轮机英语听力与会话三版PARTⅡ问答题答案.docx

轮机英语听力与会话三版PARTⅡ问答题答案.docx

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轮机英语听力与会话三版PARTⅡ问答题答案

PARTⅡ英语评估问答题参考答案

第一章公共用语

1.Howlonghaveyouworkedonboard?

Ihaveworkedonboardfor7years.

2.Whichcertificatedoyouhavenow?

NowIhaveamotorman’scertificate.

3.Whatisyourmaritalstatus?

Howmanydepartmentsarethereonboard?

I’mmarried/single.Therearethree.

4.Howmanypeoplearethereinyourfamily?

Areyoumarried?

Thereare3.Yes,I’mmarried/No,I’msingle.

5.Howmanycountrieshaveyoueverbeento?

2countries.

6.Whendidyoubegintoworkonboard?

Whatkindofshiphaveyouworkedon?

Ibegantoworkin2003.Ihaveworkedonbulkcarriers.

7.Howmanyimportantcanals（运河）arethereallovertheworld?

Therearetwo.TheyarePanamaCanalandSuezCanal.

8.Canyoutellmewhatisthemostimportantthingforaseafarer?

Yes.Themostimportantthingissafety.

9.Whatkindsofmainengineandgeneratorenginehaveyouworkedon?

MainengineisB&W/2-stroke/lowspeedandgeneratorengineisSulzer/4-stroke/mediumspeed.

10.Whichclassificationsociety（船级社）isyourshipregisteredwith?

CCS.

11.Haveyouworkedanyshipthatcauseddamageincriticalequipment?

No,Ihaven't.

12.Howdoyoumakeyourmaintenanceschedules（时间表）?

AccordingtoPMS.（维修保养计划）

13.Couldyoulistinternationalconventionsconcerningmarineshipping?

Yes.SOLAS,STCW,MARPOL,andsoon.

14.CouldyoutelltheusagesoftheSTCWconvention?

Yes.Itisusedinseafarers’training,certificationandwatchkeeping.

15.WhatisthepurposeofClassificationSociety?

Couldyoulistsomeofthem?

Tocarryoutsurveysistoensuresafety.SomeareCCS,LR,BVandABS.

16.Couldyoulistdifferentkindsofship’ssurveys?

Yes.Annualsurvey,intermediatesurvey,andspecialsurvey.

17.WhatdoesUMSstandfor?

HaveyouservedUMS?

Unattendedmachineryspace.No,Ihaven’t.

18.HaveyoueverexperiencedPSCinspection?

Whereandwhenwasyourlastinspection?

Yes,thelastinspectionwasinSingaporein2009.

19.Whatshouldbepaidattentiontointheoverhaulofacylinder?

Payattentiontothesafetyandthespecialtools.

20.Beforeenteringanenclosedspacesuchasballasttank,whatactionwillyoutake?

Iwillventthespaceandchecktheoxygencontent.

21.Pleasetellmetheminimumsafeoxygenpercentageforthesafetyoftheworkersinanenclosedspace.

Morethan18percentandnomorethan23percent.

第二章机舱日常业务

1.Pleaseintroduceonetypeofthemainengine.

Slowspeedtwo-strokemarinedieselengine.

2.Pleaseintroducefuelinjectionprocessofelectronicallycontrolledmainengine.

Thefueloilispumpedinto“commonrail”theninjectedintothecylinderbyanelectroniccontrolunit.

3.Pleaseintroducedualfueltechnology（双燃料技术）ofmainengine.

ItcanburnfueloilandCargoNaturalGas.

4.Whyisthetwo-strokeenginewidelyusedonboardship?

Becauseatwo-strokeenginecanproducemorepowerthanafour-strokeengineofthesamesize.

5.Whyistheairexchangingqualityoffour-strokeenginemorethanoftwo-strokeengine?

Becausethetimeforairexchangingofthefour-strokeengineislonger.

6.Pleaseintroducethreemovingpartsofmarinemainengine.

Piston,connectingrodandcrankshaft.

7.What’sthesequence（次序）ofthefourstrokes?

Suction,compression,expansionandexhaust

8.Pleaseintroducefourfixingpartsofmarinemainengine.

Bedplate,frame,cylinderblockandcylindercover

9.Whatiscalledaworkingcycleofdieselengine?

Theoperationbetweentwoinjectionsiscalledaworkingcycle.

10.Whatisthefoundation（基础）ofdieselengine?

Thebedplate.

11.Whatarethefunctionandfeature（特性）ofthetierods?

Tosecurethebedplate,framesandcylinderblockstogether.Thefeatureislongandgoodtensioningstrength.

12.Whatisthefunctionofthegovernor?

Toregulatethespeedoftheengine.

13.Whatisthefeatureofthegovernor?

Toensuretheremoteandautomaticcontrol.保证遥控和自动控制

14.Whatisusedforconnectingthepistonrodandconnectingrod?

Thecrosshead.

15Whatisusedforsealingbetweenthecrankcaseandscavengingairbox?

Thestuffingbox.

16.Whatarethetwotypesofthecoolingsystem?

Freshwater/closedcoolingsystemandseawater/opencoolingsystem.

17.What’sthefunctionoftheheadtankinthecoolingwatersystem?

Toreleaseair,allowwaterexpansionandmake-up.

18.Pleaseintroducetheopencoolingsystem.

Theopencoolingsystemistheseawatercoolingsystem.Thereissomecorrosioninit./Intheopencoolingsystem,seawaterisdrawnfromtheseatopassthroughtheindividualcoolers,andthendischargedoverboard.

19.Pleaseintroducetheclosedcoolingsystem.

Theclosedcoolingsystemisthefreshwatercoolingsystem.Thereislittlecorrosioninit.

20.Pleaseintroducethecentralcoolingsystem.

Ithastwoseparatefreshwatercirculationsystems:

thehightemperaturesystemforcoolingthemainengine;thelowtemperaturesystemforcoolinghightemperaturefreshwaterandvariouscoolers./Thereisalargecentralcoolercirculatedbyseawater.Afterpassingthroughthecooler,freshwateriscirculatedthroughtheengineandtheindividualcoolers.

21.What’stheadvantageofthecentralcoolingwatersystem?

Withlessequipmentincontactwithsea-water,thecorrosionproblemsaremuchreducedinthecentralcoolingsystem.

22.Howtocontrolfueloilviscosityofmainengine?

Byregulatingthetemperatureoffueloil.

23.Pleaseintroducetwosub-systems（子系统）ofthefueloilsystem.

Thefuelsupplysystemandthefuelinjectionsystem.

24.Pleaseexplainoutthefunctionofthefueloilviscosityregulator.

Tocontroloilviscosity.

25.Howdoesthefueloilviscosityregulatorwork?

Toregulatethetemperatureoffueloilbycontrollingthesteam.

26.Pleasetellatleastthreecompositions（成分）offueloil.

Carbon,hydrogen,sulphur.

27.Pleasenameatleastthreeofthemainfactorstoselectafueloil.

Thecetanenumber,viscosity,watercontentandsoon.

28.Whatistheusualcoolantinmarinedieselengine?

Theyarefreshwater,seawaterandlubeoil.

29.Whyseawaterisnotuseddirectlyasacoolantindieselengine?

Becauseofitscorrosiveaction.

30.What’stheadvantageofoil-coolingpiston?

Anyleakageintocrankcasewouldnotcausecorrosiveproblem.

31.What’sthedisadvantageofwater-coolingpiston?

Thereisariskofwaterleakingintothelubeoilsystem.

32.What’sthefunctionofthelubricatingoilinmainengine?

Reducingfriction,coolingandcleaning.

33.Howdoyoucleanthelubeoilfilters?

Dismantlethefilter,cleanitandthenblowitwithcompressedair.

34.Whendoyoucleanthefueloilfilters?

Whenthepressuredropisexcessive.

35.Whymustthecylinderoilhavealkalinity?

Becausethecylinderoilhastoneutralizeacidicproducts.

36.What’sthefunctionofthecylinderoil?

Lubrication,cooling,cleaningandsealing.

37.Howdoyoustarttheaircompressor?

Checklubeoilandcoolingwaterfirst,thenopentheunloadingvalve,starttheaircompressor.

38.Whatdoyoupayattentiontowhenyoustandbyengine?

Payattentiontothepowersupply,thepreparationsofthelubeoil,fueloil,coolingandstartingsystems./Checkvariouspressureandtemperatures,warmuptheengine,turntheenginewithturninggearandsoon

39.Doyouknowthereasonswhytheenginedoesnotstartonair?

Yes.Startingairsystemhasn’tbeenreadyyet./Startingairpressuretoolow;stopvalveonairlinebeingclosedandsoon.

40.Whatshouldyouperiodically（定期的）dofortheairreservoir?

Drainwaterfromtheairreservoir.

41.What’sthefunctionofgasexchangeinthedieselengine?

Tosupplyfreshairintoandremoveexhaustgasesfromthecylindersmoreeffectively.

42.What’sthefunctionofsuperchargingindieselengine?

Toincreasethedensityofairchargedintothecylinders.

43.Howdoyouoperatethemainengineincoldweather?

Warmupthemainenginegradually.

44.Howdoyouheatthemainengine?

Bycirculatingthecoolingwaterwhichisheatedtopropertemperature.

45.Howdoyouchangedieseloilintofueloil?

Iwillheatthefuelfirstandthenopenthefueloilvalve,closethedieseloilvalve.

46.Howdoyouchangefueloilintodieseloil?

Iwilldecreasethefueloiltemperature,opendieseloilvalveandclosethefueloilvalve.

47.Whatisthefunctionoftheturninggear?

Toturntheengine

48.Howdoyoumeasuretheclearanceofthemainbearings?

Weuseleadwiresorfeeler（塞尺）.

49.Howdoyoumeasurethecrankdeflection（拐档差）ofthemainengine?

Weuseacrankdeflectiongauge.

50.Doyouknowwhythedieselengineexhaustsblacksmoke?

Yes.Becausetheairsupplyistoolow.

51.Doyouknowwhythedieselengineexhaustsbluesmoke?

Yes.Becauselubeoilisbeingburnt.

52.Doyouknowwhythedieselengineexhaustsyellowsmoke?

Yes.Becauseoftoomuchsulphurinthefueloil.

53.Doyouknowwhythedieselengineexhaustswhitesmoke?

Yes.Becausethefueloilcontainstoomuchwaterorthereiscoolingwaterleakage.

54.Whatisthefunctionofthesteeringgear?

Tocontroltheship’scourse（航向）.

55.WhatdoesCPPstandfor?

ControllablePitchPropeller.

56.WhatdoesVITstandfor?

VariableInjectionTiming.

57.What’sthetypeofthefreshwatergenerator?

（造水机）、

Vacuumboilingtype（Distilledtype/Flashingtype）

58.What’sthetypeofthefueloilseparator?

Centrifugaltype.

59.What’sthefunctionofthefueloilseparator?

Toseparateimpuritiesandwaterfromthefueloil.

60.What’sthetypeoftheoilywaterseparator?

Gravityseparationtype.

61.What’sthefunctionoftheoilywaterseparator?

Toseparatetheoilfromtheoilywater.

62.What’sthefuncti