According to How Stuff Works, fire extinguishers use carbon dioxide to displace the oxygen necessary for a fire to burn, extinguishing the …
Why is CO2 used in fire extinguishers instead of nitrogen? Carbon dioxide is the most commonly used “inert” gas extinguishing agent, followed by nitrogen (Friedman 1992). … However, because carbon dioxide is 1.57 times heavier than nitrogen [44 and 28 molecular weight (MW) , respectively] for a given volume, the two gases have nearly …
Why Is Carbon Dioxide Used in Fire Extinguishers? | eHow
Video of the Day. 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 …
Answer (1 of 3): Pure Oxygen would be and oxidizer and speed up the combustion process, but as Charles stated, "CO2 is not Oxygen". It actually works as if it were an inert gas as it is noncombustible and displaces the Oxygen in the air. You could try breathing CO2, but best to stay away from con…
People Also Ask why is c02 used in fire extinguishers
Why is CO2 used in fire extinguishers?
This gas is essential to life on earth: It’s a vital component of both photosynthesis and cellular respiration. 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.
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.
Can you use CO2 to put out a fire?
CO2 is effective on liquid fires, gaseous fires and electrical fires (American classes B and C and International classes B, C and E). The gas is particularly useful for electrical fires as it’s non-conductive and leaves no trace after its use (as would be the case for foams or other gases).
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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why Carbon dioxide is used in fire extinguisher? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher