轮机英语8套(1)

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1、1.Theofficerinchargeoftheengineerigwatchshallensurethatatalltimesbridgeordersrelatingtochangesin___ofoperationareimmediatelyimplemented.A.foreandaftB.aheadorasternC.speedordirectionD.upordown2.Smalloilspillsondeckcanbepreventedfromcontaminatinganywatersby

2、____.A.pluggingallscuppersanddrainsB.thoroughlydrainingallbunkeringhosesC.regularlyemptyingalldrippansD.placingfloatingboomsaroundtheship3.Themainpurposeofwarmingupthemainengineis____.A.toreduceheatstressB.toreducelowtemperturecorrosionC.toimprovefiringan

3、dstartingperformanceD.forfuelsaving4.Inordertoreducethechanceofdetentionsshipsshouldroutinelyverifythefollowingexceptfor____.A.fandamperoperationissmoothandoperatesthroughthefullrangeofopentoclose.B.fandamperlockingpinsarefreetoberemovedwithoutsignificant

4、effort.C.fandamperoperatinghandlesarefreetomovewithoutsignificanteffort.D.fandamperareproperlycoatedwithwhitepaint.5.Thepurposeofthe____inavapourcompressioncycleistoacceptthehot,high-pressuregasfromthecompressorandcoolittoremovefirstthesuperheatandthenthe

5、latentheat.A.expansionvalveB.conderserC.compressorD.evaporator6.TheenergyconsumedbyanACmotor,asstrictlyreacitivepower,is____.A.usedtodomechanicalworkB.lostindoingworktoturnthemotoritselfC.usedtoestablishthemagneticfiedlofthemotorD.lostasheatgeneratedbyth

6、ewindings.7.Adiesleenginewilllosepoweriffuelinjectionoccurstooearlybecausethe________.A.fuelwillnotbeproperlyatomizedinthecylinderB.maximumfuelexpansionwilloccuronthecompressionstrokeC.ignitionwillbedelayedduetolowignitiontemperatureD.fuelwillignitebefore

7、topdeadcenter8.Thedesigned___is20tonsperday,butthefreshwatergeneratorcanonlydistill15tonsatpresent.A.powerB.capacityC.displacementD.weight9.Thedepthoftheshipbelowthewaterlinemesuredverticallytothelowestpartofthehulliscalled____.A.tonnageB.trimC.draftD.lea

8、n10.Thehydraulicsystemofadeckwinchhasbeendrained,flushed,andrefilledwith12/12hydraulicfluid.Anerraticknockingnoisefromthehaydraulicmotorwhenthewinchisstartedwouldindicate___.A.cloggedsuctionlinefluidfiltersB.airtrap