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單項(xiàng)選擇題

White smoke exhausting from a diesel engine can result from （）

A.high exhaust temperature
B.high lube oil temperature
C.low turbo-charger speed
D.low cooling water temperature

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單項(xiàng)選擇題

White smoke exhausting from an operating diesel engine may indicate （）

A.a cracked liner
B.burning lube oil
C.an overloaded engine
D.insufficient combustion air

單項(xiàng)選擇題

The over-speed trip installed on most diesel engine will stop the engine by shutting off the （）

A.water supply
B.fuel oil supply
C.lube oil supply
D.exhaust damper

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