A.oil
B.sea water
C.air
D.fresh water
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A.half the engine rotational speed
B.twice the engine rotational speed
C.the engine rotational speed
D.four times the engine rotational speed
A.increase its quality
B.obtain complete burning
C.reduce its weight
D.all of the above
A.a separator
B.oil
C.water
D.an oil collecting space
A.a service tank
B.a settling tank
C.an expansion tank
D.a double bottom tank
A.main bearings
B.sea water
C.cooling oil
D.lower temperature fresh water
最新試題
Routine monitoring of a diesel engine should include （）.
The function of diesel engine piston compression rings is to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Combustion knock occurring in a diesel engine can be caused by （）.
What is the function of the thrust bearing?（）
Lube oil cannot be efficiently filtered if its （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.