The oil index of main engine should be controlled to prevent it from in heavy weather.

Whichofthelistedbearingtypesisanexampleofasolidbearing?

Inasingleactingfour-stroke/cycledieselenginethepowerimpulseinanindividual cylinderoccurs________.

Whenadieselengineisoperateatpartialloadascomparedtofullloadadecrease willoccurintheaverage_______.

WhichofthelisteddesignfeaturesisfoundinanexhaustvalveandNOTinanintake valve?

Inadieselengineexhaustvalvesopenbeforetheintakeportsareuncoveredto_______ ⅠreducepumpinglossesⅡreducebackpressure

Howdosewaterenterthecrankcaseofadieselengine?

Lowcylindercompressionpressureandahighexhausttemperaturemayindicate________.

Todeterminethemainbearingclearanceofapropulsiondieselengineyoushould measurethemainbearingshellusingaballanviloutsidemicrometerandmeasurethe crankshaftjournalusinga/an________.

Dieselengineelectricstartingmotorsgenerallyrequireheavierdutymotorsandmotors andoperateathighervoltagesthancomparablestartingmotorsforgasolineenginesdue to_____________.

Coldweatherstartingofadieselengineismoredifficultthanwarmweatherstarting dueto_____.

Whichofthefollowingstatementsiscorrectregardingaturbochargedfour-stroke/cycle dieselgenerator?.

Exhaustgaspyrometersareusefulfor_______.

Whencomparingdifferentfuelsfordifferentenginestheignitionqualityofdiesel fueloilsbecomesalesscriticalconsiderationas______________.

Problemswiththedieselenginefuelinjectionpumpareusuallycausedby_____.

Cloggeddieselenginefueloilfilterscancause＿.

Oneadvantageofdrycylinderlinersusedinadieselengineisthe_________.

Insufficientendclearanceonnewlyfittedpistonringsinadieselenginewillcause theringsto＿.

Injectionlaginadieselenginemaybecausedby_______.

Whichofthelistedsetofconditionsindicatesearlyfuelinjectiontiming?

Whichofthelistedconditionscanbeusedtodetermineiflubeoilhasbeendiluted byfuel?.

Whenfuelentersthecrankcaseofadieselengineit________.

Ifthejacketwatertemperaturerisesrapidlyabovenormalinadieselengineyoushould FIRST___________.

Crackingofadieselpistoncrowncanresultfrom_______________.

Anacceptablemethodofmeasuringforthecorrectrotationalforceappliedtothe connectingrodandmainbearingboltsistousea__________.

Whatisthefunctionoftheafter-coolerinstalledinthedieselengineairintakes system?

Anincreaseinthefuelinjectionpumpdischargepressurecanbecausedbya/an_______.

Ifthepistongroovedrainholesfortheoilcontrolringsbecomecloggedwhichof thefollowingislikelytooccur?

Alargetwo-stroke/cycledirectreversingdieselengineistobereversedPriortothe admissionofstartingairyoumust________.

Visualinspectionofchrome-platedpistoncompressionringsrevealsablackringface atthepositionofthecylinderlinerportsThisconditionindicatesaringwhich.

Inafour-strokecycledieselenginetheintakevalvesopen___________.

Airinthefuellinestothefuelinjectionnozzlesofadieselenginewillcausethe engineto______.

Fueloilisregularlytransferredtothedaytankinorderto_______.

Ifyoususpectadieselengineismisfiringduetoairleakageintothefuelsystem youshouldbeginlookingfortheleakatthe__________.

Smallcrackinthecrankshaftbearingsurfaceofadieselengineareanindicationof____.

Theinsertionofshimsbetweenthefootofamarinetypeconnectingrodandabearing boxwouldresultin__________.

Followingthefailureofoneturbochargeronalargecrossheadmainpropulsiondiesel enginefittedwithmultipleturbochargerswhichofthefollowingactionsshouldbe takenpriortofurtheroperationoftheengine?.

Aturbochargeddieselenginewillhaveanintakemanifoldpressure____________.

Inalargelow-speeddieselenginetheclearancebetweenthepistoncrownandcylinder headisfoundtobeexcessiveInordertocorrectforthisyoushould_________.

Ifsludgeaccumulatesontheundersideofadieselenginepistonitwill＿.

Inthecylinderofadieselenginefuelisignitedbythe________.

Inaturbochargedfour-stroke/cycledieselenginetheexhaustvalveremainsopenuntil aftertopdeadcenterandtheintakevalveopensbeforetopdeadcenterto_______.

Dieselenginepistonseizurecanbecausedby______________.

Inordertostrengthenmaritimesecurityandpreventandsuppressactsofterrorism againstshippinganewcomprehensivesecurityregimeforinternationalshippingwas settoenterintoforceinJuly2004Thenewregimeis.

Whilemaneuveringyoudiscoverheavysmokecomingfromtheturbochargercasingyou should__________.

Dieselenginestartingdifficultiesduetocoldintakeairtemperaturescanbeovercome byusinga/an＿.

Whichofthefollowingconditionislikelytodevelopifthethermocoupleelementof apyrometerbecomescoatedwithexcessiveamountsofcombustionby-products?

Thepurposeofanafter-cooleristo_____.

Therelativeairpressureintheinletmanifoldofaturbochargeddieselengineis usually________.

Whichofthefollowingproceduresshouldbecarriedouttopermittheuseofacrosshead enginewithaninoperableafter-cooler?

Airinthefuelcancause____________.

Foradieselengineindividualcylinderperformanceiscommonlydeterminedbyexhaust gas_____________.

Whichofthedieselenginecylinderlinerslistedhasinternalcoolingwaterpassages?

Whichofthedieselenginecomponentslistedincreaseairdensityandhelpstoimprove engineoperatingefficiency?

Airscavengingofadieselenginecylinder__________.

Whichofthefollowingstatementsistrueconcerningthecetanenumberofdieselfuel?

Criticalspeedsoccurringwithintheoperatingspeedrangeofamainpropulsiondiesel enginemaybechangedorhavetheirdamagingeffectsreducedbya/an__________.

AdieselgeneratorhasjustbeenparalleledwithanACturbo-generatorbuttheload cannotbeproperlydivided.Thiscouldbecausedby____________

Thebreaking-upoffuelasitentersadieselenginecylinderisknownas______.

Adieselengineissuperchargedinorderto__________.

Whichofthefollowingconditionsmaybeattributedtoafouledturbochargercompressor inletscreenorfilter?.

Adieselengineshouldnotbeoperatedatlowloadsforlongperiodsoftimebecause_____

Burningfuelwithahighsulfurcontentinadieselenginewill＿.

Theignitionqualityofadieselfueloilisindicatedbythe________.

Dieselengine‘blow-by’intothecrankcaseiscausedbyexcessivering______.

Dieselengineinjectionlagiscausedby_________.

Whichofthefollowingbeneficialresultscanbeexpectedfromsupercharginga previouslynaturallyaspiratedengine?

Thefunctionoftheafter-coolerinstalledbetweentheturbochargerandintakemanifold onsomedieselengineisto_________.

Whichofthefollowingstatementsrepresentsthereasonforrollingoveradieselengine withthecylinderindicatorcocksopenprior?

Wheninstallingringsonadieselenginepistonyoushouldcheckthering＿.

Undernormalconditionsthemainsourceofcrankcaseoilcontaminationisattributed to______________.

Permittingadieselenginefueloildaytanktorundrycancause_______.

Oneoftheadvantagesintheuseofadrylineroverawetlineris________.

Excessivelywornorpolishedendsonadieselenginevalvespringindicate______.

Whenfuelisinjectedlateintoadieselenginecylinder______.

Airinthefuellinesofadieselenginecancause__________.

Sludgeformationinadieselenginelubeoilsystemiscausedby________.

Ifadieselenginerunsoutoffuelyoucanexpecttroublefrom__________.

After-coolingofaturbochargeddieselenginewillresultin________.

Adry-typeexhaustmufflercloggedwithsootwillcause_________.

Whichofthefollowingconditionswouldcausecarbondepositstoforminthepiston ringbeltofadieselengine?

Latefueloilinjectioninadieselenginecanresultin___.

Improperlyfittedpistonringsinadieselenginecancause______.

Metalparticlesaccumulatedfromthewearingofcomponentsinadieselenginecanresult fromlubeoilthathasbeencontaminatedwith_________.

Theexhaustsystemforaturbochargedtwo-stroke/cycledieselenginefunctions to_______.

Adieselenginepistoncrowncancrackfrom__________.

Whichofthetermslistedbelowrepresentstheoperationalspeedatwhichexcessive enginevibrationiscreated?

Exhaustvalveopeningsinadieselenginecylinderheadaremadeaslargeaspractical to__________________.

Comparedtoanaturallyaspirateddieselengineasuperchargeddieselengine has_________.

Ifacrankcaseexplosionhasoccurredinadieselengineandthecrankcaseremains intactwhichoffollowingprecautionsshouldbeobserved?

Thetimingofdieselengineairstartingvalvesiscontrolledby__________.

Ifthedieselenginefuelinjectiontimingischangedtodelaythestartofinjection untilthepistonsareattopdeadcentertheenginewill_________.

Latefuelinjectiontimingisindicatedby_________.

Apyrometerisaninstrumentusedtomeasurethetemperatureofthediesel engine_____________.

Whyaresomedieselenginecylinderlinersplatedonthewearingsurfacewithporous chromium?

Adropincompressionpressureinonecylinderofadieselenginecanbecausedby_______.

Ifthebackclearanceofapistonringisexcessive.

Theexhaustsystemforaturbochargeddieselenginefunctionsto______.

Wornmainbearingwillcausethecompressionratioofanauxiliarydieselengine to______.

Whichofthelistedpre-startproceduresshouldbecarriedoutpriortostartinga crossheadtypedieselengineafteranoverhaul?

Indieselengineeringpracticethetermusedtoexpresstheignitionqualityofa particularfuelis＿.