In petrol engine using a fixed octane rating fuel and fixed compression ratio, super charging will________?
Aunpredictable
Bincrease the knocking tendency
Cdecrease the knocking tendency
Dnot affect the knocking tendency
Eincrease or decrease knocking tendency depending on strength and time of spark
Correct answer
B. increase the knocking tendency
Explanation
The correct answer is increase the knocking tendency.