A.after TDC
B.before TDC
C.after BDC
D.before BDC
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A.oil
B.sea water
C.refrigerant
D.fresh water
A.half the engine speed
B.twice the engine speed
C.the engine speed
D.four times the engine speed
A.downwards；upwards
B.upwards；downwards
C.downwards；downwards
D.upwards；upwards
A.telescopic pipes
B.large bore
C.drilled passage
D.tied rod
A.crosshead
B.crankpin
C.crank journal
D.gudgeon pin
最新試題
Combustion knock occurring in a diesel engine can be caused by （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Maximum horsepower of a diesel engine is attained （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
An automated diesel engine should normally shut down due to （）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）