A.large conical springs
B.compressed air pressure
C.hydraulic pressure
D.exhaust gas pressure
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A.hour
B.day
C.week
D.month
A.Engine is hard to start
B.Engine misses
C.Surges at governed RPM
D.Coolant temperature is too low
A.regulating the level of corrosion inhibitor in the primary cooling system
B.the level of the freshwater expansion tank
C.varying the engine load to meet temperature requirements
D.the operation of the thermostatic valve
A.oil spray
B.oil bath
C.oil control rings
D.drilled passage through the camshaft
A.twice the crankshaft speed
B.half the crankshaft speed
C.the same speed as that of the crankshaft
D.a speed independent of that of the crankshaft
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Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
White smoke exhausting from an operating diesel engine may indicate （）.
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 （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
To determine if the lube oil filter elements need changing, （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.