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 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 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after TDC B. before TDC C. after BDC D. before BDC,*0207 For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the_.A. cylinder casing B. cylinder boreC.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door D. aperture (opening) in the cylinder block*0208 For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through_.A. the cylinder cover B. the bottom of bed-plateC.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 of 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,0212 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 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, 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 corresponding 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 by 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 do 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 Generally 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 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）,