B. How water helps to stop fire.?
Answers
Water cools and smothers the fire at the same time. It cools it so much that it can't burn anymore, and it smothers it so that it can't make any more of the oxygen in the air explode. You can also put out a fire by smothering it with dirt, sand, or any other covering that cuts the fire off from its oxygen source.
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Hence, water helps in extinguishing fire as water helps in cooling the combustible material so that its temperature is brought below the ignition temperature.
Fire requires fuel, heat and oxygen to burn. Fire extinguishers apply an agent that will cool burning heat, smother fuel or remove oxygen so the fire cannot continue to burn. A portable fire extinguisher can quickly control a small fire if applied by an individual properly trained.
How do you extinguish a fire?
Let's take a look at 5 of the most common methods that we use to put out fires.
Removing oxygen from the system. This particular fire-extinguishing method is mostly used for small, kitchen fires. ...
Sprinkling baking soda or salt. ...
Using water. ...
Using a fire extinguisher. ...
Using wet towels or blankets.