A.one propulsion
B.two propulsions
C.two revolutions
D.one revolution
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A.cooling water
B.vapor from the boiler
C.starting air
D.hot gases
A.constant
B.pulse
C.high
D.none of the above
A.piston crown
B.piston groove
C.piston skirt
D.piston ring belt
A.craned out
B.rolled out
C.lifted out
D.turned out
A.aluminum-plated
B.bronze-plated
C.zinc-plated
D.chromium-plated
最新試題
A diesel engine piston ring face is in direct contact with the （）.
The main purpose of the piston oil scraper rings is to （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Diesel engine control can be obtained by the bridge （）.
What is the function of the thrust bearing?（）
The function of diesel engine piston compression rings is to （）.