Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire-squelching …
What are the 5 Types of Fire Extinguishers? – Vanguard
In extinguishers like this, it’s the composition of the chemical (rather than the mechanical design of the extinguisher) that really counts The …
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What is a fire extinguisher made of?
Foam extinguishers are tanks of water and foam with compressed nitrogen as the propellant. They work by smothering the fire: when you spread a thin layer of foam over a fire, you cut the fuel off from the oxygen around it.
What are the different types of fires that extinguishers are designed to fight?
There are different types of fires that extinguishers are designed to fight. These include: Class A – a fire started with normal combustibles such as wood, paper, and cloth. Class B – a fire started with flammable and combustible liquids and gases such as gasoline and paints.
How do fire extinguishers work?
This process creates a soapy foam on the surface that holds onto the steam and vapors and puts out the fire. This extinguisher removes heat and creates a barrier between oxygen and fuel so a fire cannot be re-ignited. The chemicals are sprayed as a mist, creating a barrier between the oxygen and the fuel and removing the heat.
What gas is used in a water extinguisher?
Water extinguishers A water extinguisher is like a giant water pistol, but instead of using pressure from your finger to fire out the water, it uses pressure from a trapped gas (the propellant). Typically, this is nitrogen or carbon dioxide. A ring or pin on the handle stops the fire extinguisher from being set off by accident.
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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