Carbon dioxide fire extinguishers, when used in the right circumstances can save lives. However, it would be dangerous to use a carbon dioxide fire extinguisher when dealing with flammable gases, cooking oils and fats, or in a …
CO2 Fire Extinguisher Dangers: CO2 extinguishers should not be used on fires involving solid materials, such as paper, wood and fabric, and also are not suitable for use on flammable gases. … lithium, plutonium and calcium, with the most common Class D fires involve magnesium and titanium. What fires can you not put out with water? Water does …
Which extinguisher should you not use to put out a flammable …
Carbon Dioxide (CO2) Extinguishers CO2 extinguishers are predominantly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms. They also put out Class B fires ( flammable liquids , such as paint and petroleum).
The reaction of magnesium metal (Mg) with carbon dioxide is extremely exothermic (heat evolving). In other words, carbon dioxide makes magnesium metal burn. It’s not just carbon dioxide. Just about any gas that contains oxygen enables magnesium to continue to burn because magnesium is strongly reducing enough to pull oxygen out of the gas molecules, …
People Also Ask should you use a co2 fire extinguisher on magnesium flame
Are carbon dioxide fire extinguishers safe?
Carbon dioxide fire extinguishers, when used in the right circumstances can save lives. However, it would be dangerous to use a carbon dioxide fire extinguisher when dealing with flammable gases, cooking oils and fats, or in a confined space.
What happens to the carbon dioxide in a fire extinguisher when discharged?
Higher pressure – When discharged, the carbon dioxide in the extinguisher turns from liquid into gas.
Why does magnesium burn with carbon dioxide?
It’s not just carbon dioxide. Just about any gas that contains oxygen enables magnesium to continue to burn because magnesium is strongly reducing enough to pull oxygen out of the gas molecules, displacing the other element. The reaction with carbon dioxide given by MaxW is typical.
What is a Class D fire extinguisher used for?
Special fire extinguishers, labeled Class D and containing dry powders that displace oxygen without generating other combustion reactions, are to be used to put metal fires out. Thanks for contributing an answer to Chemistry Stack Exchange!
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Fire and Flame 38 – Magnesium Burning in CO2 Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher