A.smoky
B.a little bit dense
C.visible
D.almost invisible
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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
A.crack
B.knocking
C.leaking
D.seizure
A.pressure oil
B.pressure water
C.compressed air
D.cooling water
A.lathed
B.shaped
C.shrunk
D.developed
最新試題
Proper filtering and straining of fuel oil is important because the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Diesel engine control can be obtained by the bridge （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
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?（）
The function of diesel engine piston compression rings is to （）.
The main purpose of the piston oil scraper rings is to （）.
Maximum horsepower of a diesel engine is attained （）.
What is the function of the thrust bearing?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.