《轮机英语》试题二三管轮修改

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1、《轮机英语》考试复习题(二、三管轮)616第一章船舶动力装置1.“Beforedisconnectingtheoilpipe,wouldyouflushtheoilretainedinthepipe?”askedtheoilbargeowner.A．byusingoffreshwaterB．withcompressedairC．byusingofseawaterD．withchemicalcompound2.“Standbyanengine”means_____.A．“preparetostoptheengine”B．“assembleanengineonitsb

2、edplate”C．“makeanenginereadyforstarting”D．“dismantleanengine”3.A_____isthefoundationoftheengine,withoutthesupportofwhichtheshaftalignmentinparticular,andenginestructureasawhole,wouldinevitablybelost.A．FrameB．BedplateC．CylinderD．Liner4._____arecommonlyusedinmechanical-hydraulicgovernor

3、tosenseenginespeeds.A．BulbsB．BulksC．FlyweightsD．Flywheels5._____aregenerallyformedintheframeofthebothin-lineandVeeenginestogivemaintenanceaccesstothecrankshaftmainandconnectingrodlargeendbearing.A．DoorsB．AspirategauzerC．CouplingD．Blind6._____deviceisprovidedtopreventstartingairfrombei

4、ngadmittedtothecylinderbeforethereversingiscompleted.A．AnautomaticB．AtransmissionC．Aself-regulatingD．Aninterlocking7._____fueloils_____lubricatingoilsrequiretreatmentbeforepassingtotheengine.A．Both/andB．Neither/nor616C．Either/orD．Both/or1._____issometimesusedforpistoncoolingsinceleaks

5、intothecrankcasewouldnotcauseproblems.A．DieseloilB．HydraulicoilC．LubeoilD．Mineraloil2._____istheremovalofexhaustgasesbyblowinginfreshair.A．GasexchangeB．ChargingC．ScavengingD．Supercharging3._____isusedforcylinderandcylinderhead,thesaltwaterisusedforcoolingthelubricatingoil,thefreshwate

6、rinthecoolersandthechargingairintheaircooler.A．ThefueloilB．ThelubeoilC．TheseawaterD．Thefreshwater4._____maybethefirstpossiblecausewhichmakestheenginetolosepowerorslowdownwhenitisrunning.A．HotbearingB．StartingvalvesC．UnequaldistributionofloadD．Excessivecrankshaftclearance5._____ofaneng

7、inecrankshaftcanbedetectedbymeasuringdeflectionsofcrankwebsforeachunitoftheengine.A．MisalignmentB．LengthC．StrengthD．Stresses6._____oftheA-framesthereisastrongcastironframecalledthescavengingairbox.A．AtthetopB．AtthebottomC．InthetopD．Inthebottom7._____pistonshavelowinertiaandhighcoeffic

8、iento