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1、章节训练篇Lesson1ShipsandMachineryI.TranslatethefollowingphrasesintoChinese:1.navalarchitect2.marineengineer3.longitudinalbulkhead4.transversebulkhead5.containervessel6.rollonandrolloff7.bulkcarrier8.crudecarrier9.passengership10.displacement11.lightweight12.dea
2、dweight13.metricton14.longtonII.TranslatethefollowingsentencesintoChinese:1.Someoverlapinresponsibilitiesoccursbetweennavalarchitectsandmarineengineersinareassuchaspropellerdesign,thereductionofnoiseandvibrationintheship’sstructure,andengineeringservicespro
3、videdtoconsiderableareasoftheship.2.Dependingonthenatureoftheircargo,andsometimesalsothewaythecargoisloaded/unloaded,shipscanbedividedintodifferentcategories,classes,andtypes,someofwhicharementionedinTable1.3.Displacementcomprisestheship’slightweightanditsd
4、eadweight,wherethedeadweightisequaltotheship’sloadedcapacity,includingbunkersandothersuppliesnecessaryfortheship’spropulsion.4.Thethreelayoutsinvolvetheuseofdirect-coupledslow-speeddieselengines,medium-speeddieselswithagearbox,andthesteamturbinewithagearbox
5、drivetothepropeller.III.MultipleChoices:1._____canbefoundonmostmediumtolargemerchantvesselsevenifthemainengineiseitherasteamturbineor2-strokecrossheadengine.A.Themediumspeed4-stroketrunkpistonengineB.Thelowspeed2-strokecrossheadengineC.Themediumspeed2-strok
6、ecrossheadengineD.Thelowspeed4-stroketrunkpistonengine答案A中速四冲程筒状活塞式柴油机可见于大多数的中型和大型商船，即使其主机是蒸汽透平或是二冲程十字头式柴油机。2.____areincreasinglyusedasmainengineonmerchantvessels,becausetheyhaveahighHP/Weightratio.A.SlowspeeddieselenginesB.Medium-speeddieselenginesC.Steame
7、nginesD.Gasolineengines答案B中速机作为商船的主机有增加的趋势是因为其具有较高的功率重量比。3.Propulsionofthevastmajorityofcontemporarymerchantships(especiallycontainershipsandVLCCs)utilizes____asprimemover.A.gasturbineB.dieselengineC.steamengineD.gasolineengine答案B当代大多数商船（特别是集装箱船和超大型油轮）都采用柴油
8、机作为推进船舶的原动机。4.Typicalmarinepropulsionplantsinclude____directlycoupledtothevessel’ssingle269large-diameter,fixed-pitchpropeller.A.single,long-stroke,slow-speed,turbocharged,two-strokedieselengineB.asing
