Question

combustible substance of a mass 4.5 kg was completely burnt for industrial purpose the amount of heat released was found to be 190000 kg ?what is it calorific value​

Answer 1

Combustible substance of a mass 4.5 kg was completely burnt for industrial purpose the amount of heat released was found to be 190000 kg ?what is it calorific value

The calorific value of fuel is the amount of heat produced by the complete combustion of 1 kg of fuel.

Heat produced by 4.5 kg of fuel =180000 kJ.

Heat produced by 1 kg fuel = $\frac{180000}{2.5}$=40000 kJ/kg.

Hence, the calorific value of the fuel is 40,000 kJ/kg.

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