The knock characteristics of fuel is indicated by ____________
A. Cetane number
B. Octane number
C. Calorific value
D. Fuel consumption
Answer:B
The knock characteristics of fuel is indicated by ____________
A. Cetane number B. Octane number C. Calorific value D. Fuel consumption
Explanation: Octane number is the calculation of knock characteristics of a fuel. The percentage of C8H18 in the reference fuel consisting of a mixture of iso-octane and normal heptane C7H16 when is produces the same knocking effect as the fuel under test is called octane number.