轮机英语听力与会话三版PARTⅡ问答题答案Word文件下载.docx
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轮机英语听力与会话三版PARTⅡ问答题答案Word文件下载.docx
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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
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