What is calorific value? [1 MARK]
Definition : 1 Mark The amount of heat energy produced on complete combustion of 1 kg of a fuel is called its calorific value. Its unit is J/kg.
What do you understand by calorific value? Arrange the following fuels in their ascending order of calorific value : hydrogen, methane, cow dung cake, kerosene, wood. [3 MARKS]
(a) Define the calorific value of a fuel.
(b) "The calorific value of LPG is 55000 kJ/kg". What does it mean ?