The measure of knock characteristics of a fuel is known as ______
A. Cetane number
B. Octane number
C. Calorific value
D. Volatility
Answer:B
The measure of knock characteristics of a fuel is known as ______
A. Cetane number B. Octane number C. Calorific value D. Volatility
Explanation: The percentage of iso-octane (C8H18) in the reference fuel consisting of a mixture of iso-octane and normal heptane (C7H16), when produces the same knocking effect as the fuel under test, is called Octane number of the fuel.