Petrol that detonates easily is called
A
High octane petrol
B
Low octane petrol
C
Unleaded petrol
D
Blended fuel
Correct Answer: Low octane petrol
The higher the octane number, the more compression the fuel can withstand before detonating . Therefore, high compressibility of the fuel matters mainly for gasoline engines.Use of gasoline with lower octane numbers may lead to the problem of engine knocking