As we mentioned before, fire extinguishers are filled with a substance called “fire retardant” which is designed to smother a fire and stop it from spreading. The most common fire retardants used in fire extinguishers are water, foam, dry …
And extinguishers. You need three ingredients to make fire: fuel (like wood or gasoline), oxygen and heat. 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.
What are the 5 Types of Fire Extinguishers? – Vanguard
A fire extinguisher is a tool designed to put out a fire in the home. Many of these devices contain a chemical known as a wet chemical. The substance forms a soapy foam blanket over the burning fuel, which reduces oxygen from reaching it. This chemical is also called a “multipurpose dry chemical.”.
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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.
What is the chemical used in fire extinguishers?
Used on cooking fat, grease, and oil fires, these fire extinguishers usually employ a wet chemical agent composed of potassium to simultaneously cool and suppress the fire. Are there any other types of fire extinguishers?
How to choose the right type of fire extinguisher for your facility?
Choosing the right type of fire extinguisher for your facility comes down to accurately identifying the hazards that are present. It’s good to remember that you may need more than one fire extinguisher, or, you might choose a multipurpose fire extinguisher.
What is a Class A fire extinguisher?
Class A fire extinguishers are safe for use on ordinary combustible fires, like those fueled by paper or wood. There are a number of safe ways to extinguish a Class A fire, so you’ll find a variety of Class A fire extinguisher options available.
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Fire Safety:How to Use a Fire Extinguisher Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher