2015《轮机英语》试题(二、三管轮)

《轮机英语》考试复习题(二、三管轮)第一章船舶动力装置1.“Beforedisconnectingtheoilpipe,wouldyouflushtheoilretainedinthepipe?”askedtheoilbargeowner.A．byusingoffreshwaterB．withcompressedair√C．byusingofseawaterD．withchemicalcompound2.“Standbyanengine”means_____.A．“preparetostoptheengine”B．“assembleanengineonitsbedplate”C．“makeanenginereadyforstarting”√D．“dismantleanengine”3.A_____isthefoundationoftheengine,withoutthesupportofwhichtheshaftalignmentinparticular,andenginestructureasawhole,wouldinevitablybelost.A．FrameB．Bedplate√C．CylinderD．Liner4._____arecommonlyusedinmechanical-hydraulicgovernortosenseenginespeeds.A．BulbsB．BulksC．Flyweights√D．Flywheels5._____aregenerallyformedintheframeofthebothin-lineandVeeenginestogivemaintenanceaccesstothecrankshaftmainandconnectingrodlargeendbearing.A．Doors√B．AspirategauzerC．CouplingD．Blind6._____deviceisprovidedtopreventstartingairfrombeingadmittedtothecylinderbeforethereversingiscompleted.A．Anautomatic√B．AtransmissionC．Aself-regulatingD．Aninterlocking7._____fueloils_____lubricatingoilsrequiretreatmentbeforepassingtotheengine.A．Both/and√B．Neither/norC．Either/orD．Both/or8._____issometimesusedforpistoncoolingsinceleaksintothecrankcasewouldnotcauseproblems.A．DieseloilB．HydraulicoilC．Lubeoil√D．Mineraloil9._____istheremovalofexhaustgasesbyblowinginfreshair.A．GasexchangeB．ChargingC．Scavenging√D．Supercharging10._____isusedforcylinderandcylinderhead,thesaltwaterisusedforcoolingthelubricatingoil,thefreshwaterinthecoolersandthechargingairintheaircooler.A．ThefueloilB．ThelubeoilC．TheseawaterD．Thefreshwater√11._____maybethefirstpossiblecausewhichmakestheenginetolosepowerorslowdownwhenitisrunning.A．Hotbearing√B．StartingvalvesC．UnequaldistributionofloadD．Excessivecrankshaftclearance12._____ofanenginecrankshaftcanbedetectedbymeasuringdeflectionsofcrankwebsforeachunitoftheengine.A．Misalignment√B．LengthC．StrengthD．Stresses13._____oftheA-framesthereisastrongcastironframecalledthescavengingairbox.A．Atthetop√B．AtthebottomC．InthetopD．Inthebottom14._____pistonshavelowinertiaandhighcoefficientofthermalexpansion.A．CastironB．CaststeelC．ForgedsteelD．Aluminum√15._____shouldnotundertakeanytaskwhichwillinterferewiththesupervisiondutiesrelatingtothemainmachineryandassociatedequipment.A．Thewatchkeepingpersonnel√B．ThechiefengineerC．ThepersononabunkerbargeD．Anyoftheabove16._____thecylinderwillcontainagreatweightofairandwillbecapableofburningagreatquantityoffuel.A．Atthebeginningofthecompressionstroke√B．AtthebeginningofthesuctionstrokeC．AttheendoftheworkingstrokeD．Attheendoftheexhauststroke17._____thesuperchargepressureis,_____poweranenginedevelops.A．Thehigher/themore√B．Higher/moreC．Higher/littleD．Thehigher/theless18._____isnotproperlysetthuscausingeitheradvancedorretardedfiring.A．ApistonB．Afuelinjectionpump√C．AfeedwaterpumpD．Alubeoilpump19._____rodsarenotinproperconditionsothattoomuchfuelissuppliedtothecorrespondingcylinder.A．PistonB．SoundingC．Regulating√D．Connecting20._____shows1.2meterandthespecificgravityoftheoilis0.96Accordingtothemeasuringscale,thatmakes150tons.A．ThepistonrodB．ThepushrodC．Thesoundingrod√D．Theconnectingrod21._____allowsforexpansionandwatermakeupinthewatercoolingsystem.A．AtoptankB．Aheadtank√C．AheadvalveD．Adraintank22._____attheendofthedistributionpipeensuresthatadequatepressureismaintainedbythepump.A．AreliefvalveB．Analarm√C．ApressuregaugeD．Anon-maimvalve23._____isusedforwashinganddrinking.A．TheballastsystemB．ThesaltwatersystemC．ThebilgesystemD．Thedomesticsystem√24._____providethewatertothepistons.A．PneumaticpipesB．HydraulicpipesC．Telescopicpipes√D．Operatinggaspipes25._____arefittedintheexhaustsystemandfacilitatechargeremovalandscavengingineachcylinder.A．Diffusers√B．CompressorsC．SteamboilersD．Sootblowers26._____areformedbyabrasiveparticlesenteringthebearingandscoringtheshaft.A．Grooves√B．RecessesC．RidgesD．Nips27._____aremountedonandboltedtothebed-platecrossgirders.A．ThecrankshaftB．ThecrankcaseC．Theguide-waysD．Theframes√28._____isaprecautionwhichcontributestoavoidingtroubleundernormaloperatingconditions.A．Constantinspection√B．KeepingconstantloadC．RemainingconstanttemperatureD．varyingspeed29._____isasourceofpowerbywhichthedieselenginemayoperate.A．WaterenergyB．ElectricalenergyC．ChemicalenergyD．Heatenergy√30._____isarrangedforcleaningthelubricatingoilinthesystemandcleanoilcanbeprovidedfromastoragetank.A．AfilterB．Acentrifuge√C．AdistillerD．Agenerator31._____isfullyfloatinginbothconnectingrodsmallendandthepistonskirt.A．ThepistonrodB．ThecrossheadpinC．Thegudgeonpin√D．Thecrank-pin32._____ismadeofabosswithseparatedbladesmountedintoit.A．Avariablepitchpropeller√B．AvariablepitchnutC．AfixedpitchparallelD．Afixedpitchscrew33._____isusuallydrivenbytheenginecamshaftandsuppliespilotairtothecylinderairstartvalve.A．AnairreceiverB．AnoperatingvalveC．AnautomaticvalveD．Anairdistributor√34._____neutralizestheacidconditionsand_____cleansestheringsandgrooves.A．Thedetergency/thealkalinityB．Thealkalinity/thedetergency√C．Theinhabitant/thewaterD．Theadditives/thedistilledwater35._____orairventingarrangementisfittedtothefuelsupplypassage.A．AnairpumpB．