According to How Stuff Works, fire extinguishers use carbon dioxide to displace the oxygen necessary for a fire to burn, extinguishing the blaze. Fires need oxygen, fuel, and heat to ignite, and removing any one of those three components can put out a fire. Carbon dioxide extinguishers work because carbon dioxide molecules are heavier than oxygen …
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.
Score: 4.3/5 (43 votes) . Carbon dioxide extinguishers are filled with non-flammable carbon dioxide gas.The CO2 fire extinguisher can be easily identified by its hard horn and lack of pressure gauge. The pressure in the extinguisher is so extreme that bits of dry ice may shoot out of the horn when discharged.
People Also Ask why do fire extinguishers contain carbon dioxide
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.
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.
What are the effects of high CO2 levels in a fire?
According to the Environmental Protection Agency, in an enclosed space that has been subject to fire suppression, the typical resulting concentrations of CO2 of 17 percent or more can cause loss of function, unconsciousness and death within a minute; lower concentrations can cause confusion, dizziness, headaches and nausea.
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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