单项选择题
A.high exhaust temperature B.high lube oil temperature C.low turbo-charger speed D.low cooling water temperature
White smoke exhausting from an operating diesel engine ...
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
The over-speed trip installed on most diesel engine wil...
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
The blower type crankcase ventilation system （）A.remove...
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
