中远四级笔试.docx
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中远四级笔试.docx
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中远四级笔试
轮机4级笔试试题
A单项选择
1.Thepoorqualityofthefuelhas_______withthebreakdownoftheengine,I'mafraid.
A.muchtodoB.manytodoC.muchofdoingD.manyofdoing
2.Itissuchamodernship_______theengineersandmotormendon'thavetostayintheengineroomallthetime.
A.asB.thatC.sothatD.inorderthat
3.I'mnotgoodatEnglishandIcan'treadtheinstructionbookforthemainengine_______thehelpofthedictionary.
A.notwithB.withoutC.noD.havingnot
4.Thisplasticpipeis_______thatofthesteelpipe.
A.twometerslongasB.twometerslongeras
C.twometerslongerthanD.twometersaslongas
5.Thefuelinjectionsystemisveryimportant,soanytroubleofitwill_______theoperationofthemainengine.
A.affectB.effectC.beaffectedD.beeffected
6.Youcanneverstarttheengine_______youhavefoundandremovedthetrouble.
A.sinceB.afterC.untilD.inorderthat
7.Thisbrandofswitchcosts_______thatbrand.
A.twiceasmuchasB.astwicemuchas
C.twicethanD.morethantwiceas
1.A.
2.B.
3.B.
4.C.
5.A.
6.C.
7.A.
8.C.
9.A.
10.B.
11.A.
12.C.
13.A.
14.C.
15.D.
16.A.
17.A.
18.D.
19.B.
20.A.
8.You'dbetterexaminetheoiltemperaturenow,_______?
A.didn'tyouB.wouldn'tyouC.hadn'tyouD.shouldn'tyou
9.Thechiefengineer_______onboardtheshipforfiveyearsbytheendofthisyear.
A.willhaveworkedB.hasworkedC.willbeworkingD.willhavebeenworking
10.Whenwearrivedhereyesterday,theirship_______forthreedays.
A.hadleftB.hadbeenawayC.haslefttheportD.hassailed
11.We'llsendthemachinetotheworkshopandhaveit_______.
A.repairedB.repairingC.berepairedD.beingrepaired
12.Thismachine_______outoforderveryoften,butnowitworkswell.
A.wasusedtobeB.wasusedbeC.usedtobeD.usedbe
13.Thewatercoolingsystemisgenerally_______pipes,pumps,valvesandsomeotherdevices.
A.madeupofB.makingupofC.madeupD.makingup
14.Whenthechiefengineercameintotheengineroom,theworkers_______thefreshwatergenerator.
A.aredisassemblingB.havedisassembled
C.weredisassemblingD.disassembled
15.There'sacrackinthewaterpipeandwe'regoingtorepairit_______welding.
A.inthewayof关于..方面B.withthemethodof
C.throughD.bymeansof
16.In_______anucleardrivingsystem,itsefficiencyismuchhigher.
A.thecaseofB.caseofC.thecaseD.case
17._______youalwayspayenoughattentiontothelubricationoftheenginewilldecideitsworkingcondition.
A.WhetherornotB.IfornotC.WhichD.How
18._______hedidisveryimportanttothesafetyoftheship.Weshouldhelphim,Ithink.
A.WhatthatB.AllwhichC.ThatD.All
19.Whenwesaythetwoobjectshaverelativemotion,wemean_______.
A.thedistancebetweenthemremainsthesame
B.thedistancebetweenthemischanging
C.thepositionsofeitherofthemtotheearthremainthesame
D.theirpositionstotheearthremainthesame
20.Intheprocessofseparation,_______.
A.watercontentshouldberemovedfirst
B.solidimpuritiesshouldberemovedfirst
C.bothwaterandsolidimpuritiesshouldberemovedtogether
D.eitherofthemcanberemovedfirst
21.Ofthefollowingpumps,_______worksbymeansofchangingthechambervolume.
A.centrifugalpumpB.ejectorpump
21.C.
22.C.
23.B.
24.B.
25.B.
26.C.
27.B.
28.C.
29.B.
30.A.
31.A.
32.A.
33.C.
34.C.
35.A.
36.A.
37.C.
38.C.
39.D.
40.D.
C.reciprocatingpumpD.axialflowpump
22.Therearemanywaystoseparatewaterfromoil,but_______ishardlyusedforthispurpose.
A.settlingB.centrifugeC.filteringD.heating
23.Amongthefourpartsofthemechanicalrefrigeratingsystem,_______performsthecoolingfunction.
A.theexpansiondeviceB.theevaporator
C.thecompressorD.thecondenser
24.Eachlifeboatshouldbeloweredontowateratleast_______.
A.halfamonthB.everythreemonthsC.halfayearD.everymonth
25.Inafourstrokedieselengine,thecyclerequiresfourseparatestrokesof_______.
A.thecrankshaftB.thepistonC.thecylinderD.theconnectingrod
26._______suckstheoilfromthetanksanddeliversitthroughfiltersandoilcoolerstothebearings.
A.ThecoolingwaterpumpB.Thefueloilpump
C.ThelubricatingoilpumpD.Thedieseloilpump
27.Wearetoldthatsomesparepartsaredifferentfromthe______indicatedontheorderlist.Pleasereturnthemandsendthecorrectonestousassoonaspossible.
A.informationB.specificationsC.classificationD.installation
28.Thecrankshaftdeflectionisatfirsttobe_______beforeandafterrepair.
A.takenB.renewedC.measuredD.regulated
29.Aboiler_______toheatfeedwaterinordertoproducesteam.
A.beingusedB.isusedC.willuseD.using
30.Athrustbearingofthetiltingpadtypeisfitted_______thedriveshaft.
A.onB.toC.in
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