Multiple choice

Which of the following substances is the best fuel from the point of calorific value?

  1. Oxygen

  2. Hydrogen

  3. Nitrogen

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Calorific value of LPG = 55,000 kJ/kg   Calorific value of biogas = 35000-40000 kJ/kg Calorific value of hydrogen = 1,50,000 kJ/kg

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