Question

) In an experiment 4 kg of a fuel was completely burnt. The heat produced was measured to be 120,000
kJ. Calculate the calorific value of the fuel.

Answer 1

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. So, calorific value of fuel = 40,000 kJ/kg.

Answer 2

Answer:

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