A.contaminated with sludge
B.contaminated with carbon
C.diluted with fuel oil
D.diluted with water
您可能感興趣的試卷
你可能感興趣的試題
A.the solid impurities of large particle
B.the solid impurities of fine particle
C.the water content
D.both water and solid impurities
A.brought about
B.caused for
C.resulted from
D.led
A.sliding piston rings
B.engines camshaft
C.small pumps
D.forced feed system
A.excessive heat
B.friction
C.oxidation
D.high pressure
A.is made to circulate out of the system
B.is made to circulate within the system
C.is made circulate within the system
D.is made circulate out of the system
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Proper filtering and straining of fuel oil is important because the （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Lube oil cannot be efficiently filtered if its （）.
To determine if the lube oil filter elements need changing, （）.
In a simple mechanical governor, the （）.
An automated diesel engine should normally shut down due to （）