Answer (1 of 3): CO2 extinguishers are used. They are only suitable for certain types of fire. They are pretty good at putting out fires in a deep fat fryer, for example, when you can’t use water, and cause little or no collateral damage (but the fire can re-ignite). If you use dry powder on a fa…
Class B fires that can be extinguished with a carbon dioxide extinguisher include flammable liquids and gases, solvents, oil, greases (excluding cooking oils/greases), tars, oil-based paints and lacquers. Class C fires, which involve energized electrical equipment, can also be extinguished with CO2. CO2 displaces the oxygen to extinguish the fire.
CO2 Fire Extinguisher: How it works and limitations
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.
Answer (1 of 14): Even if you are successful in putting out the flames the smouldering coals in the wood will reignite as soon as the CO2 dissipates.
People Also Ask why cant i use a co2 fire extinguisher
Why is CO2 more suitable for fire extinguishers?
Why Is Carbon Dioxide Used in Fire Extinguishers?Properties. CO2 is a colorless and, in normal concentrations, odorless gas. …Classes of Fire. Fires are classified by the type of material that’s burning. …CO2 as a Fire Extinguishant. …CO2 Fire-Suppression Systems. …Health Risks From CO2. …
What are the fire extinguishers CO 2 used for?
What are different Colour fire extinguishers used for?Carbon Dioxide (CO2) – Black.Foam – Cream.Powder – Blue.Water (including Water Mist) – Red.Wet Chemical – Yellow.
How can someone use a carbon dioxide fire extinguisher?
What are the five basic fire safety practices?Check that all smoke and fire alarms are functioning properly. Ideally, you should test your fire alarms once a month and replace batteries twice a year.Have an actionable fire plan.Never leave a room with an open flame.Have at least one fire extinguisher.Embrace the cliché—Stop, Drop, and Roll.
Do you use CO2 to extinguish liquid fire?
CO2 fire extinguishers are safe for use on flammable liquid and electrical fires. They are NOT for use on wood, paper or fabric fires. They are also NOT suitable for cooking fires that involve oil and grease (such as chip pan fires) as the extinguisher could end up blasting the flames into surrounding areas.
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Applications and Advantages of CO2 Fire Extinguishers Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher