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A petrol engine consumes 5 kg of petrol ...

A petrol engine consumes 5 kg of petrol in one hour, the calorific value of petrol being `10^(8)` calorie `kg^(-1)` . Assuming that only 12% of heat is converted into mechanical energy, find the average power developed in kilowatt.

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The correct Answer is:
70 k W
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SL ARORA-THERMODYNAMICS-Problems for self practice
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