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單項選擇題

The cetane rating of diesel fuel is an indication of the（）

A.ignition quality of the fuel
B.calorific value of the fuel
C.flash point of the fuel
D.rate of fuel consumption

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單項選擇題

The cetane number of a diesel fuel oil indicates its（）

A.Viscosity
B.acid content
C.heating value
D.ignition quality

單項選擇題

Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?（）

A.Viscosity
B.Sulfur content
C.Pour point
D.Cetane number