A.the crank-web
B.the connecting rod
C.the main bearing
D.the cross-head
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A.a bolt
B.a cap
C.a disc
D.a nut
A.piston gudgeon pin
B.piston skirt
C.cross-head
D.cross-head pin
A.lubricating oil
B.compressed air
C.cooling water
D.sealing ring
A.such far away from
B.such near by
C.as far away from
D.as near by
A.as far as
B.as soon as
C.as close as
D.as closer as
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
In a simple mechanical governor, the （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The main purpose of the piston oil scraper rings is to （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
An automated diesel engine should normally shut down due to （）