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.
How Fire Extinguishers Work At the top of the cylinder, there is a smaller cylindrical container filled with compressed gas. A release valve acts as a locking mechanism and prevents this gas from escaping. When you pull the safety pin and squeeze the lever, the lever pushes on an actuating rod that presses the valve down to open a passage to …
How do fire extinguishers work? – Explain that Stuff
Fire extinguishers work by removing heat, air, or both. Artwork: You need to to take away one or more of heat, air (oxygen), or fuel to break …
You get four types of fire extinguishers and four types of fires. Each extinguisher is used for a specific kind of fire. Fires need three elements to survive; fuel, oxygen, and heat (ignition source). A fire extinguisher works by removing one of these elements to eliminate the fire.
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How do fire extinguishers work?
Fire extinguishers are designed to remove one of these elements by applying an agent that either cools the burning fuel, or removes or displaces the surrounding oxygen. You can read more details on fire extinguishing agents here. Fire extinguishers contain either water or a smothering material, such as CO2.
How do fire extinguishers remove Flames?
Flames need fuel, oxygen and heat in order to burn. Fire extinguishers are designed to remove one of these elements by applying an agent that either cools the burning fuel, or removes or displaces the surrounding oxygen. You can read more details on fire extinguishing agents here.
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.
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!
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How Fire Extinguishers Work Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher