A.During operation at low speed
B.During operation at rated speed, but low power output
C.During acceleration
D.All of the above
您可能感興趣的試卷
你可能感興趣的試題
A.compression pressures are below normal
B.lube oil is diluted with fuel oil
C.cranking speed is too low
D.exhaust system is partially restricted
A.checking for leaks
B.checking temperatures and pressures
C.listening for abnormal noises
D.all of the above
A.reduce the engine load
B.increase the cooling water flow
C.increase the lube oil pressure
D.adjust the fuel rack
A.prevent piston side thrust
B.prevent engine friction losses
C.transmit heat from the piston to the cylinder liner
D.remove oil from the cylinder combustion space
A.top of the ring groove
B.cylinder liner oil film
C.bottom of the ring groove
D.back of the ring groove
最新試題
What is the function of the thrust bearing?()
The main purpose of the piston oil scraper rings is to ().
Diesel engine control can be obtained by the bridge ().
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by ().
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?()
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a ().
Proper filtering and straining of fuel oil is important because the ().
Lube oil filters remove contaminants more efficiently if the oil being filtered is ().
Lube oil cannot be efficiently filtered if its ().
Combustion knock occurring in a diesel engine can be caused by ().