A.shut
B.closing
C.opened
D.closed
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A.below 300
B.above 1200
C.between 300 to 1200
D.below 1200
A.diesel engine
B.stroke
C.cycle
D.compression ratio
A.inlet valves
B.exhaust valves
C.emergency valves
D.run-return valves
A.their no trouble period
B.their freely trouble period
C.its free trouble life
D.its trouble-free life
A.compressed air
B.electricity
C.hydraulic oil
D.compressing air
最新試題
Routine monitoring of a diesel engine should include （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
In a simple mechanical governor, the （）.
The function of diesel engine piston compression rings is to （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.