单项选择题
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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相关考题
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单项选择题
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 -
单项选择题
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 -
单项选择题
The blower type crankcase ventilation system （）
A.removes combustible gases in the crankcase
B.prevents the formation of combustible gases in the crankcase
C.cools lubricating oil
D.improves cold weather starting
