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ID:35428896
大小:79.31 KB
页数:14页
时间:2019-03-24
《第40期海船船员适任考试《轮机英语》试题》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、中华人民共和国海事局2006年第2期海船船员适任证书全国统考试题(总第40期)科目:轮机英语试卷代号:805适用对彖:无限、近洋航区3000KW及以上船舶二/三管轮(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74题,每题1分,第75题至78题,每题1.5分,第79题至80题,每题10分。一、单项选择题1・usuallyhelpstoinduceairmovementtoassistcombustion.A.CylindercoverB・Mainbeari
2、ngC.TheexhaustvalveD.Thepistonmovement2.Themechanicalefficiencyofanengineisalwayslessthan100%lossesoccurringintheformoffriction.A.becauseB.sinceC.duetoD・owing3・Theexhaustportsarelocatedaroundthelowerpartofthecylinderliner,theproductsofcombustionaredrivenbyscavengingair.A.inwhichB・bywhic
3、hC.throughwhichD>fromwhich4.Thethirdengineertooktheandcheckedthetanktableintheofficeandrecordedallrelevantdata,aswellascalculatedthebunkering.A.waterlevelB.sumplevelC.ballasttanklevelD.ship'strim5.Thelubricatingpipesandductsshouldbeblownoutwith・A.theatmosphereB.thefreshwaterC.thecompres
4、sedairD.thechemicalcompounds6・neutralizestheacidconditionsandcleansestheringsandgrooves・A.Thedetergency/thealkalinityB.Thealkalinity/thedetergencyC.Theinhabitant/thewaterD.Theadditives/thedistilledwater7.Iftheenginedoesnotstartonair,itmaybedueto・A・lowcompressionofthefuelpumpsBeincorrect
5、timingoffuelpumpsC.thestartingairvalvesstuckD.air-locksinfueloilpipeline8.deviceisprovidedtopreventstartingairfrombeingadmittedtothecylinderbeforethereversingiscompleted.A・AnautomaticB>AtransmissionC.Aself-regulatingD.Aninterlocking9.Areductioninloadonadieselengineresultsinofspeedofthec
6、rankshaft・A.areductionB.anincreaseC.anoutingD.adownwards10・FuelinjectionusesthejetpumpsystemandaWoodwardtypehydraulicisusedtocontrolenginespeed・A.controllerB.governorC.instrumentD.apparatusTheoverspeedingofthedieselenginedrivinganelectricgeneratorcouldcause.A7、sepowertriptotripC.damagetowindingsD・excessiveexhausttemperaturesAnycarbonbuiltuponsurfacesmustbewashedawaybyadditivesandheldinsuspensionbyaadditive・A.dispersant/detergentB.detergent/dispersantC.dispersant/dispersantD.detergent/detergentWhileflowingthroughthevoluteinacentrifuga
7、sepowertriptotripC.damagetowindingsD・excessiveexhausttemperaturesAnycarbonbuiltuponsurfacesmustbewashedawaybyadditivesandheldinsuspensionbyaadditive・A.dispersant/detergentB.detergent/dispersantC.dispersant/dispersantD.detergent/detergentWhileflowingthroughthevoluteinacentrifuga
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