A.Decreased connecting rod bearing clearance
B.Increased connecting rod bearing clearance
C.Decreased compression ratio
D.Increased compression ratio
您可能感興趣的試卷
你可能感興趣的試題
A.less fuel will enter the cylinder
B.higher the cylinder combustion temperature
C.more complete the fuel combustion
D.more rapid the rise in combustion pressure
A.dust entering the high pressure stage
B.lube oil carbonization
C.discharge pulsations
D.inter-stage vapor lock
A.increased compression ratio
B.decreased compression ratio
C.increased bearing clearance
D.decreased bearing clearance
A.The cetane number is obtained by comparing the fuel with cetane a colorless liquid hydrocarbon
B.The higher the cetane number, the shorter the ignition lag
C.The highest cetane number of fuel is 100
D.All of the above
A.The cetane number affects the amount of injection lag
B.The cetane number is an indication of the fuels viscosity
C.Ignition lag is reduced with fuels having a high cetane number
D.The cetane number is of little significance in the combustion process
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
The condensers located in various stages of a flash evaporator are cooled by()
If separating effect is not good, which measure should be taken ()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
To proceed to the assistance of a ship in distress is()
Diesel engine air start system check valves are opened by ()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
The cetane rating of diesel fuel is an indication of the ()