A petrol engine consumes 5 kg of petrolin one hour, the calorific value of petrol being 10^(8) calorie kg^(-1) . Assuming that only 12% of heat is converted into mechanical energy, find the average power developed in kilowatt.

A petrol engine consumes 5 kg of petrolin one hour, the calorific valu

1.	A petrol engine consumes 5 kg of petrolin one hour, the calorific value of petrol being 10^(8) calorie kg^(-1) . Assuming that only 12% of heat is converted into mechanical energy, find the average power developed in kilowatt.
Answer» ANSWER :70 K W