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THey must be used on Class B or C fires, they don't leave a corrosive residue which can damage equpiment and is difficult to clean up, and they must be used closer to the fire than other extinguishers.

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Q: Which is true of CO2 extinguishers?
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Why must you be careful when using CO2 extinguishers?

Extremely cold, and displaces oxygen from the air.


Is there Any commercial use for liquid CO2?

Yes, hand held Fire Extinguishers for one.


What does CO2 feel like?

CO2 is a gas, Carbon Dioxide. Under pressure it becomes a liquid (often used in fire extinguishers), so you would feel it then.


What is in fire extinguishers co2 hydrogen nitrogen or oxygen?

Usually CO2. Hydrogen and oxygen are fuels for fire. Nitrogen would work but is not usually used as it is too light.


Are CO2 fire extinguishers toxic?

No, they are not toxic. Some care must be taken, however, because CO2 is a heavy gas and in an unventilated area one could asphyxiate.


Do you use CO2 to extinguish Liquid Fire?

The CO2 or the dry Chemicals can be used to extinguish Liquid Fire, though other extinguishes can be used like halogen extinguishers, BUT the halogen is doesn't help as much as it harms, because it causes a toxic gas, and there is Foam extinguishers they come handy too.


What is MT when describing CO2 fire extinguisher?

It is just the nomenclature used in the models of fire extinguishers of certain Chinese company. MT is used to denote their CO2 fire extiguishers.


What type of fire extinguisher should you use for an electrical fire?

It is the Class C fires that invlove electrically energized equipments, and they are suppressed using CO2 extinguishers or dry chemical extinguishers. Certainly the use of water or water-based extinguishers or other water-based suppression equipment is not to be considered.


What gas is used to put fires?

Carbon dioxide (CO2) is the gas often used to put out fires, especially in fire extinguishers.


How does a fire extinguishers stops a fire?

oxygen is a fuel necessary for flames to exist. when CO2 replaces the oxygen then the flame is unable to be present.


Gas in fire extinguishers?

yes but it is depend on nature of gas whether it is flammable or not.... co2 is fire extinguisher gas widely used ....


Why are fires organized by classes?

There are six classes of fires to define the type of fire, and most importantly, the type of fire extinguisher to use to put out the fire. Here are the fire classes and the types of extinguishers you should use: Class A - Solids (wood, paper, plastic) require water, foam, dry powder, and wet chemical extinguishers. Class B - Flammable liquids (fuel, oil, paraffin) require foam, dry powder, and CO2 gas extinguishers. Class C - Flammable gasses (propane, methane, butane) require dry powder extinguishers. Class D - Burning metals (aluminum, magnesium, titanium) require dry powder (M28/L2) extinguishers. Class E - Electrical items require dry powder or CO2 gas extinguishers. Class F - Cooking oils and fats require wet chemical extinguishers.