Question

If you see someone on fire immediately, we wrap a blanket around the person
and ask the person to roll on the ground. Why is it done?

Answer 1

Answer:

As the fire blanket completely surrounds the person whose clothes caught fire, it seals the person's body surface around the fire and cut's off the oxygen supply to the fire, thereby putting it out. Hence fire blanket acts as a fire extinguisher and stops the fire from spreading.

Explanation:

If you clothes catch fire:

• STOP immediately where you are.
• DROP to the ground.
• ROLL over and over and back and forth, covering your face and mouth with your hands (this will prevent flames from burning your face and smoke from entering your lungs). ...
• COOL the burn with cool water for 10-15 minutes.
• CALL a grown-up for help.

Answer 2

Answer:

That is done because if wrap the blanket around the person then the flow of oxygen to the fire will stop thus extinguishing the fire....

The same happens when you roll on the floor with the blanket....

Hope this helps you..

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Sorry for spelling mistakes..