnairdistributorD.Asafetyvalve

15.Thermocouplepyrometersareusedonlarge,mainpropulsiondieselenginestoindicatethe

temperatureofthe

A.coolingwaterleavingeachcylinderB.fueloilenteringtheinjector

C.exhaustgasesatvariouslocationsD.lubeoilatthebearingsuppliers

16.Afterstartingadieselengine,whichofthelistedoperatingconditionsshouldbecheckedfirst?

A.AirboxpressureB.LubeoilpressureC.ExhausttemperaturesD.Rawwaterpressure

17.Adevicewhichfunctionstobringadieselenginetoafullstoptoprotectitfromdamageis

knownasa/an

A.torquelimiterB.over-speedtripC.over-speedgovernorD.loadlimitgovernor

18.Aircocks,usuallypositionedattheinacirculatingsystems,isusedtogetridoftheair

inthesystem.

A.bendingjointB.expansiontankC.weldD.thehighestpoint

19.Somemediumandhigh-speeddieselenginesrequirereductiongearunitstoprovideauseful

propellerspeed.Inmostreductiongears,thebullgear

A.mustchurntheoilinthesump

B.isconnectedtothepropellershaft

C.isdrivenatthehighestRPM

D.compensatesforalignmentvariationsbetweentheengineandpiniongear

20.Whichofthefollowingstatementsconcerningfire-tubeboilersiscorrect?

A.combustiongasesflowthroughthetubesB.flamesimpingeonthetubes

C.combustionoccursinthetubesD.waterflowsthroughthetubes

21.Abypasslineprovidedaroundawasteheatauxiliaryboilerinadieselengineexhaustsystem,

maybeusedtoavoidboiler

A.corrosionatlowengineloadsB.erosionathighengineloads

C.overloadathighengineloadsD.scalingatallexhausttemperature

22.Theamountofchlondecontentinthewaterofanauxiliaryboilercanbereducedby

A.addinghydrazineB.blowingdowntheboiler

C.addingphenolphthaleinD.addingasulfitechloridescavenger

23.Failureoftheburnerflameinanautomaticauxiliaryboilerwouldprobablybearesultof

A.waterinthefueloilB.brokenhightensionleads

C.incorrectelectrodesettingD.fullfuelpressureatthenozzle

24.Boilerwaterhardnessisincreasedby

A.zeroalkalimtytothewaterB.scaleformingsaltsinthefeedwater

C.dissolvedgasesinthewaterD.improperoperationoftheDSheater

25.Ascrewpumpbelongstoaccordingtoitsworkingprinciple

A.recipmcatingpumpsB.positivedisplacementpumps

C.dissolvedgasesinthewaterD.centripetalpumps

26.Acentrifugalpumpoperatingagainstacloseddischargevalvehasa/an

A.capacityof100%B.efficiencyof0%

C.internalslippageof0%D.shutoffhorsepowerratingof100%

27.Beforedisconnectingajointinapipeline,youshould

A.determinethesizeofthegasketB.hangabucketunderthejoint

C.haveafirstaidkitonhandD.besurenopressureexistsintheline

28.Itispossibletomountadoublesuctioncentrifugalpumpimpellerwiththevanesfacinginthe

wrongdirection.Thiswouldcausethepump

A.headcapacitytoimproveB.dischargetobereversed

C.efficiencytodecreaseD.slippagetodecrease

29.Ifacentrifugalpumpisdrivenbyaconstantspeedelectricmotorandproducesadischarge

pressurelessthandesigned,thecauseisprobably

A.excessivepumpspeedB.excessivesuctionhead

C.wornwearingringsD.grosspumpmisalignment

30.Propertiesofagoodrefrigerationoilinclude

A.lowwaxcontent

B.highpourpoint

C.highviscosity

D.lowwaxcontent,highpourpoint,highviscosity

31.Theonlyallowsforadjustmentoftemperatureineachroombytheoccupantmanually

controllingtheairvolumeadmitted.

A.centralairconditioningsystemB.highvelocitysystem

C.lowvelocitysystemD.singleductsystem

32.Theprocessofaddingmoisturetoairtoincreasetherelativehumidityisknownas

A.sublimationBdesiccationC.humidificationD.miniaturization

33.Sludgymayforminthecrankcaseofanairconditioningcompressorasaresultof

A.bubblingrefrigerantB.overheatingandoxidation

C.loweredoperatingtemperaturesD.reducingthecloudorflocpoint

34.Whichoftheequipmentlistedismosteffectiveinprocessingbilgeslopsforoverboard

discharge

A.a100PPMoilywaterseparator

B.assemblingthelubeoilpurifierasaseparatorandaligningittothebilgeoverboard

C.a15PPMoilywaterseparator

D.amagneticduplexstrainer

35.Whenstarted,acompleteoilywaterseparatingunitisfirstfilled.Theoilywater

mixtureisthenpumpedthroughtheinletpipeintothecoarseseparatingcompartment.

A.withdirtywaterB.withcleanwaterC.byoilywaterD.bymixedwater

36.Whichisthepollutionpreventionequipment?

A.boosterpumpB.evaporatorC.incineratorD.cooler

37.Concerningtheincinerator'soperation,whichofthefollowingisnotcorrect?

A.scavengingtimeshouldbemorethan30secondsbeforeigniting

B.theoiltemperatureofwasteoiltankis80-100℃

C.firstignitingtheincineratorwithdieseloilwhenthetemperatureofhearthisabout600℃,the

wasteoilisdrawnin.

D.theashfromincineratorcanbedumpedintoseanodistancelimitation

38.Bacteriawhichlivearesaidtobeaerobic

A.inthepresenceofoxygenB.withoutoxygen

C.inthepresenceofnutritionD.withoutnutrition

39.Forapurifierchangingtoagravitydiscwithsmallerholediameterwillmovetheinterface

towardsthe

A.bowlperipheryB.bowlcenterC.uppersurfaceD.lowersurface

40.Toensurelubeoilpurifierworkinginnormalcondition,theintervalbetweentwosludgy

dischargingshouldnotexceedhours.

A.2B.4C.5D.6

41.Whichofthefollowingproblemswilloccurifadisk-typecentrifugallubeoilpurifierisnot

properlyprimedpriortoadmittingoilflowtothebowl?

A.Contaminationofthelubeoilbyemulsificationwillresult

B.Thelubeoilwillnotbesubjectedtothepropercentrifugalforce

C.Thelubeoilwilloverheatandflash

D.Oilwilldischargefromtheheavyphasedischargeportandbewasted

42.Avacuumisinitiallycreatedinaflashtypedistillingplantby

A.theflashingofthefeedwater

B.thecondensationofthesaltwaterfeed

C.airejectors,eductors,ofaseparatevacuumpump

D.condensationofthedistillate

43.Onwhichofthefollowingheatedsurfacesofaflashtypeevaporatorwouldyoubemorelikely

tofindsoftscaleformation?

A.Feed-waterheaterinternaltubesurfacesB.Internaldistillatecoolertubes

C.FlashchamberverticalsurfacesD.pressurecontrolvalve

44.Whattypeofvalveisusedtodirecttheflowofhydraulicfluid?

A.reliefvalveB.directioncontrolvalve

C.stopvalveD.pressurecontrolvalve

45.Anothernameforthe“swashplate”inthevariabledeliverypumpis

A.tiltablediscB.gravitydiscC.distributingdiscD.catchplate

46.Thedrivemotorwillhaveabrakearrangedtofail-safe,i.e.itwill_theloadifpowerfailsor

machineisstopped.

A.liftB.putC.takeD.hold

47.Ifthepumpforahydraulicanchorwindlassisoverheating,thecausemaybe

A.increasedpumpspeedB.excessivepumpdischargepressure

C.toolowofatiltingboxangleD.lowpumpspeed

48.Whenthepowerisshutoff,thewire

A.becomesslack

B.cannotbepaidoutunlessthebrakeisoverhauledorrecoverwireunlessmanuallyoperated

C.willbeletoutbecausethebrakeisoutofwork

D.maybepayoutduetonopower

49.Anadditiveusedtoimprovetheabilityofalubeoiltoreducefrictionisknownasa/an

A.suppressantadditiveB.dispersantadditive

C.extremepressureadditiveD.viscosityimproveradditive

50.Strainersarecommonlyusedinhydraulicsystemsto

A.protectthepumpfromfinesolublecontaminants

B.preventsolidparticlesfromenteringthepump

C.preventsolidparticlesfromenteringthefilter

D.protectthedirectionalcontrolvalves

51.Currentchangingindirectionandrisingandfallinginvalueis

A.A.C.B.D.C.C.generatorD.freshwatergenerator

52.Themagneticfieldisprovidedbyelectromagnet,soarrangedthatadjacentpoleshave

A.oppositepolarityB.thesamepolarityC.negativepolarityD.positivepolarity

53.PriortoclosingthebreakerwhenparallelingtwoAC.generators,therecommendedpracticeis

tohavethefrequencyoftheincomingmachine

A.slightlylessthanthelinefrequencyB.thesameasthelinefrequency

C.slightlygreaterthanthelinefrequencyD.havenothingtodowiththelienfrequency

54.ThepowerfactoratwhichaparalleledA.C.generatoroperatesisusuallyadjustedbythe

A.connectedloadB.primemoverspeed

C.fieldexcitationD.generatorsratedvoltage

54.Whenyouaremakingahighpotentialtestonapieceofrepairedelectricalmachinery,arisein

leakagecurrentindicates

A.goodinsulationB.badinsulation

C.highinsulationpowerfactorD.ahighslotdischargefactor

56.isnotapartofthemainswitchboardonboard.

A.BusbarB.Loadpanelofmaingenerator

C.ParallelingpanelD.Shoreconnectionbox

57.Usually,emergencyelectricitysuppliestoonboard

A.cargowinchB.windlassC.steeringgearD.mainaircompressor

58.Thegroundterminalofastartershouldbeconnectedto

A.thecommongroundpointB.thestarter'sframe

C.thecommunicatorD.thestarter'smountingbolts

59.Theseparatesuppliesareconnectedineitherstarordeltaformation.Thestarformationis

mostcommonlyusedandrequiresslip-ringsonthealternator.

A.twoB.threeC.fourD.five

60.Asageneralrule,thefirsttroubleshootingactiontobetakenincheckingfaultyelectriccontrol

devicesisto

A.drawaonelinediagramofthecircuitryB.testallfusesandmeasurethelinevoltage

C.takemeggerreadingsD.insulatetheapparatusfromground

61.WhenmeasuringACcurrentflow,youmustalwaysconnectthemeter

A.inserieswiththepowersourceandload

B.inparallelwiththepowersourceandload

C.insuringcorrectpolarity

D.usingthelowestrangepossibletopreventinstrumentdamage

62.Ifasmallelectricmotorisimmersedinsaltwateritshouldbe.I.washedwithfree

water;II.driedinanoven

A.onlyIB.onlyIIC.bothIandIID.neitherInorII

63.“AMIDSHIPS'Tefersto

A.backofvessel

B.themiddleportionofaship

C.abackwardmovementofavessel

D.acrosstheship,atrightanglestothefore-and-aftcenterline

64.isthemaincausetothedamageofenginepartsandexcesswearing

A.overloadB.theoddsoftheload

C.thedefaultofenginepartsD.overloadandtheoddsoftheload

65.After''finishedwithengine”，whichofthefollowingcannotbeshutoffbythedutyengineer?

A.fueloilboosterpumpB.themainstartingvalve

C.theseachestD.themaincoolingseawaterpump

66.WhichofthefollowingisNOTarecommendedsafepractice?

A.Securingequipmentagainstslippingordrifting

B.Operatingmachineryatitsrecommendedspeed

C.Repairingloosehandlesontoolsbeforeusing

D.Usingtoolsforpurposesforwhichtheyarenotdesigned

67.Aclass"C"firewouldoccurin

A.beddingB.pipeinsulationC.paintD.agenerator

68.Ifafireoccursintheboilerroomasaresultofaleakingfuelline,youshouldFIRST

A.notifytheengineeronwatch

B.isolateandsecurethepiping

C.throwsandonthefire

D.extinguishthefireusingacombinationnozzlewithapplicator

69.Whichofthefollowingstatementsistrueconcerningcarbondioxidewhenusedasafire

extinguishingagent?

A.Carbondioxideiscorrosivewhenexposedtofire

B.Carbondioxideshouldbeappliedslowlytoalargeengineroomfire

C.Itstotalcoolingeffectisfargreaterthanwater

D.ItssmotheringeffectisexcellentforclassBfires

70.Asadutyengineer,assoonasyouhearthefireemergencysignal,youshouldensurethatthe

A.ringbuoysarethrownoverboardB.enginesarestopped

C.firepumpsarestartedD.lifepreserveshavebeenissuedtoeveryone

71.Whenadministeringartificialrespiration,itisoftheutmostimportanceto

A.usethemouth-to-mouthmethodB.clearairways

C.userhythmicpressuremethodD.checktheinjuredperson'shearbeat

72.Whatistheharmfuleffectofsulfurinafuel?

A.Itcausesexcessivesmokingandsootatlowfiringrates

B.Itdoesn'treadilybumwhencombinedwithoxygen

C.Itclogsfueloilstrainersmoreoften

D.Itformsaconosiveacidwhenmixedwaterorwatervapor

73.,whereminorrepairsarecarriedoutwithashipinservice,oftenduringastayinport.

Thismayberemotefromashiprepairsite.

A.VoyagerepairsB.RoutinedockingC.DamagerrepairsD.Conversion

74.Whenshipinthedockrepairing,enginedepartmentshouldemphasizeontheinspectionof

A.seavalvechestandthrusterB.steeringgearandtheshaftsystem

C.seawatersystemD.freshwatersystem

75.TheadditionalmarkintheClassificationCertificateforMachineryrepresentsthat

personnelarewatchingatengineassemblycontrolstationandmonitoringallmachineryand

electronicdevices.

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

76.EachcompletedpageoftheOilRecordBookmustbesignedbythe

A.engineeronwatchB.chiefengineerC.chiefmateD.master

77.TheInternationalOilPollutionPreventionCertificaterequiredbyMARPOLisissuedto

Chineseflagbythe

A.IMOB.CCSC.USCGD.PICC

78.If,thePSCOshouldproceedtoamoredetailedinspection.

A.thePSCO'sgeneralimpressionconfirmagoodstandardofmaintenance

B.thecertificatesarevalid

C.thePSCObelievestheshipdoesn'tmeettherequirements

D.thePSCOcan'tfinddeficienciesatfirstglance

79.ThePoriStateControlofficermaywitnessafiredrillcarriedoutbythecrewassignedtothese

dutiesonthe

A.navigationlogbookB.engineroomlogbook

C.oilrecordbookD.musterlist

80.STCW78-95Conventionstatesthatofficerinchargeoftheengineeringwatchisthe

representative

A.ship-owner9sB.master'sC.chiefengineer'sD.manager's

81.Intheeventofminoremergencieswhenthemachineryspacesunattended,will

beinformedofmalfunctionsinthemachinerybyhiscabinmonitor.

A.thechiefengineerB.theengineeroncabinwatch

C.thebridgeofficeronwatchD.themaster

82.Atanunshelteredanchoragethechiefengineerofficershallconsultwiththemasterwhetheror

notto______

A.doenginerepairworkB.cleanseawaterfilter

C.maintainanunderwaywatchD.takebunkering

83.ThePollutionPreventionRegulationsrequirethatalloilspillsinUnitedStateswatersbe

reportedimmediatelytothe

A.localportauthorityB.corpsofengineersC.U.S.coastguardD.statepollutionboard

84.Whenthegarbageismixedwithsomedischargeshavingdifferentdisposalordischarge

requirements,shallapply

A.anyrequirementappointedbythePSCofficerB.themostsuitablerequirement

C.themoststringentrequirementD.norequirement

85.AccordingtotheSOLASconvention,theengineroomemergencybilgewatersuctionshould

connectwith

A.themainS.W.pump

B.theballastpump

C.theair-conditioningwaterpump

D.themainS.W.pumporballastpumpthathavethebiggestoutput

86.ThepurposeoftheISMCodeistoprovidestandardforthesafemanagementand

operationofchipsandforpollutionprevention.

87.meansthelevelforwhichappropriateadditionalprotectivesecuritymeasuresshallbe

maintainedforaperiodoftimeasaresultofheightenedriskofasecurityincident.

A.Securitylevel1B.Securitylevel2C.Securitylevel3D.Securitylevel4

88.Theinstallationandprevisionoffirefightingequipmentismainlysubjectto

A.ISMCodeB.ISPSCodeC.JBCCodeD.FSSCode

二、關聯題（關聯提題干下有4個小題，每小題4個選項）

第一組：

Inaclosedfreshwatersystem,theenginejackets,theheatexchangerandthecirculatingpumps

formacontinuouscircuitwhichisnotopentotheatmosphere.Thecylinderjacketcoolingwater

afterleavingtheenginepassestoaseawatercirculatingcooler(heatexchanger)andthenintothe

jacketwatercirculatingpumps.Itisthenpumpedaroundthecylinderjackets,cylinderheads,

exhaustvalvesandturbo-blowers.However,provisionhastobemadefortheexpansionofthe

waterduetotheincreaseintemperatureandduetosmallamountsofairwhichmayenterthe

systemandbecomeentrainedandforwatermake-upduetoleakages.Thesearemetbyasmall

headtankwhichisopentotheatmosphereandplacedatahigherlevelthananyotherpointinthe

systemsothatthesmallchangesinvolumecanbeaccommodatedbychangingthelevelofthe

freesurfaceofthewaterinthetank.Theheadtankisgenerallyconnectedintothesystematthe

pumpsuction,asthisminimizesthechanceofairbeingdrawintothesystematthepump.The

minimumheightoftheheadtankmaybebasedonmaintainingpressureoffreshwaterintheheat

exchangerabovethatoftheseawatertoensurethatintheeventofasmallinternallockdeveloping

seawatercannotenterthefreshwatersystem.Alternatively,itmaybebasedontheneedfora

minimumpressuretobemaintainedwithinthejacketstoavoidcavitationseffects.Theclosed

systemsusuallyneedventsifsteampocketsorairlocksarenottocausetrouble.Ventpipesof

small-boretubeareleadfromanylocalhighpointinthesystemtothetopoftheheadtankforthe

releaseofairfromthecoolingwater.Aheaterinthecircuitfacilitateswarmingoftheengineprior

tostartingbycirculatinghotwater.Thetemperatureofthewaterenteringtheenginejacketsis

regulatedbymeansofaby-passacrossthejacketwatercooler.Theproportionsofwaterpassing

throughthecooler,orbypassingitarecontrolledbyathree-wayvalve.Thetemperatureisusually

adjustedtomaintainaconstraintoutletwatertemperaturefromtheengineregardlessoftheloador

speedorthetemperatureoftheseawater.Thepistoncoolingsystemmaybeanopensystemwhich

employssimilarcomponentswiththeclosedsystem,exceptthatadraintankisusedinsteadofa

headtankandtheventarethenledtoahopperortundishatthehighpointinthemachineryspace.

Thehopperservesasavisualflowindicator.Aseparatepistoncoolingsystemisusedtolimitany

contaminationfrompistoncoolingglandstothepistoncoolingsystemonly.

89.Theloopofthejacketcoolingwateris

A.engine-?—heatexchanger---circulatingpumpsengine

B.heatexchangerengine--circulatingpumps--heatexchanger

C.circulatingpumps——heatexchangerenginecirculatingpumps

D.circulatingpumps——engineheatexchanger——headtank

90.Asmallheadtankisprovidedintheclosedjacketcoolingwatersystemfor

A.waterexpansionB.watermake-up

C.warmingoftheengineD.waterexpansionandmake-up

91.Theheadtankisconnectedtotheclosedcircuitat

A.engineinletB.pumpsinletC.heatexchangeinletD.engineoutlet

92.Thejacketwatertemperatureisregulatedtomaintainaconstrainttemperatureof__

A.engineinletB.pumpsinletC.heatexchangerinletD.engineoutlet

第二組

Followingasecurityincident,inwhichtheresponsemeasuresoutlinedintheShipSecurity

Plan(SSP)havebeenactivated,therewillbeathoroughreviewoftheireffectivenessanddetails

willbemadeavailable,onrequest,topersonsdulyauthorizedbytheShip'sFlagState

Administration.TheShipSecurityPlanisnotsubjecttodeta