輪機(jī)英語(yǔ)補(bǔ)充題庫(kù)

輪

機(jī)

英

語(yǔ)

補(bǔ)

充

題

庫(kù)

l.Inthetwo-strokedieselengine,itisdesignedsothat

theoilimpingementistimedtoproceedonlyonthe

pistonringbeltduring.（impingement7中擊，

影響）

A.compressionstrokeB.suctionstrokeC.

expansionstrokeD.exhauststroke

2.Inafour-strokeengine,whichprocesslaststhe

longestperiod?

A.exhaustandsuctionprocessB.suctionand

compressionprocess

C.combustionandexhaustprocessD.working

andexhaustprocess

3.Onwhatdoyoudependhavingtheaircoolerofmain

enginechemicallywashed?

A.increasedairpressuredifferencebeforeandaftair

cooler

B.reducedexhausttemperatureinallcylinders

C.reducedtemperaturedifferencebetweenwaterinlet

andoutlet

D.bothAandC

4.Whenoccurringafireinthescavengeairbox,the

followingmeasuresshouldbetakenexcept

for.

A.reducingspeedtoSLOWandaskingbridgefbr

permissiontostop

B.stoppingthefueloilsupply

C.switching-ontheauxiliaryblowers

D.puttingthescavengeairboxfireextinguishing

equipmentintofunction

5.Continuoussurging(喘振)ofturbochargercanbe

causedby.?crashstopofengine

?increasedbackpressureafterT.CH.(turbocharger)

?fouledordamagedturbinenozzlering

A.allarecorrectB.②and

③arecorrect

C.noneoftheaboveiscorrectD.①

onlyiscorrect

6.Whenasuddenincreaseindemandoccursfromthe

boiler,thewaterlevelinthedrumatthehigher

pressurewill.

A.risequicklyB.riseslowlyC.

dropquicklyD.dropslowly

7.Onmodemships,centrifugalpumpwitha

self^primerhasreplacedreciprocatingpumpasbilge

pumpbecause.

A.centrifugalpumpischeaperthanreciprocating

pump

B.thesizeofcentrifugalpumpwithsamecapacityis

smallerthanthatofreciprocatingpump

C.centrifugalpumpmakesmaintenanceeasierthan

reciprocatingpumpdoes

D.alloftheabove

8.Whichcauseoffollowingwillnotleadto

refrigerationplantshort-cycle?

A.lackofrefrigerantB.

refrigerantwithmuchwater

C.setdefectivelylowpressurerelayD.no

coolingwater

9.Toreceiveoilresiduesfromthepurificationoffuel

andlubricatingoilsinthemachineryspaces,what

kindoftank(s)shouldbeprovidedonboard?

A.bilgetankB.sludgetank污油柜C.

overflowtankD.oilcollectingtank

10.Theoildischargemonitoringsystemintheoiltanker

vesselsisusedfbrdetectingtheamountofoil

dischargedoverboardtoensurethatitdoesnot

exceed.

A.15liters/nauticalmileB.30

liters/nauticalmile

C.60liters/nauticalmileD.100

liters/nauticalmile

11.Whichofthefollowingfunctionsisnotoneofthe

functionsofairconditioner?

A.refreshingtheairB.making

personupset

C.adjustingtheairhumidityD.adjusting

theairtemperature

12.Whichofthefollowingstatementsisnottrue

concerningsymptomofafireinthescavengeair

box?

A.anincreaseintheexhausttemperatureofthe

affectedcylinder

B.theturbochargermaysurge

C.theexplosionpressureinallcylinderswillrise

violently

D.smokefromtheturbochargerairinletfilterwillbe

seen

13.Whattypeofelectricmotorismostcommonlyused

onboardship?

A.non-synchronouselectricmotorB.

synchronouselectricmotor

C.fullyenclosedelectricmotorD.

watertightelectricmotor

14.Accordingtotheprincipleoffour-strokediesel

engine,whatisthenumberofitsefficientworkstroke

perrevolution?

A.1/2B.1C.2

D.3

15.Whatisheadtankintheclosedcoolingwatersystem

usedfor?

A.forthereleaseofairfromthecoolingwater

B.providingexpansionroomfbrheatedcoolingwater

C.aplacefbrimplementingwaterandwatertreatment

agent

D.alloftheabove

16.Thefunctionofsynchronouscompensating

machine（同步補(bǔ)償）isto.

A.improvepowerfactor

B.reducevoltageoscillation

C.increasetheinsulationofcircuits

D.eliminateregeneratedmagneticfields

17.Continuoussurgingofturbochargercanbecausedby

.?crashstopofengine?increased

backpressureafterT.CH.?fouledordamaged

turbinenozzlering

A.allarecorrectB.②and

③arecorrect

C.noneoftheaboveiscorrectD.①

onlyiscorrect

18.Afewspotsofturbochargersurgingcanbecausedby

.①crashstopofengine②rapid

increaseofenginespeed

A.①onlyiscorrectB.②

onlyiscorrect

C.both①and②arecorrectD.neither

?or(2)iscorrect

19.Withoneormorecylindersoutofoperation,the

enginespeedmustbereducedbecause.

A.insuchcases,theairsupplyisnolongeroptimal最

佳的，thethermalloadwillbehigher

B.governorhuntingwilloccur

C.torsionalvibrationsaswellasothermechanical

vibrationsmayoccur

D.alloftheabovearecorrect

20.ThenameplateofanACnon-synchronousmotor

showsthatrunningspeedis1460r/min,frequency

50Hz.Youcaninferthatthenumberofmagnetic

polesis.

A.2B.4C.6

D.8

21."380V/220Y/△"notedonthenameplateofa

non-synchronousmotormeansthat.

A.thearmatureterminalsofthemotorshouldbe

connectedinstarformationwhenvoltageofpower

supplyis380V

B.thearmatureterminalsofthemotorshouldbe

connectedindeltaformationwhenvoltageof

powersupplyis220V

C.bothAandBarecorrect

D.thearmatureterminalsofthemotorshouldbe

connectedinreversewaysofAandB

22.Theinitialvoltageofself-excitationgeneratoris

generallysetupby.

A.residualmagnetismB.voltage

regulator

C.electricalcurrentforexcitationD.theother

runninggenerator

23.TheDCexcitationtothefieldofbrushless

synchronousgeneratorisgenerallyproducedby_.

A.anexciterdrivenbythesameshaftwiththe

generator

B.anexciterdrivenbyexternalprimemover

C.generatoritself

D.eitherAorB

24.Whenasuddenincreaseinsteamdemandoccurs

fromtheboiler,thewaterlevelinthedrumatthe

higherpressurewill.

A.risequicklyB.rise

slowly

C.dropquicklyD.drop

slowly

25.Whenasuddenincreaseinsteamdemandcomesto

normal,thedrumpressurewilland

waterlevelinthedrumwill.

A.rise,risealsoB.rise,

drop

C.drop,riseD.drop,

dropalso

26.Whichofthefollowingequipmentisnotpollution

preventionequipment?

A.oilywaterseparatorB.sewage

treatmentplant

C.fueloilseparatorD.

incinerator

27.Whichofthefollowingpumpsismostsuitableforan

oilywaterseparator?

A.reciprocatingpumpB.vane

pump

C.monopumpD.

axial-flowpump

28.Whichofthefollowingpumpswillmostaffect

oily-waterseparatorperformanceandgivetheworst

result?

A.reciprocatingpumpB.vane

pump

C.screwpumpD.

centrifugalpump

29.Onmodernships,centrifugalpumpwithaself^primer

hasreplacedreciprocatingpumpasbilgepump

because.

A.centrifugalpumpischeaperthanreciprocating

pump

B.thesizeofcentrifugalpumpwithsamecapacityis

smallerthanthatofreciprocatingpump

C.centrifugalpumpmakesmaintenanceeasierthan

reciprocatingpumpsdoes

D.alloftheabove

30.Toreceiveoilresiduesfromthepurificationoffuel

andlubricatingoilsinthemachineryspaces,what

kindoftank(s)shouldbeprovidedonboard?

A.bilgetankB.sludgetankC.overflow

tankD.oilcollectingtank

31.Accordingtotheprincipleoftwo-strokedieselengine,

whatisthenumberofitsefficientworkstrokeper

revolution?

A.1/2B.1C.2

D.3

32.Therewillusuallybesummariesordailyaccount

tablesforheavyoil,dieseloil,lubricatingoiland

freshwater,whichwillbecompiled.

A.atthebeginningofeverywatchB.atthe

beginningofthefirstwatcheveryday

C.atthecompletionofeverywatchD.atnoon

everyday

33.However,whereimmediateactionisnecessaryto

ensuresafetyoftheship,itsmachineryandcrew,it

mustbetakenbytheengineerincharge.Whatdoes

“滬meaninthesentenceabove?

A.safetyB.theship,its

machineryandcrew

C.immediateactionD.theengineerin

charge

34.Whatisusedforpreventingpollutiondamagetothe

seafromships?

A.MARPOL73/78B.SOLAS74C.

STCW78/95D.ISPS2002

35.Duringtoursofinspectioninthemachineryspace,

youfoundafireonarunninggenerator,whatshould

youdofirst?

A.informchiefengineerofficerimmediately

B.stopthegenerator

C.letthedutyofficerinbridgedeterminehowtodo

D.waitforhelp

36.Whichcauseoffollowingwillnotleadto

refrigerationplantshortcycle?

A.lackofrefrigerantB.

refrigerantwithmuchwater

C.setdefectivelylowpressurerelayD.

nocoolingwater

37.Iftwofuelservicetanksareinstalled,theemptytank

shouldbepumpedupdirectlyitisempty.Whatis

themeaningof"directly“inthesentenceabove?

A.atonceB.assoonasC.

quicklyD.straight

38.Fromviewpointofpractice,itissometimesimportant

todetectabnormalhappeningsintherunninggear

by.

A.akeensenseofhearing

B.richtheory

C.communicatingabilitywithothers

D.repetitionwork

39.Whereisthecoolingwaterfromthecompensating

tankinthecoolingwatersystemofmainenginelead

to?

A.dischargesideofthecentrifugalpump

B.suctionsideofthecentrifugalpump

C.thelowestpointofthecoolingwatersystem

D.inletofthemainengine

40.Crudeoilwashingofcargotankshasthefollowing

advantagesexceptfbr.

A.reducingtheerosionofthecargotanks

B.increasingthetotalquantityofoiltocarry

C.reducingthequantityofwatercontainedinoil

D.reducingcargodischargedtime

41.Whichsysteminthehydraulicsystemsofcrane

alwaysholdsinglesideofload?

A.hoistingsystemonly

B.hoistingsystemandluffingsystem

C.hoistingsystemandslewingsystem

D.slewingsystemonly

42.Onwhatdoyoudependhavingtheaircoolerofmain

enginechemicallywashed?

A.increasedairpressuredifferencebeforeandaftair

cooler

B.reducedexhausttemperatureinallcylinders

C.reducedtemperaturedifferencebetweenwaterinlet

andoutlet

D.bothAandC

43.Whichoneofthreeelementsfbrafireonatanker

vessel油輪ismostdifficulttoeliminate(isolate)?

A.acombustibleelement,fuel

B.energy(resourcesfbrignition)tostartthe

combustion

C.oxygentosupportthecombustion

D.bothAandC

44.Thecranejibisraisedandloweredbymeansof

A.amooringwinchB.ahoisting

winch

C.aslewingwinchD.aluffing

winch

45.Thegaugepressureinsideacontaineris-0.5kg/cm2,

thenwhatistheabsolutepressureexertedtothe

insidesurfaceofthiscontainer?

A.0.05MpaB.0.95MpaC.

1.05MpaD.0.5Mpa

46.Aprocessofcomparingtheactualperformanceofa

machinewiththeintendedperformance,andthen

adjustingthemachinetoreduceandeventually

eliminatethedifferencebetweentheactualand

intendedperformanceiscalled.

A.openloopcontrolB.feedback

C.combiningcontrolD.integral

process

47.Whatistheresultofconverting10℃intodegreeof

Fahrenheit?

A.0°FB,18°FC,32°F

D.50°F

48.Whencomparingtheairwith50%ofrelative

humiditywiththeairwith100%ofrelativehumidity,

whichonewillholdmorewater?

A,theformerB,thelatterC,notofsure

49,Whichofthefollowingequipmentcan,tbeusedfor

thewasteheatrecoveryoftheM.E.tofurther

improveitsthemalefficiency?

A,M.E.turbochargeB,exhaustgasboiler

C,incineratorD,F.W.G

50,Foragivenexhaustgasboiler,what'sthequantityof

evaporationmainlydetermined?

A,thetemperatureandflowquantityoftheexhaust

gasfromM.E.

B,thequantityofsteamdemand

C,therotaryspeedandthecoolingwatertemperature

ofM.E.

D,efficiencyofM.E.turbocharger

51,Thewaterlevelofexhaustgasboilerwhichis

independentoftheauxiliaryboilerandjustasextra

heatingsurfaceofit?

A,willbemodulatedinproportion

B,willbemodulatedinproportionandintegral

C,willbemodulatedinproportionanddifferential

D,willnotbemodulatedatall

52,Inheavymarineengine,thepracticeistodrivethe

engineonwhichhaspreviouslybeenstoredin

airbottles

A,electricB,hydraulicC,compressedairD,

turninggear

53,Whichoneoffollowingstatementsisnotture

concerning,thesuitablesitesofthedirectacting

reliefvalveandthepilotoperatedrelievevalve?

A,thedirectactingreliefvalveisusedfor

controllinglowerflowsandpressure

B,thepilotoperatedreliefvalveisusedfor

controllinghigherflowsandpressure

C,thepilotoperatedreliefvalveisusedfor

controllinglowerflowsandpressure

54,Whichofthefollowingstatementsconcerningthe

watertubeandfiretubeboilersisnotture?

A,naturalcirculationofthewaterinthewatertube

boilerisbetterthanthatinthefiretubeboiler

B,fbrthesameoutput,thewatertubeboilerwill

carrylessmassofwatercomparedwiththefire

tubeboiler

C,thewatertubeboilerwillcostshortertimefbr

steamraising

D,thewatertubeboilerrequirelowerskillin

operatingandmaintaining

55,AqueousFilmFormingFoam(AFFF)commonly

knowaslightwaterisespeciallysuitablefbr

fighting

A,oilfiresintheengineroombilgesB,classB

firesinpaintlockersC,anyclassDfireD,

alloftheabove

56,Inmostpumpsandpumpmotorsoverpackingthebal

bearingfullofgreasewillresultin

A,moistureemulsificationofthebearinggrease

B,insufficientcirculationandoverheatingofthe

bearing

C,propergreasecirculationtocoolthebearing

D,slidingfrictionbetweenballsandraces

57,Theclutchbandofaconstanttensioningmooring

winchmustbesetuptightenoughtodrivethe

winchdrumandshouldsliponlywhen

A,excessiveloadsareplacedonthewinch

B,minimumpullisbeingexertedbythewinch

C,automaticoperationofthewinchisdesired

D,wireisbeingretiredatthemaximumrate

58.Theefficiencyandoutputcapacityofalowpressure

distillingplantwillbereducedifthelasteffectshell

*

A.pressuredoesnotfluctuate波動(dòng)，變動(dòng)rapidly

B.pressureremainssteadyandunchanged

C.brinedensitydoesnotexceed1.5

D.brinedensityistoolow

59.Inarefrigerationsystem,whichofthefollowing

statementsdescribestheactionsoccurringwhena

solenoidvalve,usedinconjunctionwithanunloader

head,isenergized?

A.Thesolenoidvalvedirectshighpressuregastothe

valveliftingdeviceraisingthesuctionvalveoffits

seatandcausingonespecificcylindertobecome

unloaded.

B.Thesolenoidvalvedirectshighpressuregastothe

undersideoftheunloadingpiston,causingittorise

andallowingthere-circulatingportstobeopened.

C.Whenthesolenoidvalvebecomesenergized,the

valveportsbecomeclosed,allowingdischarge

pressuretobuildupabovethepiston,shiftingitand

causingittounload.

D.Thesolenoidvalveallowstherefrigeranttopass

fromthesuctionchambertothetopoftheunloader

piston,causingthepistontoliftandunloadthe

cylinder.

60.Whichofmaterialslistedisusedasthedynamicseal

materialonmechanicalsealsinstalledonmost

centrifugalpumpsusedinwaterservice?

A.copperB.copperandcarbonC.

carbonD.bronze

61.Theheatedfeed-waterenteringanyflashchamberof

aflash-typeevaporatorwill.

A.vaporize,withtheunflashedwaterremainingatthe

temperatureatwhichitenteredtheflashchamber

B.vaporize,withtheunflashedwaterequalizingtothe

saturationconditionsexistingintheflashchamber

C.vaporize,withtheremainingwateratatemperature

greaterthanitenteredtheflashchamber

D.boil,allowingsteambubblestorisethroughthe

brineatthebottomoftheflashchamber

62.Thethreebasicpartsofanyeductorarethenozzle,

thesuctionchamber,andthe.

A.injectorB.compressorC.

diffuserD.siphon

63.Toavoiddamagingthecomponentsofaprinted

circuitboardwhentestingitwithaDC

volt-ohmmeter,youshould.

A.groundtheboard

B.avoidreversingthepolarityoftheleads

C.isolatesensitivecomponentswithheatsinks

D.alloftheabove

64.Whichofthefollowingactionsshouldbetakenif

duringaroutinemaintenanceinspectionofa

centrifugalpump,localizedscoringonapumpshaft

sleeveisdetected?

A.Correctthecauseofthescoringandrepairthe

sleeveorreplacewithanewone.

B.Reassembletheunitandprovidemorewaterleakoff

forproperlubrication.

C.Checkforparallelalignmentofthesleeveradial

facestothesleevebores.

D.Reassembletheunitandadjustthegovernorto

obtainaslowerspeed.

65.Compensatedflowcontrol,orconstantflowvalves

areusedinhydraulicsystemsto.

A.compensateformajorleaksinthesystem

B.maintaintheoriginalfluidviscosity

C.allowfbrchangesinpressureandtemperature

withinthesystem

D.assureconstantfluidtemperature

66.Althoughlubeoilsusedinthemainlubricating

servicesystemsshouldhavearelativelyhighflash

pointtoavoidignition,theycancreatesmokeandfire

hazardswhenthey.

A.areexposedtoavacuum

B.comeincontactwithextremelyhotsurfaces

C.arereducedintemperaturetojustabovethepour

point

D.becomeextremelyagitatedoraerated

67.Forthepropercontroloftheairtemperatureinanair

conditioningsystemusingchilledwatercirculation,

whichofthelistedconditionsshouldremainconstant

regardlessofloadchanges?

A.chilledwatersystemsupplytemperature

B.chilledwatersystemreturntemperature

C.compressordischargetemperature

D.compressorsuctionpressure

68.Hydraulically,servo-operated,automatic,changeover

valvesutilizedinatwo-ramhydraulicsteeringgear,

serveto.

A.allowanalternatemainpumptostartinthefully

loadedconditionthusdevelopingimmediatefull

torque

B.preventeithermainpumpfrombeinghydraulically

motoredwhenidlebycrosspressureflow

C.preventbothunitsfromoperatingsimultaneously

whichcouldresultindoublingtheflowofoiland

pressureleadingtooverpressurizationofthe

system

D.alloftheabove

69.Inanelectro-hydraulicsteeringgear,anychangein

relativepositionbetweenthesynchronousreceiver

andthefollow-upgearwillresultin.

A.thepumpgoingtofullstroke

B.closingofthesix-wayvalve

C.drivingtheramsupagainstthestops

D.acorrespondingslowingorincreasingofthe

pumpedflowrate

70.Whichofthefollowingproblemswilloccurifthe

internaldrainateitherendofahydraulic,two-way,

spool-typedirectionalcontrolvalvecylinderwereto

becomeplugged?

A.Thereservoirwouldbecomevaporbound.

B.Thevalvewouldbeplacedinhydrauliclock.

C.Thespringloadedreliefportswouldopen.

D.Thebufferingchamberswouldbeunableto

function.

71.Themajordifferencebetweenthedischargeand

suctionsvalvesinstalledinmostlowpressure,

reciprocatingaircompressorsisthat.

A.onevalveseatsupwards,whiletheotherseats

downwards

B.thereedvalvesusedonthedischargearemade

substantiallythickerandheavierthanthesuction

valves

C.thesuctionvalvespringsexertagreatertensionthen

thedischargevalvesprings

D.thedischargevalvespringsexertagreatertension

thenthesuctionvalvesprings

72.CFCrefrigerantsexposedtohightemperatureor

directflame,willdecomposeandmayproduce

A.methylchlorideB.ammoniaC.

hydrofluoricacidD.ozone

73.Operationalamplifiers,usedprimarilyinanalog

circuits,arecharacterizedby.

A.highinputimpedance,highgainandlowoutput

impedance

B.highinputimpedance,highgainandhighoutput

impedance

C.lowinputimpedance,lowgainandhighoutput

impedance

D.lowinputimpedance,highgainandlowoutput

impedance

74.Withno.landno.2alternatorsrunninginparalleland

thekWloadsequallyshared,onealternatoris

drawingmuchhighercurrentthantheother.What

doesthisindicate?

A.Thealternatorsarenotgeneratingthesamevoltages

andshouldbeadjustedonautomaticvoltage

regulatorrheostats

B.Alternatorfrequenciesaredifferentandshouldbe

adjustedonthegovernorspeedcontrollers

C.Alternatorsareoutofphaseandshouldbetripped

andparalleledagain

D.Onealternatorhaslostoneofitsphases

75.Thecylindercoversaresecuredbyeightelastic

holding-downarrangedinfourpairs.

A.nutsB.screwsC.studs

D.flanges

76.Thereisasupportringbetweenthecylinderblock

andthecollarofthecylinderliner,thuscarrying

boththelinerandcylindercover.Italsopasses

tothecoolingboresandtothecover.

A.coolingwaterB.coolingoilC.

refrigerantD.lubricatingoil

77.AclearlyvisiblebenefitofRT-flexenginesistheir

operationatallenginespeeds.Thisis

achievedbythesuperiorcombustionperformance.

A.shocklessB.smokelessC.

novibrationD.noiseless

78.ThekeyfeatureoftheSulzerRT-flexsystemisthatit

givescompletefreedomintheand

operationoffuelinjectionandexhaustvalve

actuation.

A.meteringB.controlC.using

D.timing

79.Thedevelopmentgoalsfbralargemarineengineare

many,ofteninteractandinsomecaseseven

witheachother.

A.conflictB.accordC.

harmonizeD.struggle

80.Thepistoncrownemploystheusualjet-shaker

principlewithanarrangementofcooling

boresinthecrownsothatthesurfacetemperatures

ofthecrownaremoderatewithaveryeven

distribution.

A.watercoolingB.oilcoolingC.air

coolingD.combinedcooling

81.Thescavengingairreceiverisofasimplifiedand

modulardesignwithintegralnon-retumflaps,

hangingcoolerandtwoauxiliaryairblowers.

A.dozensB.parcelsC.

bundlesD.gallons

82.Forauxiliaryenginesthepermissibleoverloadis

foronehoureverytwelvehours.

A.10%B.15%C.20%

D.25%

83.Toppistonringsareplasmacoated.Itgivesadded

safetyfortheofnewliners.

A.running-inB.running-outC.

running-onD.running-down

84.Aroundthecombustionchamber,allthemain

componentsaretogivelowthermalstrains

andthesmallest,circumferentially-symmetric

deformationsforgoodsealingbetweenpistonrings

andliner.

A.drillcooledB.holecooledC.

tubecooledD.borecooled

85.Aroundthecombustionchamber,allthemain

componentsareborecooledtogivelow

strainsandthesmallest,

circumferentially-symmetricdeformationsforgood

sealingbetweenpistonringsandliner.

A.thermalB.mechanicalC.

plasticD.elastic

86.Thetoppistonringisplasmacoatedtogivethe

lowestwearratetoreachthegoaloftwo-years9

withsufficientmargin.

A.TBOB.CEOC.CFO

D.MCRbusy

87.Greatcareisdedicatedtotheremovalof

fromthescavengeair.

A.gravityB.viscosityC.density

D.humidity

88.Theheavy-dutylubricatingoilwithchemical

hasbeenwidelyintroducedinrecentyears.

A.additivesB.behaviorC.coolant

D.desiccant

89.onboardshipareusedtocontroland

distributetheelectricalenergygeneratedby

generators.

A.GovernorsB.AlternatorsC.

BlackboardsD.Switchboards

90.Theseacidresiduesmustbepreventedfromentering

thecrankcase,otherwisethelubeoilwouldbe

A.contaminatedB.emulsifiedC.

deterioratedD.oxidated

91.Mainenginesaswellasauxiliaryenginesoperating

onheavyfuelshouldhavecontinuouson

thelubricatingoil,eitheraccordingtothebypassor

batchprinciples.

A.filteringB.centrifugingC.

depositingD.operating

92.Inengineswithsystem,thelubricatingoil

canbeaddedtotheenginethroughthefillingholein

thecrankcasecover,byusingahandoilcan,or

throughtheseparatorpipe.

A.lubricatingoilB.drysumpC.

circulatedtankD.wetsump

93.Governorsareequippedwithmotorsfbr

synchronizing,loadsharingandfrequencycontrol.

A.speedsettingB.load

settings

C.speedchangingD.load

setting

94.Engines,whicharetoberuninparallel,have

governorsspeciallyadaptedfbrthesame

about4%toobtainbasicloadsharing.

A.speedsettingB.speed

droops

C.speeddropsD.speed

changes

95.Theairrequiredfbrcombustionistakenfromthe

engineroomthroughafilterfittedonthe

turbocharger.Thisreducestheriskfbrtoo

andcontaminationofthecombustionair.

A.hightemperatureB.lowtemperature

C.wetD.dry

96.Theoilsump,alightweldeddesign,ismountedon

theengineblockfrombelowandsealedby

A.O-ringB.gasketC.washer

D.packing

97.Modemcentrifugedesignsenablecontinuous

operationoveraconsiderableperiodoftime.Thisis

achievedbywhichistimedtodischargethe

sludgeatregularintervals.

A.aninjectionprocessB.an

ejecti