单项选择题
A.reservoir B.hand pump C.accelerator D.accumulator
How dose water enter the crankcase of a diesel engine?（...
单项选择题How dose water enter the crankcase of a diesel engine?（）
A.Through the crankcase exhauster B.As water vapor contained in blow-by C.Demulsifying lube oil passing through the main bearings D.Condensation from vapor formed in the expansion tank
Standby or emergency diesel generator day tanks should ...
单项选择题Standby or emergency diesel generator day tanks should always be kept full to reduce the possibility of（）
A.sediment contamination B.fuel filter clogging C.moisture formation D.inadequate transfer pump suction head
If water is found in the crankcase of a diesel engine, ...
单项选择题If water is found in the crankcase of a diesel engine, the cause may be due to（）
A.a cracked cylinder head B.a leaky cylinder head gasket C.a cracked cylinder liner D.any of the above
