How do fire extinguishers work? Water extinguishers. A water extinguisher is like a giant water pistol, but instead of using pressure from your …
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.
How Does a Fire Extinguisher Work? – SelectSafety.net
Heat. 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.
Learning how to use the fire extinguisher is very important. There are four simple steps that must be followed. First, pull the pin that is on top of the extinguisher. Next, aim the nozzle at the base of the fire, not at the flames themselves. This is important because you need to take away the source of the fuel.
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How does a fire extinguisher work?
Every fire-fighting technique you can think of involves removing heat, oxygen, or fuel—sometimes more than one of those things at the same time. Fire extinguishers work by removing heat, air, or both.
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 does a fire extinguisher look like?
Most of the extinguisher is filled with water (blue). A tube runs right up the inside of the tube to a nozzle outside (gray). The nozzle often ends in a piece of bendy plastic so you can easily direct it toward the base of a fire. To operate the extinguisher, you pull the ring and press the handle.
How do you use a plastic fire extinguisher?
The nozzle often ends in a piece of bendy plastic so you can easily direct it toward the base of a fire. To operate the extinguisher, you pull the ring and press the handle. Pressing the handle opens a valve (shown here as a green arrow) that releases the pressurized gas from the canister.
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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