轮机英语听力与会话第三版问答题答案.docx

轮机英语听力与会话第三版问答题答案.docx

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轮机英语听力与会话第三版问答题答案

1.howlonghaveyouworkedonboard?

Ihaveworkedonboardfor10years.

2.whichcertificatedoyouhavenow?

Ihavethesecondengineer’scertificate.

3.whatisyourmaritalstatus?

howmanydepartmentsarethereonboard?

Iammarried.Therearetheredepartmentsonboard.

4.howmanypeoplearethereinyourfamily?

Areyoumarried?

Therearetherepeopleinmyfamily.Yes,Iammarried.

5.howmanycountrieshaveyoueverbeento?

Ihavebeentosevencountries.

6.whendidyoubegintoworkonboard?

Whatkindofshiphaveyouworkedon?

Ibegantoworkonboardin2000.ihaveworkedonbulksarriers.

7.howmanyimportmentcanalsarethereallovertheworld?

Three.thepamama,suezandkiel.

8.canyoutellmewhatisthemostimportantthingforaseafarer.?

Safety.

9.whatkindsofmainengineandgeneratorenginehaveyouworkedon?

LargeslowspeedcrossheadtypemarinedieselengineandA.Cgenerator.

10.whichclassificationsocietyisyourshipregisteredwith?

CCSchinaclassificationsociety

11.haveyouworkedanyshipthatcauseddamageincriticalequipments?

Yes,Ihaveworkedonabulkcarriedthatthemanenginehaveddamaged.

12.howdoyoumakeyoumaintenanceschedules?

Itisbasedonship’splanedmaintenancesyetemandthemachineryrunninghoursrecords.

13.couldyoulistinternationalconventionsconcerningmarineshipping?

SOLAS（theinternationalconvertionforthesafetyoflifeatsea）

MARPOL（theinternationalconvertionforthepreventionofpollutionformships）

LOADLINE（theinternationalconvertiononloadline）

14.couldoutelltheusagesoftheSTCWconvention?

STCWconventionestablishedaninternationalstandardforthetraining,certificationandwatchkeepingontheseafarers.

15.whatisthepurposeofclassificationsociety?

Couldyoulistsomeofthem?

Theclassificationsocietyworksforensuringthesafetyofthecrewandshipandprotectingseafromthepollution.

Lioyd’s,CCS,ABS

16couldyoulistdifferentkindsofship’ssurveys?

Annualsurveydockingsurvey,specialsurvey,damagesurvey.

17whatdoesUMSstandfor?

HaveyouservedUMS?

UMSstandsforunattendedmachineryspace.IhaveseveredUMS.

18haveyouevenexperiencedPSCinspection?

Whereandwhenwasyourlastinspection?

Yes,Lastmonthinsingapore.

19whatshouldbepaidattentiontointheoverhaulofacylinder.

EveryoperationgmustbecompliedwiththeprecautionmeasuresregulatedintheSMS.

20beforeenteringanenclosedspacesuchasballasttank,whatactionwillyoutake?

Checkthecontentofoxygenandventilation.

21pleasetellmetheminimumsafeoxygenpercentageforthesafetyoftheworkersinanenclosedspace.

18%.

第二章

1pleaseintroduceonetypeofthemainengine

Themainengineislargeboretwo-strokecrossheadtypewithturbochargingsystem.

2pleaseintroducefuelinjectionprocessofelectronicallycontrolledmainengine

Theelectroniescontroloffuelinjectionimproveslow-loadoperationenginespeedingupgivenbetterenginebalanceandloadcontrol

3pleaseintroducedualfueltechnologyofmainengine

Thiskindofmainenginecanburnbothnaturalgasandfueloilusedinlargemediumspeedengine.

4whyisthetwo-strokeenginewidelyusedonboardship?

Becausethetwo-strokeenginecandeveloptwicethepowerofthefour-strokeengineofthesamesize.

5whyistheairexchangingqualityoffour-strokeenginemorethanoftwo-strokeengine

Four–strokeenginehasanenoughoverlapbetweeninletv/vopeningandexhaustv/vclosing

6pleaseintroducethreemovingpartsofmarinemainengine

Crankshaft,connectingrod,crosshead,piston

7what’sthesequenceofthefourstrokes?

Suction,compression,expansionandexhaust

8pleaseintroducefourfixingpartsofmarinemainengine

Bedplate,cylinderblock,scavengeairboxandframe.

9whatiscalledaworkingcycleofdieselengine?

Thecyclereferstotheoperationbetweentwofuelinjections.

10whatisthefoundationofdieselengine?

Thebedplateisthefoundationoftheengine.

11whatarethefouctionandfeatureofthetierods?

Holdthebedplate,framesandcylinderblockstogethertoformarigidstructure.featurethetierodislongandgoodtensioningstrength.

12whatisthefouctionofthegovernor?

Thegovernorcanregulatethespeedoftheenginebycontrollingthefuelinjectedintothecylinder.

13whatisthefeatureofthegovernor?

Instantaneousspeed,regulatingspeedfluctuation,andsoon

14whatisusedforconnectingthepistonrodandconnectingrod?

Crosshead

15whatisusedforsealingbetweenthecrankcaseandscavengingairbox?

Thepistonrodstuffingbox.

16whatarethetwotypesofthecoolingsystem?

Theyarefreshwatercoolingsystemandseawatercoolingsystem.

17what’sthefunctionoftheheadtankinthecoolingwatersystem?

Expansionandmake-upofthewater,airreleasingandwatertreatment.

18pleaseintroducetheopencoolingsystem.

Opencoolingsystemusesimilarelementswithclosedsystemexpectthatadraintankisusedinsteadofaheadtank.

19pleaseintroducetheclosecoolingsystem

Closedcoolingsystemhastheenginejacketheatexhangerandcirculatingpumptofromacontinouscircuitewithaheadtankopentoatmosphere..

20pleaseintroducethecentralcoolingsystem.

Centralcoolingsystemisbasedonsamedesignprincipleswithconventionseawatercoolingsystembutwithacentralcoolerandoneaadditionalsetofpump

21what’stheadvantageofthecentralcoolingwatersystem?

Withlessequipmentcontactingwithseawater,thecorrosionproblemsaremuchreduced

22howtocontrolfueloilviscosityofmainengine?

Bycontrollingtheoiltemperature.

23pleaseintroducetwosub-systemsofthefueloilsystem/

Fuelsupplysystemandfuelinjectionsystem.

24pleasespeakoutthefunctionofthefueloilviscosityregulator.

Bycontrollingtheoiltemperature

25howdoesthefueloilviscosityregulatorwork?

Bycontrollingtheoiltemperature

26pleasetellatleastthreecompositionoffueloil.

Sulphur,,ashcontent,cetanenumber

27pleasenameatleastthreeofmainfactorstoselectafueloil.

Viscosity,cetanenumber,calorificvalue,sulphr,ashcontent,flashpoint,settingpoint,specificgravity.

28whatistheusualcoolantinmarinedieselengine?

Freshwater,lubeoilandseawater.

29whyseawaterisnotuseddirectlyasacoolantindieselengine?

Becauseseawateriscorrosiveandliabletoleavedeposits.toblockthejackets

30what‘stheadvantageofoil-coolingpiston?

Theadvantageisthesameoilalsocanbeusedforlubricationandanyleakagewillnotcausecorrosiveproblem.

31what’sthedisadvantageofwater-coolingpiston?

Coolingwaterleakagecanpollutethelubeoil

32what’sthefunctionofthelubricatingoilinmainengine?

Providelubricatingfilm,removeheatfromoilcooledpiston,neutralizeacidicproductsofcombustion,cleansehotmovingpartsofcarbonaccousdeposits,resistoxidationandwashawayweardetritus.

33howdoyoucleanthelubeoilfilters?

Bywashingwithdieseloil

34whendoyoucleanthefueloilfilters?

Thefilteriscloggedbyimpurities

35whymustthecylinderoilhavealkalinity?

Neutralizetheacidproductsofcombustion

36what’sthefunctionofthecylinderoil?

Lubrication,sealingandremovingheat

37howdoyoustarttheaircompressor?

Unloadstarting

38whatdoyoupayattentiontowhenyoustandbyengine?

Checkedvariouspressureandtemperatures,warmuptheengine,turntheenginewithturninggearandsoon

39doyouknowthereasonswhytheenginedoesnotstartonair?

Starrtingairpressuretoolow,incorrecttimingofstartingairvalve,stop-valveonairlinebeingclosedandsoon

40whatshouldyouperiodicallydofortheairreservoir?

Weshoulddrainthecondensewaterandmakeuptheairregularly

41what’sthefunctionofgasexchangeindieselengine?

Gasexchangereferstothesupplyoffreshairandremovalofexhaustgas

42what’sthefunctionofsuperchargingindieselengine?

Improvetheoutputofengineandenhanceitsefficiency

43howdoyouoperatethemainengineincoldweather?

Warmuptheengineandkeepthechargeairandoilatpropertemperature

44howdoyouheatthemainengine?

Bycirculatingthecoolingwaterwhichisheatedtopropertemperature

45howdoyouchangedieseloilintofueloil?

Dieseloilheatedtopropertempartureandopenthefueloilv/v

46howdoyouchangefueloilintodieseloil?

Shutthesteamv/v,decreasethefueloiltemperature,opendieseloilv/v

47whatisthefunctionoftheturninggeat?

Theturninggearisusedtomakeengineoperateslowlyforinspection

48howdoyoumeasuretheclearanceofthemainbearings?

Byleadwireorfeeler

49howdoyoumeasurethecrankdeflectionofthemainengine?

Bycrankdeflectiongauge

50doyouknowwhythedieselengineexhaustsblacksmoke?

Poorcombustionduetomorefuelcontent

51doyouknowwhythedieselengineexhaustsbluesmoke?

Lubeoilismorethannormal

52doyouknowwhythedieselengineexhaustsyellowsmoke?

Highsulphurinoil

53doyouknowwhythedieselengineexhaustswhitesmoke?

Watercontentismorethannormal

54whatisthefunctionofthesteeringgear?

Itisusedtocontroltheship’scourse

55whatdoesCPPstandfor?

CPPstandsforcontrollablepitchpropeller

56whatdoesVITstandfor?

Variableinjectiontiming

57what’sthetypeofthefreshwatergenerator?

Multi-stageflashwatergenerator

58what’sthetypeofthefueloilsepatator?

centrifugal

59what’sthefunctionofthefueloilseparator?

Removewaterandimpurities

60what’sthetypeoftheoilywaterseparator?

Gravityfiltrationand