A.high firing pressure
B.overload of that particular cylinder
C.smoky exhaust
D.cooling water temperature rise
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A.valve overlap
B.volumetric efficiency
C.turbulence of the air change
D.fuel efficiency
A.greater overall efficiency
B.greater fuel economy
C.lower horsepower
D.lower compression ratio
A.blows out the exhaust gases
B.supplies oxygen for combustion
C.cools the valves and cylinder walls
D.all of the above
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
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The condensers located in various stages of a flash evaporator are cooled by（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Diesel engine air start system check valves are opened by （）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
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.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Using a file without a handle may result in （）