海事局第期海船船员适任证书全国统考试题(总第期)科目：轮机英语试卷代号：

《海事局第期海船船员适任证书全国统考试题(总第期)科目：轮机英语试卷代号：》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、中华人民共和国海事局2003年第1期海船船员适任证书全国统考试题(总第30期)科目：轮机英语试卷代号：801适用对象：无限、近洋航区3000KW及以上船舶轮机长（本试卷卷面总分100分,及格分为70分,考试时间为100分钟）答题说明：请选择一个最合适地答案,并将该答案按答题卡要求,在其相应位置上用2B铅笔涂黑.第1题至68题,每题1分,第69题至76题,每题1.5分,第77题至78题,每题10分.一、单项选择题：1.Thecylinderhead,cylinderlinerand_____for

2、mthecombustionchamber．A.frameB.pistonC.crankcaseD.explosionplate2.Adieselengineburns________agasolineengineofthesamecapacityinthesameperiodoftime．A.asmuchfuelasB.lessfuelthanC.lessfuelasD.morefuelthan3.Acidsolution_____inthesystemcanbetestedfromtimet

3、otimebyputtingsomeontoapieceoflime．A.strengthB.denseC.percentageD.velocity4.A：Pleasetellmethespecificationsandquantity．B：_____．A.Pumpdieseloilfirst　B.300tonsof180cstfueloilC.Thefigureisallright　D.OK,I'llsignit5.Thefilmofoilbetweentheringsandthelineri

4、snotonlyessentialforthelubricationbutalsoplaysanimportantpartinachieving_____．A.anoilsealB.removingheatC.agassealD.coolingthepiston6.Thetendencyforlubricatingoiltothinoutathightemperaturesandthickenatlowtemperatureswillbecharacterizedbya_____．A.lowvi

5、scosityindexB.highviscosityindexC.highneutralizationnumberD.lowdemulsibilityquality7.Operatingadieselengineforprolongedperiods,withaclosedfreshwatercoolingsystem,attemperatureslowerthanthenormaldesigntemperaturecancause_____．A.theformationofsulfurica

6、cidB.adecreaseinlubeoilviscosityC.adecreaseincoolingwaterpHD.athermostatfailure8.______isusuallydrivenbytheenginecamshaftandsuppliespilotairtothecylinderairstartvalve．A.AnairreceiverB.AnoperatingvalveC.AnautomaticvalveD.Anairdistributor9.Thedifferenc

7、ebetweenasuperchargedengineandanun-superchargedengineisthat_____operatesatanincreasedpressure．A.thelaterB.thelatterC.theformerD.thefarmer10.Asealingarrangementisprovidedat_____ofthetail-shaftwiththepropellerandconecompletingthearrangement．A.bothendsB

8、.neitherendC.theoutboardendD.eitherend11.Thelinearmotionofadieselenginepistonisconvertedtotherotarymotionrequiredtodrivegears,propellershafts,andgeneratorsbythe_____．A.flywheelB.crankshaftC.journalbearingsD.camshaft12.Theuseofapoorqualitypistoncoolin