最新《轮机英语学习指南》补充题)

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1、最新《轮机英语》考证补充题（20100818）1.Therearefourmaintypesofmarineengines:andthemarinenuclearplant.A.thedieselengine,thesteamturbineanddual-fuelengineB.thedieselengine,thesteamturbineandthegasturbineC.thegas-dieselengine,thegasolineengineandthedieselengineD.theg

2、asolineengine,thedieselengineandthesteamturbine注：船用发动机有四种主要类型：柴油机、汽轮机、燃气轮机和船舶核动力装置，选B。2.Incrossheadenginesingoodconditionthecylinderoilconsumptionmayusuallybe.A.bellow0.1g/hp.hr.B.above10g/hp.hr.C.below1.0g/hp.hr.D.zero注：十字头式柴油机在状态良好的情况下气缸耗油率低于1.0g/h

3、p.hr.,选C。3.Theisthepoweravailableattheoutputshaftoftheengineandcanbemeasuredusingatorsionmeterorwithabrake.A.electricpowerB.shaftpowerC.indicatedpowerD.mechanicalpower注：轴功率是指发动机输出轴上可获得的功率，可以使用扭矩表或刹车来测量，选B。4.Thegreatestturbulenceinadieselenginecylinde

4、riscreatedbythe.A.shapeofthecombustionchamberB.fuelinjectionspraypatternC.cylindersweptvolumeD.degreeofpenetrationofthefueloildroplets注：柴油机气缸内最大的湍流是由燃油液滴的穿透程度产生的，选D。5.Theliquidflowinginthecapillaryissuchthatthedifferencein_____readingstakenbeforethec

5、apillaryandafteritisrelatedtotheoilviscosity.A.pressureB.velocityC.flowrateD.temperature注：对于在毛细管内流动的液体，毛细管前后测取的压差与油的粘度有关，选A。6.Thestartingairbottleshouldbepumpeduptomaximumpressurebythe_____beforestartoftheengine.A.aircompressorB.refrigerationcompress

6、orC.vacuumpumpD.purifier注：在发动机启动前，应使用空压机将启动空气瓶打到最大压力，选A。7.Theprimarytaskofthecompressedairsystemistodeliverthestartingairnecessaryfor_____.A.startingtheM.E.B.startingtheemergencyelectricalternatorC.drivingthemainturbineD.drivingtheturbocharger注：压缩空气系

7、统的主要任务是为启动主机提供压缩空气，选A。8.Aircompressorreceiversshouldbe“blowndown”atleast_____.A.yearlyB.quarterlyC.monthlyD.daily注：空气瓶应每天放残，选D。9.Startingairforauxiliaryenginesmaybetakendirectlyfromthemainreservoirsorthrough.A.anauxiliaryreservoirB.acontrollingairbot

8、tleC.anemergencyaircompressorD.amainaircompressor注：辅机的启动空气可直接来自主空气瓶，也可来自辅空气瓶，选A。10.Theairreservoirsmusthave_____fittedtopreventruptureintheeventoffire.A.highpressurealarmB.firealarmC.extinguishersD.fusibleplugs注：空气瓶必须安装易熔塞，以防发生火灾时爆炸，选D。11.Airreservoi