Question

calorific value of petrol is 46000 KJ/Kg how much petrol is required to produce 6,90,000 KJ of heat energy​

Answer 1

Answer:

Heat given by 4.5 kg of fuel is 1,80,000kJ (given) i.e. Hence, the calorific value of the fuel is 40,000kJ.

Explanation:

Heat given by 4.5 kg of fuel is 1,80,000kJ (given) i.e. Hence, the calorific value of the fuel is 40,000kJ.