The CO2 gas is heavier than the oxygen in the air so it effectively pushes it out, displacing it from around the fuel which is burning to cause the fire. The fire is extinguished because the oxygen it needs to feed the flames has been replaced by the carbon dioxide gas.
How CO2 fire extinguishers work: 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 – …
CO2 Fire Extinguisher: How it works and limitations – HSEWatch
Carbon Dioxide fire extinguisher works by displacing oxygen from the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well. CO2 extinguisher may be ineffective at extinguishing Class A fires because they may not be able to displace enough oxygen to successfully put the fire out. Where you should not use the …
How does the CO2 put out a fire? As the CO2 gas is expelled it turns into a cloud of dry ice, commonly referred to as "snow". This cloud reduces the amount of oxygen in the air around the fire and smothers it. What are the advantages and disadvantages of CO2 fire extinguishers? CO2 is clean, non-corrosive and leaves no residue on expensive computers and electronic equipment.
People Also Ask how does a carbon dioxide extinguisher put out a fire
How to use a carbon dioxide fire extinguisher?
How To Use A Carbon Dioxide Fire Extinguisher. Direct the CO2 at the base of the fire and move it gradually along the entire area of the flames. This type of fire extinguisher is also effective at tackling fires which involve live electrical equipment so are great for computer servers and similar.
How do fire extinguishers work?
Direct the CO2 at the base of the fire and move it gradually along the entire area of the flames. This type of fire extinguisher is also effective at tackling fires which involve live electrical equipment so are great for computer servers and similar.
How long does it take a CO2 extinguisher to work?
The horizontal range of the CO2 extinguishing stream is limited to a range of 3 to 10 feet. How long will it take to use up the 10 to 15 pounds of CO2? The approximate time of discharge for the 10 to 15 pounds of CO2 ranges from 8 to 30 seconds. Once activated, can a CO2 extinguisher be shut off?
Do CO2 fire extinguishers work on chip pan fires?
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 flames into surrounding areas. Unlike water and foam extinguishers, CO2 fire extinguishers do not work by cooling the fire and so are ineffective on fires…
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Extinguish Fire with Carbon Dioxide experiment Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher