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Calorific Value and Efficiency of a Fuel

Which of the ...

Question

Which of the following is the correct formula for calculating total heat produced $(H)$ in combustion?
Calorific value $= C$
Mass of substance $= M$

A

H = C \times M

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B

H = C \div M

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C

H = C + M

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D

H = C - M

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Solution

The correct option is A $H = C \times M$
The calorific value of a substance is defined as the total energy released on burning (combustion) 1 kg of that substance.
Hence,
$C = \frac{H}{M}$
$H = C \times M$

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