A.discharge exhaust gases and smoke
B.furnish energy to the turbocharger
C.reduce engine room noise
D.all of the above
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A.residual carbon deposits
B.lube oil viscosity breakdown
C.uneven heat expansion of the rings
D.uneven heat expansion of the piston
A.one-half engine speed
B.the same as engine speed
C.twice engine speed
D.four times engine speed
A.air intake
B.a fuel outlet
C.cooling water inlets
D.exhausting combustion gas
A.poor cooling of cylinder walls
B.improper cooling of the piston
C.insufficient piston lubrication
D.all of the above
A.natural aspiration
B.masked intake valves
C.air cells
D.scavenging air
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
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As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
（） is not installed on the main switchboar.
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Under MARPOL Code the ship to which it applies has to carry （）