Multiple choice

Which of the following methods cannot be used to extinguish fire?

a. By removing the combustibe substances b. By removing the heat c. By increasing the supply of air to the burning substances

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option as fire cannot be extinguished by increasing the supply of air to the burning substances. It can be extinguished by cutting off the supply of air to the burning substances.

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