Multiple choice general knowledge science & technology

What is the flame velocity of methane air mixture.

  1. 10 cm/s

  2. 40 cm/s

  3. 1 m/s

  4. 4 m/s
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The flame velocity of a methane-air mixture is approximately 40 cm/s. This is a characteristic property of methane combustion in air at standard conditions. Option A (10 cm/s) is too slow, while options C and D (1 m/s and 4 m/s) are an order of magnitude too fast.

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