Which one of the following has the highest calorific value? (a) kerosene (b) biogas (c) LPG petrol

• Soln:

Answer is (c) LPG

Explanation:

Calorific represents the amount of heat generated when fuel burns completely.

The calorific value of LPG is 55000-kilo joules/ Kg, which is high when compared to the calorific value of Kerosene, Biogas and petrol.