A.leaky injector
B.water in the gas
C.too heavy oil
D.water in the oil
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A.bearing knocks
B.dropping of pressure of LO
C.noises
D.all the above
A.to remove heat from oil cooled pistons
B.to wash away wear detritus
C.to neutralize acidic products
D.all of the above
A.bearing knocks
B.dropping of pressure of LO
C.noises
D.all the above
A.starting air pressure too high
B.correct timing of starting air valves
C.three of the six starting valves stuck
D.the turning gear disengaged
A.too low starting air pressure
B.main start valve closed
C.neither A nor B
D.A and B
最新試題
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Lube oil cannot be efficiently filtered if its （）.
Maximum horsepower of a diesel engine is attained （）.
A diesel engine piston ring face is in direct contact with the （）.
White smoke exhausting from an operating diesel engine may indicate （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
The function of diesel engine piston compression rings is to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
An automated diesel engine should normally shut down due to （）
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 （）.