3. What is is calorific value of a fuel? Name the unit in which the calorific value of a fuel is
expressed. Name any two fuels whose calorific value is is 45000 kilo joule per kg.
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Explanation:
The amount of heat energy produced on 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 kg (kJ/kg).
Two fuels whose calorific values 45000 kilo joule per kg are petrol and diesel.
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