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單項(xiàng)選擇題

Excessive vibration in an operating diesel generator may be caused by （）

A.electrical overload
B.surging at governed RPM
C.loose engine mounting bolts
D.coolant leaking into the cylinder

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單項(xiàng)選擇題

If you observe smoke coming from the turbocharger of an auxiliary diesel engine, you should（）

A.check the air filter for obstruction
B.check for an exhaust leak
C.check the exhaust temperature
D.secure the engine

單項(xiàng)選擇題

Clogged or partially obstructed exhaust ports on a diesel engine can cause（）

A.over-speeding of the engine
B.failure of the engine to shut down
C.no effect of engine mounting bolts
D.high exhaust temperatures

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