Question:
The total amount of heat or energy produced by one kg of fuel is the
The total amount of heat or energy produced by one kg of fuel is the
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Gross calorific value includes the total heat produced by complete combustion of fuel, including the latent heat of condensation of water vapour.
Updated On: May 7, 2026
- Heat content
- Net calorific value
- Gross calorific value
- Specific heat
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The Correct Option is C
Solution and Explanation
Calorific value is the amount of heat produced when a unit quantity of fuel is completely burnt.
For solid and liquid fuels, it is generally expressed as:
\[
\text{kcal/kg}
\]
or
\[
\text{kJ/kg}.
\]
The question asks for the total amount of heat or energy produced by one kg of fuel.
When one kg of fuel is completely burnt and the heat of condensation of water vapour is also included, the value obtained is called:
\[
\text{Gross calorific value}.
\]
Gross calorific value is also called higher calorific value.
Net calorific value does not include the heat recovered by condensation of water vapour.
Therefore, the total heat energy produced by one kg of fuel is:
\[
\text{Gross calorific value}.
\]
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