Question

What do you mean by calorific value of fuel?Which fuel has the lowest and which has the highest calorific value?​

Answer 1

Answer:

Calorific value is the amount of energy released or produced when 1 kg of fuel burns or any other substance is burnt in the presence of oxygen and the products of combustion are cooled to STP. Its SI unit is kJ/kg.

Of the three major fossil fuels coal has the highest carbon-to-hydrogen ratio and the lowest calorific value.

Explanation:

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Answer 2

Explanation:

The calorific value of food indicates the total amount of energy, a human body could generate during its metabolism which is expressed in Kilojoules per 100 grams or 100 ml. The calorific value of food is generally expressed in kilocalories i.e. kcal.