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
White smoke exhausting from an operating diesel engine may indicate （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Maximum horsepower of a diesel engine is attained （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
In using reduction gears to obtain efficient propeller speeds, （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.