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1、轮机工程学院辅机教研室,轮机英语考试强化复习（3000KW及以上船舶二管轮/三管轮）,0201 For a generator engine, after passing through the turbine the exhaust gas may be conducted out into the_.A. intercooler B. open airC. oil fired boiler D. B and C 0202 For a main diesel engine the lube oil in the bearings is drawn from_, usually located
2、 in the bedplate.A. a gravity tank B. a sump C. a vessel D. a bottle,0203 For an ordinary four-stroke diesel engine the exhaust valves close_.A. after TDC B. before TDC C. after BDC D. before BDC0204 For an ordinary four-stroke engine the exhaust valves open_.A. after TDC B. before TDC C. after BDC
3、D. before BDC,0205 For an ordinary four-stroke engine the inlet valves open_.A. after TDC B. before TDC C. after BDC D. before BDC0206 For an ordinary modem marine four-stroke engine the inlet valves close_.A. after TDC B. before TDC C. after BDC D. before BDC,*0207 For one or two types of engine, t
4、he piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the_.A. cylinder casing B. cylinder boreC. crankcase door D. aperture (opening) in the cylinder block*0208 For one or two types of engine, the piston and rod can be withdrawn downwards from the cyl
5、inder into the crankcase and then out through_.A. the cylinder cover B. the bottom of bed-plateC. the sump D. the crankcase door,0209 Four strokes consist of suction, compression, _ and exhaust stroke.A. combustion B. condensation C. charging D. evaporation*0210 Fresh water is used for the cooling o
6、f cylinder jackets and_ of the marine diesel engine.A. cylinder covers B. lubricating spaceC. crosshead D. exhaust manifold*0211 Fresh water is used for the cooling of the cylinder jackets and_ of the main engine.A. covers B. crankshaftC. cross-head shoe D. the sea water in the fresh water system,02
7、12 Fuel has been injected but ignition fails. The possible cause may be_.A. leaky exhaust valveB. increased scavenging air temperatureC. engine cylinders not scavenged sufficientlyD. water in the fuel oil0213 Fuel injected into a diesel engines cylinder is ignited by_.A. the heat compressed fuel/air
8、 mixture in the cylinderB. the fuel igniterC. the fuel injector D. the fuel pump,0214 Fuel injection uses the jet pump system and a Woodward type hydraulic_ is used to control engine speed.A. controller B. governor C. instrument D. apparatus仪器0215 Fuel injection valves should be taken out, cleaned,
9、and lifting checked (开启压力试验）every_.(同054)A. two to four months B. four to six monthsC. six to eight months D. year,0216 Fuel is delivered into the combustion space by_.A. a cooling system B. a lubricating systemC. an electric system D. an injection system*0217 Fuel is not supplied to the correspondi
10、ng cylinder due to a failure of_.A. the motor B. the fresh water generatorC. the governor D. the fuel pump,*0218 Fuel is not supplied to the corresponding cylinders due to_.A. a failure of the motor B. a failure of lubricatorC. a failure of cylinder D. a failure of fuel pump0219 Fuel oil is pumped b
11、y means of_ from the bunker tanks.A. a transfer pump B. a bilge pumpC. a service pump D. a vacuum pump,0220 Fuel oil is thought to be one of the main factors_ the operation and maintenance of an engine.A. have nothing to do with B. having nothing to do withC. have much to do with D. having much to d
12、o with0221 Fuel pump index is_.(同192)A. the viscosity index B. the fuel oil contentsC. the starting speed D. the reading at the rack,0222 Fuels of high quality with their earlier ignitions will cause higher_ pressure in cylinders of a diesel engine.A. compression B. maximum C. rated D. oil0223 Gener
13、ally the function of lubrication is to form of a film of lubricant between any two surfaces that have relative_, so that surfaces dont get touch with each other.A. gravity B. motion C. ratio D. density0224 Generally the gudgeon pin（活塞销） is fully floating in both connecting rod small end and_.A. the
14、crosshead B. the crankshaftC. large end D. the piston bosses,0225 Generally, the gudgeon pin is fully floating in both connecting rod small end and_.(同224)A. the piston rings B. the piston rodsC. the piston bosses D. the piston heads0226 He said that he had turned the main engine one complete revolution with the_.A. turning gear B. steering gear C. spur gear齿轮 D. chain gear（链条）,
