Question

calorific value of a fuel 20,000 kj/kg . calculate the amount of fule required to produce 1,80,000 kj of energy​

Answer 1

Answer:

Correct option is

A

40000

The calorific value of fuel is the amount of heat produced by the complete combustion of 1 kg of fuel.

Heat produced by 4.5 kg of fuel =180000 kJ.

Heat produced by 1 kg fuel =

4.5

180000

=40000 kJ/kg.

Hence, the calorific value of the fuel is 40,000 kJ/kg.