Question

1 kg of fuel A produced 10x KJ/Kg of heat when completely burnt in
presence of oxygen. Find its calorific value.​

Answer 1

Answer:

10 kJ

Explanation:

Given data:

Mass of the fuel A = 1 kg

The heat produced when burnt completely = 10 kJ/kg

To find: Calorific value of fuel A

The calorific value is defined as the heat energy produced by complete combustion of a substance, usually fuel or food, of a specified quantity of it. In other words, the calorific value of a substance is the energy produced per quantity of the substance given therefore its measuring in terms of kJ/kg.

Based on the above definition and the given values, we get

The calorific value of fuel A  

= (Heat produced during combustion) / (mass of fuel A)

= 10 kJ/kg / 1 kg

= 10 kJ

Answer 2

Explanation:

10 kj

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