A.blows out the exhaust gases
B.supplies oxygen for combustion
C.cools the valves and cylinder walls
D.all of the above
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A.delivering more air into the cylinder than it would normally receive during an ordinary charging process
B.forcing the products of combustion out of the cylinder with the fresh air charge
C.collecting the air charge at the cleaner
D.combustion and expansion of hot gas
A.an incorrect diesel generator governor speed droop adjustment
B.a faulty reverse power relay within the main circuit breaker assembly
C.unsynchronized isochronous load distribution adjustments
D.a different speed setting on each unit
A.improve fuel flow volume
B.cool the exhaust valves
C.reduce the intake air charge density
D.increase the temperature of exhaust gases
A.Piston wrist pin bushing
B.turbine bearing
C.Spring bearing
D.Diesel engine main bearing
A.higher firing pressure
B.more power output
C.lower fuel pressure
D.less power output
最新試題
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
The shipboard oil pollution emergency plan will be invalid after （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
To proceed to the assistance of a ship in distress is（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
Diesel engine air start system check valves are opened by （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）