A.At the beginning of the compression stroke
B.At the beginning of the suction stroke
C.At the end of the working stroke
D.At the end of the exhaust stroke
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A.The watch keeping personnel
B.The chief engineer
C.The person on a bunker barge
D.Any of the above
A.Cast iron
B.Cast steel
C.Forged steel
D.Aluminum
A.At the top
B.At the bottom
C.In the top
D.In the bottom
A.Misalignment
B.Length
C.Strength
D.Stresses
A.Hot bearing
B.Starting valves
C.Unequal distribution of load
D.Excessive crankshaft clearance
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
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 （）.
In a simple mechanical governor, the （）.
An automated diesel engine should normally shut down due to （）
A thrust bearing is used with a propulsion diesel engine to （）.