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. weakiva/SHutterstock.com Cool gas
Extinguishers filled with a fine inert powder pressurized with nitrogen, which are often called “Dry Chemical” extinguishers, work by “smothering” the fire, much like throwing a blanket over a small fire can also smother it out. These “combination” extinguishers are typically rated for Class A and B fires, as well as Class C electrical fires, and are the type seen most …
How do fire extinguishers work? – Explain that Stuff
1) Water extinguishers work mainly by cooling (removing heat), but a dense spray of water droplets also helps to cut off oxygen. 2) Dry powder …
These fire extinguishers can be used to put out fires caused by flammable liquids like gasoline and paint, as well as organic materials like wood, coal, textiles, fabrics, cardboard, and paper. This fire extinguisher should not be used to put out fires caused by combustible metals, kitchen fires, or electrical equipment fires.
People Also Ask do fire extinguishers put out fires
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.
Where can I try out a fire extinguisher?
If you want to try out a fire extinguisher, go visit your local fire department or arrange for them to come to your school. They’ll often be happy to oblige. Many fire departments have open days when you can look around, peek inside a fire engine, and even slide down the fire station poles!
What happens when water hits a fire extinguisher?
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.
What is the difference between water and carbon dioxide fire extinguishers?
Carbon dioxide extinguishers. The most noticeable difference between a water extinguisher and one that fires carbon dioxide is the large, black, cone-shaped horn, which allows the carbon dioxide gas to expand, cool, and turn into a mixture of frozen "snow" and gas.
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How to Safely Put Out a Kitchen Fire Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher