Ignition quality of diesel fuel oil is expressed by an index called
A. octane number
B. cetane number
C. calorific value
D. none of the mentioned
Answer:A
Ignition quality of diesel fuel oil is expressed by an index called
A. octane number B. cetane number C. calorific value D. none of the mentioned
Explanation: Cetane number is defined as the ignition quality of diesel fuel oil is expressed by an index.