Is a fire extinguisher a solid liquid or gas

The CO2 in a fire extinguisher is actually in liquid form under pressure (830 psig at room temp) When you release the liquid CO2 the liquid vaporizes as it expands and the latent heat of vaporization cools the liquid & gas causing some of the

This is a powder-based agent that extinguishes by separating the three parts of the fire triangle. It prevents the chemical reactions involving heat, fuel, and oxygen, thus extinguishing the fire. During combustion, the fuel breaks down into free radicals, which are highly reactive fragments of molecules that react with oxygen. The substances in dry chemical extinguishers can stop this process.

MIT School of Engineering | » Is fire a solid, a liquid, or a …

All fires eventually burn themselves out, unlike solids, liquids, and gases, which can exist indefinitely in the same state.”. Most of fire’s energy output is in the form of heat. As the gas mixture warms, it also rises and gives the …

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A fire is not a solid, liquid, or gas. It is a process. You need fuel to make fire, and it goes away from using various techniques. Scientists are trying to figure out why lower temperatures cause fire to extinguish. Sound can also extinguish fire. I think it’s …

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Is carbon dioxide in fire extinguishers a gas or a liquid?

Carbon dioxide in fire extinguishers is stored under high pressure, typically over 55 bar (5.5 MPa), so it is in the liquid phase. But, its critical temperature is 31.1 ⁰C, so, above this temperature it will be either a gas or a supercritical mixture of liquid and gas.

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What are Class A fire extinguishers made of?

These are combustible/flammable liquid fires (B) or electrical (C) fires. Other extinguishers (Class A) may contain water that should not be used CO2 extinguishers contain compressed carbon dioxide gas. When discharged from an extinguisher they displace the oxygen in the fire and cool it as well.

Is fire a solid liquid or gas?

A fire is not a solid, liquid, or gas. It is a process. You need fuel to make fire, and it goes away from using various techniques. Scientists are trying to figure out why lower temperatures cause fire to extinguish. Sound can also extinguish fire. I think it’s interesting that fire is not a solid, liquid, or gas.

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Can water based fire extinguishers be used on flammable liquids?

Water-based extinguishers cannot be used safely on energized electrical fires or flammable liquid fires. 1⁄2 US gal) or 19-litre (5 US gal) non-pressurized metal or plastic container with a pump mounted to it, as well as a discharge hose and nozzle.

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Is fire a solid, a liquid, or a gas? – Elizabeth Cox Video Answer

Is fire a solid, a liquid, or a gas? - Elizabeth Cox

Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher

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