Question

d) On burning 3 kg of fuel X, 1,35,000 kJ of energy is produced. Calculate the calorific
value of the fuel.
bution
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Answer 1

Given :  On burning 3 kg of fuel X, 1,35,000 kJ of energy is produced

To Find : the calorific  value of the fuel.

Solution:

Calorific value of a fuel  is the amount of energy released or produced when 1 kg of fuel burns

SI unit of calorific value  is kJ/kg

On burning 3 kg of fuel X, energy produced =  1,35,000 kJ

=> On burning 1 kg of fuel X, energy produced =  1,35,000/3 kJ

=> On burning 1 kg of fuel X, energy produced =  45,000  kJ / kg

Calorific value of a fuel   X  = 45,000  kJ/kg

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