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# In an Experiment 4.5 Kg of a Fuel Was Completely Burnt. the Heat Produced Was Measured to Be 180,000 Kj. Calculate the Calorific Value of the Fuel - Science

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In an experiment 4.5 kg of a fuel was completely burnt. The heat produced was measured to be 180,000 kJ. Calculate the calorific value of the fuel.

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#### Solution

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

Now,

Heat produced by 4.5 kg of fuel = 180000 kJ

Therefore, heat produced by 1 kg of fuel = 180000/4.5 xx 1 KJ/Kg

= 40,000 kJ/kg

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

Concept: Types of Combustion
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#### APPEARS IN

NCERT Class 8 Science
Chapter 6 Combustion and Flame
Q 11 | Page 75
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