Multiple choice general knowledge science & technology

What is the energy density of petrol.

  1. 10 MJ/kg

  2. 25 MJ/kg

  3. 45 MJ/kg

  4. 120 MJ/kg
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Petrol (gasoline) has an energy density of approximately 45 MJ/kg, making it an efficient fuel for transportation. Option A (10 MJ/kg) is too low, option B (25 MJ/kg) is closer but still low, and option D (120 MJ/kg) is more characteristic of hydrogen or nuclear energy sources.

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