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單項(xiàng)選擇題

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

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

Following an overhaul of a crosshead type diesel engine, the engine is jacked over with the turning gear as part of the pre-start procedure, which of the listed pre-start procedures should be carried out?（）

A.Ensure proper cylinder lube oil flow
B.Open all air space drain cocks
C.Open all indicator valves
D.all of the above

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