Question

# "A fuel has calorific value of 25,000 kJ/kg." What does the above statement represent?

A
1 kg of fuel will release 1,00,000 kJ energy on combustion.
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B
4 kg of fuel will take 1,00,000 kJ energy on combustion.
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C
4 kg of fuel will release 1,00,000 kJ energy on combustion.
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D
1 kg of fuel will take 25,000 kJ energy on combustion.
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Solution

## The correct option is C 4 kg of fuel will release 1,00,000 kJ energy on combustion.Calorific value is the amount of heat energy produced on complete combustion of 1 kg of fuel. Hence, 1 kg of fuel gives 25,000 kJ of energy. 4 kg of fuel will give 1,00,000 kJ of energy.

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