8FS10制冷压缩机下层隔板最低处所开的通轴箱的孔道，作用不包括。

Fuelinjectionvalvesshouldbetakenoutcleanedandliftingcheckedevery_____.

ThedistancefromTDCtoBDCofthedieselengineiscalled_____.

Seawaterisnotdirectlyusedasacoolantforenginesbecauseofits_____.

Thehydraulic_____isusedtocontrolenginespeed.

Inordertoensureperfectatomizationthefueloil_____beforeinjection.

The_____orbalancetankcollectsthere-circulatedfueloil.

Engagetheflywheelwiththe_____.

Duringthesuctionstrokethepistonismoving_____.

Modernengines_____exhaustgasdriventurbo-chargerstosupplypressurizedfreshair forscavengingandsupercharging.

Standbyenginemeans_____.

Increasingthetemperatureofafuelwillreduceits_____.

TheabbreviationTDCmeans_____.

Administrationsshouldbearinmindthesignificanceof_____inmaintainingsafetyof lifeandpropertyatseaandinpreventingmarinepollution.

Beforepumpingupthecrankcaseoil_____shouldbeworkedbyhandtominimizecorrosive actionontheliners.

Thedevelopmentof_____haskeptpacewiththeincreasingdemandsmadebythesteady riseinpowerproducedbymodemmarinediesels.

_____theenginesthedieselengineis_____usedengineonboard.

Measure_____bymeansofleadwire.

A-framesaremountedonthebedplateandsupport_____andcylinderblock.

Thecylindercoversandthelinersareboltedtogetherbymeansof_____.

Compressedairissuppliedbyaircompressionto_____.

Thecoolingliquidusedforthecylindermaybereferredtoas_____.

Thecross-headshoesarewhitemetal_____.

Eachcrankismadeupoftwocrankwebsjoinedbyacommon_____towhichthebottom endbearingisfitted.

Agovernorautomaticallycontrolsenginespeedbyregulating_____.

Thecoolingwatertemperature_____overaperiodof8hoursandthenshutdown.

Theenginewillfailtostartunless_____.

Thecrownisfairlythickwiththecylindricalparts_____toathinnersection.

Thecrankshaftisofthesemibuilttypewiththejournal_____theforgedorcaststeel crankthrows.

_____allowsforexpansionandwatermakeupinthewatercoolingsystem.

Smallerenginescanbemademorerigidthanlargeonesandmaynothave_____.

_____isasourceofpowerbywhichthedieselenginemayoperate.

Ifthesump_____weretorisethiswouldindicatewaterleakageintotheoilandan investigationintothecausemustbemade.

Theexternalcircumferenceofapairofmainbearingshellsisslightlylargerthanthat oftheboreofthehousingwhichreceivesthemThedifferenceistermed_____.

Foradieselenginewhenthepistonisatthe_____theclearancevolumeisthelargest.

ThecompleteassemblyofbedplateA-framesandcylinderblockisheldtogetherby_____ toformarigidstructure.

Inatypicalfuelsystemtheoilisstoredin_____inthedoublebottom.

Anumberofcylinderlinersareenclosedinonecastironcasingtoforma_____.

Failureoffuelinjectionisusuallyduetotroubleinthe_____.

Freshwaterisusedforthecoolingofcylinderjacketsand_____ofthemarinediesel engine.

Modemenginesmakeuseofexhaustgasdriventurbo-chargerstosupplypressurizedfresh airfor_____andsupercharging.

Afterpassingthroughtheturbinetheexhaustgasisconductedoutintothe_____.

_____mayhavetwoemergencysourceofpowerthusrequiringtwoemergencyswitchboards.

_____orairventingarrangementisfittedtothefuelsupplypassage.

Aftertheorder_____isgiventheairsystemisshutdowntheturninggearputin.

Engine_____referstotherelativetimeofpositionofcrankatwhicheachoperation duringthecycleiscommencedandiscompleted.

Thehandsteeringisamethodbywhichthemotionoftherudderiscontrolledwith_____.

Itisnecessarytoremove_____fromthecoolingspaces.

Accordingtothewaytheenergyoftheexhaustgasesisutilizedpressure-chargingcan bedividedintotwomainsystemsnamelytheconstant-pressuresystemand_____.

ThedieselenginemustbestartedbeforeitcanrunbyitselfForthispurpose_____has tobeused.

Headtankshouldbeusedtoremove_____fromcoolingwater.

AdieselenginescrankcaseoillevelisfoundtobetoohighYoushouldsuspectthat_____.

Inordertoincreasethewearingresistancethecylinderlinersurfacesaresometimes _____.

Excessiveclearancesinthemainorcrank-pinbearingswillsometimesbeindicatedby _____beforeanybearingknockisheard.

Foranordinarymodemmarinefour-strokeenginetheinletvalvesclose_____.

Thefueloilsystemforadieselenginecanbeconsideredintwoparts--thefuelsupply andthe_____systems.

Achargeoffreshairisdrawnintotheenginecylinderandthen_____bythemoving piston_____veryhighpressure.

Thecleanedheatedoilafterpassingthroughthecentrifugesistobepumpedtoa_____.

A:PleasetellmethespecificationsandquantityB:_____.

Fuelinjectedintoadieselenginescylinderisignitedby_____.

Alltheringsareslightlyroundedontheirexternaltopandbottomedgestokeepthe oilfilmonthecylinderlinerduring_____fornewpistonrings.

Pleasedrawouta0.lmm_____betweenthetwohalvesofthebearingtoreducetheclearance.

Crankshaftsofmediumspeedenginesare_____fromasinglepieceofsteel.

Oilwilllubricatetheseparts_____effectivelythanwater.

Theconnectingrodlargeendbearingshellgenerallyhastagsforlocationandoilgrooves roundthecenterofitsaxiallengthwhichcorrespondwithgroovesinthe_____through whichoilistransmitteduptherodtolubricatethesmallend.

Dieselenginesarestartedbysupplying_____intothecylindersintheappropriate sequencefortherequireddirection.

Keepcompartment_____asthegasgivenoffcanbedangerous.

Bearingknocksarelikelytooccurfrom_____.

Pumpsandfinefiltersarearranged_____withoneasstandby.

Increasedair_____willraisescavengeefficiencyandallowagreatermassofairto becompressed;morefuelmaynowbeburnedgivinganincreasedpower.

Mainbearingsarerequiredtosupportthecrankshaftateach_____.

Emulsionoilsandsodiumnitritearebothapprovedadditivesbut_____cannotbeused ifanypipesaregalvanizedorifsolderedjointsexist.

Inanoilcoolercirculatedbyseawatertheoilisatalargerpressuretheresult beingthatanyleakinthecoolerwillmeanalossof_____.

_____isfullyfloatinginbothconnectingrodsmallendandthepistonskirt.

Thehighpressureinfuelinjectionsystemofthedieselengineisproducedbythe_____.

Leakyexhaustvalvewillresultinwhichofthefollowing?1highexhausttemperature; 2lowcompressionpressure;3lowfiringpressure.

OnceafireisdetectedtheengineshouldbesloweddownOnnoaccount_____.

_____issecuredbymeansofside-chockboltsandend-chockbolts.

Itisnecessaryforus_____afterhavingservedforacertainperiod.

Generallythegudgeonpinisfullyfloatinginbothconnectingrodsmallendand_____.

Coolingofengineisachievedbycirculationacoolingliquidaroundinternalpassages withinthe_____.

Castironcarrierrings_____machinedgroovesareprovidedforallthepistons.

InthesentenceInsomedesignsthecylinderoilistimedsothattheoilinjectsonly onthepistonringbelt.thepistonringbeltmeans_____.

If_____aretakenatregularintervalsanyunequaldistributionofloadwillbeeasily foundout.

Eachcylinderisclosedatthetopbya_____madeofaspecialheat-resistantsteel.

Cracksinthecylindersandcylindercoversmay_____unequalheating.

Beforestartingtheenginetheairbottleshouldbe_____.

Thecylinderlinersaremadeof_____andthecylindersurfacesaresometimes chromium-plated.

Inafour-strokeenginesthecamshaftrotatesat_____.

Ingeneral_____issuitablefordeliveringsmallquantitiesathighpressure.

Thecrank-roomcovershouldnotbeopeneduntilatleast_____minutesaftertheengine stops.

Theenginemaylosepowerorslowdownduringrunningwhenthisoccursthefirstcause possiblemaybehotbearingsand_____ofthepistonsinthecylinders.

Itisveryimportantthateachcylindershouldbe_____scavengedbeforethecharged airiscompressed.

Anelectricallydrivenautomaticallyoperatingauxiliaryblowerisprovidedforslow speedand_____ofalowspeeddieselengine.

Thecompressedairissuppliedby_____totheairreservoirs.

Fuelpumpindexis_____.

Thecylinderheadcylinderlinerand_____formthecombustionchamber.

Sincetheburningorcombustiontakesplacewithintheengineitselftheengineisknown as_____.

Thegovernorofageneratorengineisto_____.

Thedesignof_____issimilartothatofthemainbearing.

Onafour-strokedieselenginewhenthepistonisdrivendownwardsbytheexpanding gasitdeliverspowertothecrankshaftthroughthe_____.