During an experiment a certain mass of a fuel was burnt completely to produce
11,00,000kJ of heat. If the calorific value of fuel is 55,000kJ/kg. Find the mass of the fuel
used up in the experiment.
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The heat produced was measured to be 180,000 kJ. Calculate the calorific value of the fuel. Answer: 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.
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