轮机员考试真题一及答案

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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：601适用对象：沿海航区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：请选择一个最合适的答案，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.Anycarbonbuiltuponsurfacesmustbewashedawaybyadditivesandheldinsuspensionbyaa

2、dditive・A.dispersant/detergentB.detergent/dispersantC.dispersant/dispersantD.detergent/detergent2.poweristhepowerdevelopedwithinthecylinderandcanbemeasuredbyanengineindicato匚A・TheshaftB.ThemechanicalC・TheelectricD・Theindicated3・Whichofthefollowingcanbeobtainedbymeansofanindicatorcar

3、d?A.thepeakpressureinacylinder.B.thetemperatureofthecoolingwater.C.thefuelconsumption.D.Noneoftheabove.4・Acidsolutioninthesystemcanbetestedfromtimetotimebyputtingsomeontoapieceoflime.A.strengthB.denseC.percentageD.velocity5.Thedeviceallowingforthechangeinvolumeofthecoolingwaterinapr

4、opulsiondieselengineclosedcoolingsystemisthe.A・freshwaterexpansiontankB.seawaterexpansiontankC.thermostaticexpansionvalveD・jacketwatercooleraccumulator6.Whichofthefollowingstatementsiscorrectconcerningtheviscosityoflubricatingoil?A・Viscositywillincreaseastemperatureincreases・B.Visco

5、sityisameasureofafluicTsinternalresistancetoflow.C.Viscositywilldecreaseastemperaturedecreases-D.Viscosityisnotdependentontemperature・7.Accordingtothewaytheenergyoftheexhaustgasesisutilized,pressure-chargingcanbedividedintotwomainsystems,namely,theconstant-pressuresystemand.A.thepul

6、se-phasesystemB.thepulseDopplersystemC.thepulsesystemD.thepulseinterval8.Theworkfueldoesineachworkingcyclecanbeobtainedbytakingthe・A.precautionsB.rpmC.indicatorcardsD.BandC9.inwhatpositiontheengineslopstherewillalwaysbeatleastoneofthecylinderswithitsstartingairvalveopentoadmitcompre

7、ssedairtostarttheengine.A.BecauseB.OwingtoC・ForD・NomatterThepositionofthepistonpartsinrelationtoeachotherissecuredbymeansofinthecrown.A.amarkB.aboltC・adowelpinD.ameasuringtoolBywhichofthefollowingmeansisforceefficientlyprovidedtovarythepitchofthebladesonamodemcontrollablepitchpropel

8、ler?A・HydraulicB.Me