A.half the engine rotational speed
B.twice the engine rotational speed
C.the engine rotational speed
D.four times the engine rotational speed
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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
A.fresh water
B.sea water
C.cooling oil
D.emulsion
最新試題
Routine monitoring of a diesel engine should include （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
A diesel engine piston ring face is in direct contact with the （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.