How do fire extinguishers work? Inside, a fire extinguisher is quite like a giant aerosol can, often with two different substances inside.One of them is a solid, liquid, or gas substance for fighting the fire. The other one is called a propellant and is a pressurized chemical that makes the fire-fighting substance come out when you press the extinguisher handle.
All fire extinguishers work on the basic principle of removing any of the three basic elements needed for combustion—oxygen, heat or fuel. Since their creation two centuries ago, fire extinguishers have played an integral part in saving lives …
What does a Fire Extinguisher do? Role & Responsibilities
What does a Fire Extinguisher do? A firefighter is responsible for protecting the public in various dangerous situations. They are responsible for ensuring that a fire is put out as well as responding to other emergency situations. A few of the main duties of a firefighter are developing performing CPR, providing emergency services, responding …
The purpose of a fire extinguisher is to break this process by removing or blocking one of these three elements. 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.
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Which fire extinguisher is best?
Fire class Fire extinguishers are sorted by “fire class,” which is designated by letters A, B, and C. Typically, the best option for household use is an ABC extinguisher that can combat all types of fire, but if you are looking for a product to put in a specific location, such as the kitchen or garage, you might want one that is …
What is the importance of a fire extinguisher?
Make sure everyone knows about the fire and try to get everyone in the area to safety.Know your situation, what’s burning and make sure you have an escape route if you’re not able to contain it. …Before you start dial 911 and ask for the fire department, or have someone do it for you while you deal with the fire – make sure you give the …
What is the function of a fire extinguisher?
What Does Fire Extinguisher Mean? Fire extinguishers are portable devices used to extinguish small fires or reduce their destruction before firefighters arrive at the scene. These are kept handy at places, namely fire points, in buildings, factories, public paces or transportation.
What are disadvantages of fire extinguishers?
DISADVANTAGES. – Can only be used once. – Cannot erase electric fire. – Cannot remove class A, C and D fire. – If the mixing of the chemical is incorrect, the foam cannot effectively remove the fire. – Not suitable for use with dry powder fire extinguisher as the powder breaks the foam. This is an article that I convey about the kind, the …
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How Fire Extinguishers Work Video Answer