In which of the following units, calorific value of a fuel can be expressed?
Answer & explanation
Correct answer: option 2
The correct answer is option 2. kilojoules per kilogram.
The amount of heat energy produced on the complete combustion of 1 kg of a fuel is called its calorific value.
The calorific value of a fuel is expressed in a unit called kilojoule per kilogram (kJ/kg).