A.the engine is overloaded
B.the engine is cold
C.there is too much lube oil in the cylinders
D.the turbocharger is fouled
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A.high exhaust temperature
B.high lube oil temperature
C.low turbo-charger speed
D.low cooling water temperature
A.a cracked liner
B.burning lube oil
C.an overloaded engine
D.insufficient combustion air
A.water supply
B.fuel oil supply
C.lube oil supply
D.exhaust damper
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
A.increase scavenge air pressure
B.reduce fuel booster pump pressure
C.adjust the fuel rack
D.retard fuel injector timing
最新試題
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Which of the following items don’t belong to dock repair works?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The main purpose of port State control is not to（）
Using a file without a handle may result in （）
The condensers located in various stages of a flash evaporator are cooled by（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
（） is not installed on the main switchboar.