Exhaust valve grooving and corrosion is caused by certain components of residual fuel oilThese components are sodium, sulfur, and _____.

Adonkeyboileris_____.

Ingeneral_____issuitablefordeliveringsmallquantifiesathighpressure.

Thepurposeofthelowpressurecut-outswitchisto_____.

Ifananchorwindlasshasbeenidleforsometimeyoushould_____.

Gearpumpsareofpositivedisplacementtypepumpsbecausetheydischargeanearconstant amountofliquid_____pressure.

_____aremoresuitableforlargequantitiesatlowpressure.

Thedeviceusedforlow-pressurecontrolandhigh-pressurecutoutonacompressoris called_____.

_____areusedforcargohandling.

Thecontrolrodofasteeringgearpumpisattachedatitsouterendto_____.

The_____pumpdischargesanearlyconstantamountofliquidregardlessofpressure.

Electricallyoperatedsafetydevicesonauxiliarydieselenginesfunctiontostopthe engineby_____.

Theboilerfeedwatercheckvalvesarelocatedonthe_____.

Whenstartedacompleteoilywaterseparatingunitisfirstfilled_____Theoilywater mixtureisthenpumpedthroughtheinletpipeintothecoarseseparatingcompartment.

Manuallyoperatedbandbrakesmaybefittedand_____willhaveabrakearrangedto fail-safe.

Priortolightingoffacoldautomaticallyfiredauxiliaryboileryonshould_____.

Largepipesordown-comersarefittedbetweenthesteamdrumand_____toensuregood naturalcirculationofwater.

Morethanonestageofevaporationcantakeplacebyadmittingtheseawaterinto chamberswithprogressively_____pressureintheflashevaporator.

_____maybefittedforoperatingthederricktoppingliftthewirewhichadjuststhe derrickheight.

Ifyoumustenteraroomorcompartmenttocombatthefirekeepanescapepath_____.

Inusingreductiongearstoobtainefficientpropellerspeeds_____.

Underrotarypumpsarethegear_____cam-and-pistonandscrewtypes.

Youshouldfrequentlycomparedrum-mountedandremote-readingwaterlevel indicators_____betweenthesehavecontributedtofailuresbecauseofoverheating throughshortageofwaterwhenaboilerwasbeingoil-fired.

Theamountoffluiddeliveredbyacentrifugalpumpcanberegulatedby_____.

WhichofthefollowingshouldberecordedinOilRecordBookPartImachineryspace operation?

Becauseofthereduced_____inthedistillationsystemsomeoftheseawaterboils asitflowsthroughthetubesoftheevaporator.

Ifabilgepumpfailedtobuildupdischargepressureyoushouldcheckfor_____.

Thefreshwatergeneratorproducesfreshwater_____.

Thefurnaceofanoilfiredboilershouldbe_____beforetheoperatingburnerislit.

Oneofthefunctionsofventilationisto_____thehumidityofspacescontainingsources ofmoistureorto_____thetemperatureofspacesnotmechanicallycooledsuchasthe engineroom.

Arefrigerantboilsandvaporizesinthe_____inacompressionrefrigerationsystem.

Ina_____boilerthehotgasesfromthefurnacepassthroughthetubeswhilethewater isontheoutside.

Throttlinginthe_____lineofacentrifugalpumpinvolvestheriskofthepumpcavitation.

_____shouldbetestedandadjustedwhentheboilersurveyiscarriedout.

Theminimumspeedanenginemustattainbeforeignitioncanoccurdependsupon_____.

Formanyyearsmarinecentrifugesweredesignedfor_____operationthatisthemachines wererunforaperiodduringwhichsolidsaccumulatedinthebowlThemachinewasstopped whentheaccumulatedsolidsbegantoimpairitsperformance.

Inasimplemechanicalgovernorthe_____.

Whatisthefunctionofthethrustbearing?

Sedimentcollectsinatubularpurifier_____.

Onallvesselsequippedwithrefrigerationunitsofover20cubicfootcapacity_____.

Hotgasdefrostingusesthehotgasfrom_____todefrosttheevaporator.

Inavacuumdistillationsystemthecaseisthehigherthepressure_____.

Areciprocatingpumpbelongsto_____accordingtoitsworkingprinciple.

Ifadieselengineisdifficulttostartandoperateswiththeenginetemperatureslower thannormalyoushouldsuspectthatthe_____.

Theemergencybilgesuctionorbilgeinjectionvalveisusedtoprevent_____ofthe ship.

Acentrifugalbilgepumprequirespriming_____.

WhichofthefollowingoperationsneedtobeenteredontheOilRecordBookPartI? 1Ballastoffueloiltanks;2Conditionofoildischargemonitoringandcontrol system.

Withreferencetoatworamactuatingmechanismwhichoneofthefollowingstatement isfalse?

Ifoildensityweregreaterthanwater’stheoilseparator_____.

_____playaveryimportantpartinhydraulicsystemsbypreventinginteractionbetween differentpartsofthehydrauliccircuit.

_____areusedtolimitthepressureinanyparticularportionandmainlycontrolthe pressureafterthevalve.

Ifthemainengineofanunattendedengineroomshutsdownautomaticallyitwillbe indicatedbyanalarm_____.

Whichofthefollowingpumpsbelongstocentrifugalpump?

Thehighestpressureinadieselenginecylindernormallyoccurs_____.

Whattypeofvalveisusedtodirecttheflowofhydraulicfluid?

Latentheatchangesthe_____ofwater.

Adieselengineisoperatingwithexcessivelyhighexhausttemperaturesatall cylindersTocorrectthisconditionyoushouldFIRST_____.

_____isthecirculationandrefreshingoftheairinaspacewithoutnecessarilya changeoftemperature.

Thepressureheadofawaterpumpisgivenintheunitof_____.

Accordingtothewaythesteeringgearisoperatedthesteeringgearmaybedivided into:hand-steering_____andautomaticsteering.

Whatisthefunctionofthermostaticexpansionvalveinacompressionrefrigeration system?

Weuse_____todistillfreshwaterfromseawater.

ForoccasionalheavyloadstwocranescanbearrangedtoworktogetherTheoperating _____fordeckcranemotorsmaybehydraulicelectric.

_____connectedtothemovingtillerwillbringthefloatingleverpivotandthelever intolineatrightanglestothescrewshaftaxis.

Whendistillingseawaterthecoolingwaterdischargingfromthedistillerisfedback toevaporatorasfeedwater_____.

Centrifugalpumpshowevercanbedesignedwithanumberofimpellers_____toattain alargeamountofliquid.

Themainsteeringgearmustbeabletosteertheshipatmaximumaheadservicespeed andbecapableatthisspeedandattheshipsdeepestservicedraughtofputtingthe rudderfrom35degreesononesideto30degreesontheothersidewithinno_____.

Theinternalpartofboilershouldbecleanedbyyardiffound_____.

Therefrigeratingagentcan_____atlowtemperatureintheevaporator.

Intheprocessof_____liquidchangesintogas.

Theheatusedtochangealiquidtoavaporiscalled_____.

Inacompressionrefrigerationplanttherefrigerantisunderlowpressureinthe_____ andunderhighpressureinthe_____.

Acentrifugearrangedtoseparateimpuritiesandsmallamountsofwaterfromoilisknown as_____.

Inmotorship_____isoftenusedtorecoversomeoftheheatcarriedintheexhaust gasesfromthemainengine.

Additionalheatextractionfromtheexhaustgasescanbeeffectedbyaddingan_____ sectiontotheunitinplants.

Coalescenceisthebreakdownofsurfacetensionbetweenoildropletsinanoil/water mixturewhichcausesthemtojoinand_____insize.

Anoilwatermonitorisrequiredinordertomeasure_____.

TheexpansionvalveonaFreonsystemcontrolsthe_____.

Afterpassingthroughtheexpansionvalvetherefrigerantshouldbeinthestateof _____.

Themainpurposeofthepistonoilscraperringsisto_____.

Asforahydraulicvanepumpwhichofthefollowingisincontactwiththevanesduring working:1therotor;2thepumpshaft;3theexternalsurfaceofthehousing.

Theamountoffluiddeliveredbyapositivedisplacementpumpcanberegulatedby_____.

Whichofthefollowingpumpswillbuildupaburstingpressureorstalltheirmotors ifthedischargevalvesareclosed?1gear;2centrifugal;3screw.

Theamountoffluiddeliveredbyahelicalpumpcanberegulatedby_____.

Thegearscrewandvanepumpsareallclassifiedas_____.

Intheproductionoffreshwaterfromseawaterthroughaprocessofheatingandcooling thecoolingphaseofproductionisusuallycalled_____.

Thesafetyvalveshouldbe_____inthepresenceofC/EandSurveyor.

_____unitismountedsoastoraiseandlowerthecablefromthespurlingpipewhich isatthetopandcenterofthechainorcablelocker.

Theboilingandcondensationpointsofarefrigerantdependonthe_____exertedupon it.

Astherefrigerantpassesthroughthevalveorificeitspressureisreducedandpart oftherefrigerantturnsinto_____.

Adoublesuctioncentrifugalpumpimpellerhasbeeninstalledinthereversedirection andwill_____.

Thehandsteeringisamethodbywhichthemotionoftherudderiscontrolledwith_____.

Whichofthefollowingmayhardnessoftheboilerwatercause?1scaleformation;2 tubefailure;3corrosion.

Withreferencetorulesgoverningsteeringgearwhichoneofthefollowingrulesis incorrect?.

Itshouldbeensuredthatonly_____vaporishandledbytherefrigerationcompressor.

Propercombustioninaboilerwouldbeindicatedby_____.

Theremainingoil/watermixturenowflowsdownintothefineseparatingcompartment andmovesslowlybetweenthe_____intheTurbuloseparator.

Apumpissaidtohavenegativesuctionheadwhenthepumpislocated_____.

Theinternalpartoftheboileriffound_____hastobechemicallywashedbyyard.

Ahydraulicmotormaybedrivenby_____.

Adazzlingwhiteburnerflameintheboilerfurnaceindicates_____.