WBCS.LIVE practice question

Why is water not suitable for putting out a petrol fire?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. The oxygen content of water is isolated by petrol and thus it helps in burning.
  2. Petrol is too inflammable to be extinguished by water.
  3. The heat required for combustion of petrol is very low.
  4. Water, being heavy, slips below petrol which thus remains in contact with air and burns.

Correct answer and explanation

Correct answer: Water, being heavy, slips below petrol which thus remains in contact with air and burns.