单项选择题
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
One remedy for a high firing pressure, in addition to a...
单项选择题One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to （）
A.increase scavenge air pressure B.reduce fuel booster pump pressure C.adjust the fuel rack D.retard fuel injector timing
