It also prevents oxygen from reaching the fuel. Most fire extinguishers work by separating the fuel from the oxygen. The oxygen comes from the air. It is the same oxygen we breathe. Since the oxygen has to be in contact with the fuel, if you can coat the fuel with something that keeps the oxygen away, the fire will go out. Young firefighters practicing putting out fire with water. …
Once this happens, the fire will either extinguish immediately or burn out. To remove heat, a fire extinguisher can smother the fire. To remove oxygen, the fire extinguisher can smother it as well. Fuel will not be removed by a fire extinguisher and may need to be physically removed or just burn out. Modern fire extinguishers are made of a metal cylinder …
How do fire extinguishers work? – Explain that Stuff
2) Dry powder extinguishers soak up heat, melt on the fuel, and cut off oxygen, but they also neutralize the fuel (cutting it off from the fire). 3) …
It also prevents oxygen from reaching the fuel. Most fire extinguishers work by separating the fuel from the oxygen. The oxygen …
People Also Ask how do fire extinguishers put out fires fuel oxygen
How does a fire extinguisher work?
Most fire extinguishers work by separating the fuel from the oxygen. The oxygen comes from the air. It is the same oxygen we breathe. Since the oxygen has to be in contact with the fuel, if you can coat the fuel with something that keeps the oxygen away, the fire will go out.
Why does throwing water on a fire extinguisher put it out?
That is why throwing water on a fire puts it out. When water hits fire it boils, turns to steam and floats away, taking some heat with it. It also prevents oxygen from reaching the fuel. Most fire extinguishers work by separating the fuel from the oxygen. The oxygen comes from the air. It is the same oxygen we breathe.
How do you put out a fire?
Fire is a chemical reaction between oxygen and the fuel. If you want to put out a fire, just get rid of one of those three things – fuel, oxygen or heat. Removing the fuel is easy when the fire is controlled. For example, when you shut off the gas valve on a propane grill, the fuel stops flowing and the fire goes out.
Why is carbon dioxide used as a fire extinguisher?
So carbon dioxide removes two out of the three things you need to have a fire. And, unlike water, carbon dioxide doesn’t conduct electricity, so it is good for electrical fires. The biggest danger in using carbon dioxide is suffocation in enclosed spaces.
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How Fire Extinguishers Work Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher