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
您可能感興趣的試卷
你可能感興趣的試題
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
A.improved cold weather starting
B.excessive fuel oil consumption
C.reduced ignition lag
D.smoother engine operation
A.indicates the amount of abrasive material in the fuel
B.affects the starting ability of a cold engine
C.determines the amount of fuel penetration engine
D.affects the compression ratio of an operating engine
A.dial indicator
B.outside caliper
C.bridge gauge
D.tram rod
A.telescoping
B.ring ‘snap’ gauge
C.inside vernier caliper
D.outside micrometer
最新試題
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
The treatment of the fuel oils involves storage, heating, filtering and()
Cold weather starting of a diesel engine may be made easier by()
Using a file without a handle may result in ()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the following items don’t belong to dock repair works?()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()