The calorific value of a fuel is 40,000 kJ/Kg. How much fuel is required to produce 280,000 kJ of heat energy?
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Answer:
40,000 kJ/kg
Explanation:
Total mass of fuel = 4.5 kg Total heat produced = 180,000 kJ Heat produced by burning 1 kg of fuel = 180,000 kJ/4.5 kg = 40,000 kJ/kg. So, calorific value of fuel = 40,000 kJ/kg.
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