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[单项选择]Fix the fuel injector into () after repair.
A. the cylinder liner
B. the cylinder cover
C. the cylinder jacket
D. the piston
[单项选择]For a diesel engine, when the piston is at the (), the clearance volume is the largest.
A. TDC
B. DTC
C. BDC
D. DBC
[单项选择]Fresh water is used for the cooling of cylinder jackets and () of the marine diesel engine.
A. cylinder covers
B. lubricating space
C. crosshead
D. exhaust manifold
[单项选择]For an ordinary four-stroke engine the inlet valves open ()
A. after TDC
B. before TDC
C. after BDC
D. before BDC
[单项选择]Fuel injected into a diesel engines cylinder is ignited by ().
A. the heat compressed fuel/air mixture in the cylinder
B. the fuel igniter
C. the fuel injector
D. the fuel pump
[单项选择]Fuel is delivered into the combustion space by ().
A. a cooling system
B. a lubricating system
C. an electric system
D. an injection system
[单项选择]Fuel is not supplied to the corresponding cylinder due to a failure of ().
A. the motor
B. the fresh water generator
C. the governor
D. the fuel pump
[单项选择]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
[单项选择]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
[单项选择]For an ordinary four-stroke engine the exhaust valves open ().
A. after TDC
B. before TDC
C. after BDC
D. before BDC
[单项选择]Failure of fuel injection is usually due to trouble in the ().
A. exhaust valves
B. mechanical lubricators
C. cooling water pumps
D. fuel injection pumps
[单项选择]For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the ().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 bore
C. crankcase door
D. aperture in the cylinder block
[单项选择]Four strokes consist of suction, compression, () and exhaust stroke.
A. combustion
B. condensation
C. charging
D. evaporation
[单项选择]For an ordinary four-stroke diesel engine the exhaust valves close ().
A. after TDC
B. before TDC
C. after BDC
D. before BDC
[单项选择]For an ordinary modem marine four-stroke engine the inlet valves close ().
A. after TDC
B. before TDC
C. after BDC
D. before BDC
[单项选择]For a generator engine, after passing through the turbine the exhaust gas may be conducted out into the ().
A. intercooler
B. open air
C. oil fired boiler
D. B and C
[单项选择]Fuel injection valves should be taken out, cleaned, and lifting checked every ().
A. two to four months
B. four to six months
C. six to eight months
[单项选择]Fuel has been injected but ignition fails The possible cause may be ().
A. leaky exhaust valve
B. increased scavenging air temperature
C. engine cylinders not scavenged sufficiently
D. water in the fuel oil
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