Foundation
Physics Foundation
Sources of Energy
Question
From the following, the fuel having greatest calorific value is
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Solution
Calorific value is the energy released per unit mass when a fuel burns completely. Higher calorific value means more energy.
Among these fuels:
- Biogas: ~25-30 MJ/kg
- Petrol: ~45-48 MJ/kg
- Kerosene: ~43-46 MJ/kg
- Coke: ~28-30 MJ/kg
Petrol has the highest calorific value, providing the most energy per kilogram when burned.
Final answer: Petrol