A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. It is not intended for use on an out-of-control fire, such as one which has reached the ceiling, endangers the user (i.e., no escape route, smoke, explosion hazard, etc.), or
The first fire extinguisher of which there is any record was patented in England in 1723 by Ambrose Godfrey, a celebrated chemist at that time. It consisted of a cask of fire-extinguishing liquid containing a pewter chamber of
How to Use a Fire Extinguisher: 14 Steps (with Pictures) – wikiHow …
…
…
People Also Ask how does a fire extinguisher work wikipedia
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.
How do fire extinguishers break acid vials?
Depending on the type of extinguisher, the vial of acid could be broken in one of two ways. One used a plunger to break the acid vial, while the second released a lead stopple that held the vial closed. Once the acid was mixed with the bicarbonate solution, carbon dioxide gas was expelled and thereby pressurized the water.
How is fire extinguishing performance displayed?
Fire extinguishing performance per fire class is displayed using numbers and letters such as 13A, 55B. EN3 does not recognise a separate electrical class – however there is an additional feature requiring special testing (35 kV dielectric test per EN 3-7:2004).
How does a dry chemical extinguish a fire?
Dry chemical This is a powder-based agent that extinguishes by separating the four parts of the fire triangle. It prevents the chemical reactions involving heat, fuel, and oxygen, thus extinguishing the fire. During combustion, the fuel breaks down into free radicals, which are highly reactive fragments of molecules that react with oxygen.
People Also Searches how does a fire extinguisher work wikipedia
| what is a fire extinguisher |
| working of fire extinguisher |
| fire extinguishers information |
| what do fire extinguishers do |
| types of fire extinguishers |
| what is extinguisher |
| function of fire extinguisher |
| explain fire extinguisher |
How Fire Extinguishers Work Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher