Carbon dioxide extinguishers work because carbon dioxide molecules are heavier than oxygen molecules. When the liquid carbon dioxide inside the extinguisher expands into a gas, the carbon dioxide pushes out any oxygen surrounding the fire. Without oxygen available to fuel the chemical reaction, the fire goes out quickly.
As Fire needs oxygen to burn, Carbon Dioxide Covers the fire like an blanket and cuts the contact of fire to the oxygen present in the air, So Fire stops burning. That is why Carbon Dioxide is Considere as the best Fire Extinguisher. Why is CO2 used in fire extinguishers instead of nitrogen? Carbon dioxide is the most commonly used “inert” gas extinguishing …
Why Is Carbon Dioxide Used in Fire Extinguishers? | eHow
Among its many uses, CO2 has the ability to put out flames and is therefore used as the extinguishing agent in both portable and fixed-installation fire extinguishers. An examination of its properties and uses shows why it’s a popular choice for suppression of most, but not all, types of fire.
CO2 fire extinguishers discharge CO2 gas, also known as carbon dioxide. This is stored in the extinguisher as a liquid, and the gas is created under pressure when the handle of the extinguisher is squeezed. This causes the CO2 gas to emerge at great speed, which is why CO2 fire extinguishers are not recommended for chip pan fires – they could literally blast the …
People Also Ask why is carbon dioxide in fire extinguishers
Why is carbon dioxide used in fire extinguishers?
Why Is Carbon Dioxide Used in Fire Extinguishers? Why Is Carbon Dioxide Used in Fire Extinguishers? According to How Stuff Works, fire extinguishers use carbon dioxide to displace the oxygen necessary for a fire to burn, extinguishing the blaze.
Why are fire extinguishers not suitable for chemical fires?
These extinguishers are not suitable for chemical or electrical fires since the liquid can conduct electricity and cause flammable agents to spread. Other extinguishers coat the fuel, forming a barrier between the flammable material and the oxygen in the surrounding air.
What are the pros and cons of a CO2 fire extinguisher?
Pros and Cons of CO2 fire extinguishers: Cons: risk of cold burns if the user holds the extinguisher by the horn; less environmentally friendly than other types of extinguisher; they replace the oxygen in the air with CO2 so risk of asphyxiation if used in confined spaces.
How does a fire extinguisher work?
According to How Stuff Works, fire extinguishers use carbon dioxide to displace the oxygen necessary for a fire to burn, extinguishing the blaze.
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Fire Extinguisher Types | Carbon Dioxide Extinguisher | iHASCO Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher