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
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The condensers located in various stages of a flash evaporator are cooled by（）
Under MARPOL Code the ship to which it applies has to carry （）
Cold weather starting of a diesel engine may be made easier by（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
（） is not installed on the main switchboar.