Question:
Which one of the following has the highest calorific value?
(a) Kerosene
(b) Biqgas
(c) LPG
(d) Petrol
Solution:
(c) LPG has the highest calorific value, i.e. 55000 kJ/kg.
It means that if 1 kg of LPG is burnt completely, then it will produce 55000 kilojoules of heat energy.
Note
Calorific value
45000 kJ/kg 35000 to 40000 kJ/kg 45000 kJ/kg
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