轮机英语评估问答题题与参考答案.docx
- 文档编号:10132378
- 上传时间:2023-05-23
- 格式:DOCX
- 页数:36
- 大小:31.74KB
轮机英语评估问答题题与参考答案.docx
《轮机英语评估问答题题与参考答案.docx》由会员分享,可在线阅读,更多相关《轮机英语评估问答题题与参考答案.docx(36页珍藏版)》请在冰点文库上搜索。
轮机英语评估问答题题与参考答案
PARTYⅠ英语评估口述题参考答案
第一章公共用语
1.theengineroom
(1)positionoftheengineroomonboard.
(2)Typesofmarinemachineryintheengineroom.
(3)Featureofmarinemachineryintheengineroom.
Theengineroomistheheartofaship.
Withoutit,theshipcannotsailatsea.
Itisusuallyattheaftpartoftheship.
Therearevariouskindsofmachineryinit.
Thedieselengineforpropulsioniscalledthemainengine.
Othervariousmachinesarecalledauxiliarymachinery.
Thesemachinesarerequiredforsteering,cargohandling,powergenerationandsoon.
Amongthesemachines,mainengineisthepowersourceoftheship.
Othersprovidetheserviceforthemainengine.
2.Theenginedepartment
(1)Introductionoftheimportanceoftheenginedepartmentonboard.
(2)Introductionofpersonneloftheenginedepartment.
(3)Descriptionofengineworkintheenginedepartment.
Theenginedepartmentonboardisveryimportant.
Withoutit,ashipcannotsailatseanordoanythingelse.
Intheenginedepartment,thereareengineerofficersandengineroomratings.
TheChiefEngineeristheheadoftheenginedepartment.
Theworkintheenginedepartmentisrelatedtomachinesandtheequipment.
Itistocontrolmachinesandsystemsandtokeepthemingoodorder.
3.Self-introduction(学生用)
(1)Youreducationbackground
(2)Yourworkingexperience.
(3)Yourfamily.
Mynameis_____,Iam____yearsold.
Icomefrom_____.
NowIamastudentof____College.
Imajorinmarineengineeringmanagement.
Iwillgraduatefromthecollegenextyear.
Ihavereceivedbasictrainingforseamen,suchassurvivalatsea,fire-fightingandfirst–aid.
Therearethreepeopleinmyfamily,mymotherandmyself.myfatherisaworker.mymotherisahousewife.Ilovemyfamily.
4.Pleasesaysomethingaboutyourjob.
(1)Yourpositiononboard
(2)Yourdutiesonboard
(3)Yourexperience
Mypositiononboardisthethirdengineer.
Ikeepwatchfrom12o’clockto4o’clockatnightandintheafternoon.
Iaminchargeofthegenerators,mainaircompressorandotherequipmentonboard.
Whenonduty,Ihavealotofthingstodo.
Ishouldkeepthemachineryingoodworkingorder.
Sofar,Ihaveworkedasathirdengineerfor____year.
AndIhaveworkedonvariouskindsofcargoships,(suchasbulkcarriers,containerships,generalcargoships,tankers,etc.)
Ilovemyjob.IhopeIcanbecomeachiefengineerinthefuture.
5.Watch-keepingintheengineroom.
(1)Theengineerondutyworksfor4hourseachwatch.
(2)Hehastokeepeverythingingoodorder.
(3)Heisgoingtohandovershift.
Theengineerondutyworksfor4hourseachwatch
Differentpositionhasdifferentshifts.
Forexample,thethirdengineerworksfrom0to4inthemorningandintheevening.
Hehastokeepeverythingingoodorder.
Ifanythinggoeswrong,hehastodealwithitorreportittotheChiefEngineer.
Attheendofthewatch,hesigoingtohandoverthewatch.
Thesecondengineerwillgoonthenextshift.
6.Couldyouintroduceyourself?
(船员用)
(1)what’syourname?
(2)wheredidyougraduate?
(3)whateducationdegreedoyouhave?
Igladtointroducemyself
Mynameis____,I’m____yearsold.Igraduatedfrom____college/university.
Ihaveabachelor’sdegree.Ihaveworkedonboardfor____year.NowI’mathird/secondengineeronboard.Ilovemyjob.
第二章机舱日常业务
1.Pleasedescribethedifferencebetweenthedieselengineandthegasolineengine.
Thedifferencebetweenthedieselengineandthegasolineenginearemainlyasfollow:
Thedieselengineusesdieseloilasfuelbutthegasolineengineusesgasoline.Duringthesuctionstroke,thedieselengineadmitsaironly,butthegasolineengineadmitsacombustiblemixtureofairandgasoline.Aftercompression,afinesprayoffuelinjectedintothedieselenginecylinderisignitedbytheheatinthecylinder.Agasolineengineneedssparkplugstoignitethecombustiblemixtureinthecylinder.Thecompressionratioofadieselengineishigherthanthatofagasolineengine.Soadieselengineisbiggerthanagasolineengine.
2.XiaoWangisacadetoftheenginedepartment,whojustgraduatedfromShanghaiMaritimeUniversity.Howdoyouintroducealltheengineroomtohim?
Iwillintroducetheengineroomtohiminthisway:
Thisistheengineroom.Itisbelowthefirstdeckonboard.Therearemanymachinesandequipmentinit,includingamainengineandalotofauxiliarymachines.Thisistheeconomizer,standingjustinfrontofthedoor.Downthestaircase,thereisaboiler.Goingdownsomemore,youwillfindapassageleadingtothesteeringgearroom.Movingdownanotherflightofstairs,youwillcometothelevelofmainenginecylinderheads.Upfromthere,therearedieselgenerators.Thefreshwatergeneratorisalsoonhesamelevel.Astheheartofaship,theengineroomshouldbekeptingoodorder.
3.XiaoZhangisathree-yearstudentmajoringinmarineengineeringfromShanghaiMaritimeUniversity.Howdoyouintroducestheequipmentandmachineryintheengineroomtohim?
Iwillintroducetheequipmentandmachineryintheengineroominthisway:
Therearemanykindsofmachinesintheengineroom.Themainengineistheheartoftheengineroom.Itsuppliespowerforthevessel’spropulsion.Boilersareusedforproducingsteam.Afreshwatergeneratorisusedtoproducefreshwaterfromseawater.Anaircompressoristosupplycompressedair.Steeringgearsareforthecontroloftheship’scourse.Allthemachineryandequipmentshouldbemaintainedingoodorder.
4.Lookattheillustrationandsaysomethingaboutthedisposaloftheshaftinganddieselengine.
Iwillsaysomethingaboutthedisposaloftheshaftinganddieselengine.Themaindieselengineiswithathrustshaftasanintegralpart.Thethrustisboltedtoanintermediateshaft.Theintermediateshaftissupportedbyintermediatetunnelbearings.Thesterntubebearingsupportsthetailshaftandpartofthepropellerweight.Sterntubesealsarefittedatbothendsofthetailshaft.Theshafts,shaftbearingsandprobabilitymakeupthetransmissionsystemonboardavessel.
5.Lookattheillustrationandsaysomethingabouttheprobabilityofdisposalofmedium-speedandhigh-speeddieselengine.
Medium-andhigh-speeddieselenginescanbearrangedassingle-enginepropulsion.Buttheyareprobablyarrangedastwo-,eventhree-orfour-enginepropulsion.Theillustrationshowsakindoffour-enginepropulsion.Theseenginesareconnectedwithareductiongear.Throughthereductiongear,thepropellingspeedisreducedandthetorqueisincreased.Oneoftheadvantagesofthisarrangementisthatcompactsystemscanbeused.
6.Lookattheillustrationandsaysomethingaboutstructureofthemainengine.
Thisisanillustrationofthestructureofamainengine.Themainengineconsistsoftwoparts:
themovingpartsandfixedparts.Themovingpartsincludepiston,crankshaft,andconnectingrod.Thefixedpartsarebedplate,frame,cylinder,cylindercoverandmainbearings.Thebedplate,frameandcylinderblockareheldtogetherbylongtierods.Theconnectingrodconnectsthepistonwiththecrankshaft.Thepistonmovesupanddowninthecylinder.Onthetopofthecylinder,thereisacylindercover.Theexhaustvalve,inletvalveandinjectorareinstalledonthecylindercover.
7.Lookattheillustrationandsaysomethingaboutstressstatusofthemovingparts.
Thispictureillustratesthestressstatusofthemovingpartsofanengine.Themovingpartsarestressedbytwomajorforces.Oneisthecompressiveforcefromthegasincylinder.Theotheristheinertiaforceofthemovingparts.TheresultantforceofthetwocanbedividedintoForceNandForceS.ForceScompressesorstretchestheconnectingrod.AnditcanbefurtherdividedintoForceTandForceK.ForceKexertsabendingstressonthecrankshaft.
8.Lookattheillustrationandsaythetypeofpistonheadshapeindieselengine.
Thispictureillustratestheshapeofapistonhead.Therearefourpistonringgroovesinthehead.Thetopofthepistonheadisconcave,likeabowl.Thisshapeisfavorableforthemixingoffuelandair.Itisalsoforthefreeexpansionoftheheadafterbeingheated.Thetypeofthispistonisprobablyacrossheadtype.
9.Lookattheillustrationandsaythetypesofpistonring.
Thispictureillustrationvarioustypesofpistonring.Thefirstoneinthepictureisthesectionofarectangularring.Thiskindofpistonringismostcommonforgassealing.Thesecondoneisadiagonalcutpistonring.Itiscommonlyusedforoildistributorring.Thethirdoneisakindofpistonringwithoneinner-sidechamfer.Thefourthoneisatwistedring.Andthefifthoneiswithanovalshapeattheouterside.Itisparticularlyusedfortherunning-inperiodofanewpiston.
10.Pleasedescribethelubricatingmodeofmainengine.
Therearetwodifferentlubricatingmodesofmainengine.Oneisforlubricationofthecylinders.Theotherisforbearinglubrication.Thecylinderoilisusuallyprovidedbysmallpumps,knownasmechanicallubricators.Theoilshouldbesuppliedinsmallquantities.Butthemethodofnearinglubricationisquitedifferent.Itisprovidedbyforcedfeedsystem.Itprovidesasufficientsupplyofoiltoallbearing.Lubricationofthemainenginecanreducefriction.
11.Talkabouttheworkingprincipleofpurifieraccordingtothepicturegiven.
Thepictureshowstheworkingprincipleofapurifieronboard.Itworksontheprincipleofcentrifugalseparation.Inapurifier,thereareseparationdiscsandouterperipherywithaseriesofholes.Whenoilispumpedinto
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 轮机 英语 评估 问答题 参考答案