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In an experiment 50 kg of a fuel was com...

In an experiment 50 kg of a fuel was completely burned. The heat produced measured to be 150,000 kJ. The calorific value of the fuel is `x xx 1000`. Then x is

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The correct Answer is:
3
Total mass of fuel = 50 kg
Total heat produced = 150,000 kJ
Heat produced by burning of 1 kg of fuel
`=(150,000)/50`= 3,000 kJ/kg = `3xx1000` kJ/kg
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