你可能感興趣的試題

Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）

A.Water discharging from the water outlet of the lube oil purifier
B.Fuel oil discharging from the water outlet of the lube oil purifier
C.Lube oil discharging from the water outlet of the lube oil purifier
D.A change in the lube oil viscosity

單項(xiàng)選擇題

If a single cylinder relief valve on a diesel engine lists frequently while the engine is running, the cause may be an （）

A.excessively late injection timing for each cylinder
B.incorrectly adjusted intake valve timing
C.incorrectly adjusted fuel injector
D.incorrectly adjusted intake valve clearance