A.nip
B.nap
C.gap
D.lip
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A.less than
B.lighter than
C.larger than
D.smaller than
A.less than
B.lighter than
C.larger than
D.smaller than
A.smoky
B.a little bit dense
C.visible
D.almost invisible
A.the pressure of the starting air is high enough
B.there is enough air in the air reservoirs
C.the air is supplied into the cylinders in the appropriate sequence
D.all of the above
A.the start fails
B.the fuel pumps will be put into operation
C.the fuel valves are damaged
D.the combustion process will take over
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If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Lube oil cannot be efficiently filtered if its （）.
Maximum horsepower of a diesel engine is attained （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
A diesel engine piston ring face is in direct contact with the （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）