Carbon dioxide is the most commonly used gas for extinguishing fires. Hence, Option 3 is correct. Sodium bicarbonate is used to release a cloud of Co2, especially in class A and class B fires, thus releasing the oxygen and smothering the fire; Carbon dioxide is an acidic colorless gas with a density about 53% higher than that of dry air.
Carbon dioxide is the most commonly used gas for extinguishing fires. Hence, Option 3 is correct. Sodium bicarbonate is used to release a cloud of Co2, especially in class A and class B fires, thus releasing the oxygen and smothering the fire. Carbon dioxide is an acidic colorless gas with a density about 53% higher than that of dry air.
Which gas is used in fire extinguishers? – Quora
Normally Carbon Di Oxide ( CO2) and Dry Nitrogen gas are used as a propelling agent in fire extinguishers. Normal air can also be used for pressurising an extinguisher and as a propellant. Extinguishing Agent. CO2 gas is used as an …
Many gases can be used to extinguish fire, but carbon dioxide is used in many fire extinguishers, as an agent and nitrogen is used as a propellant. Sulphur hexafluoride is sometimes used to snuff…
People Also Ask which gas used to extinguish fire
Which gas is used in a fire extinguisher?
The correct answer is Carbon dioxide. Carbon dioxide extinguishers work by displacing oxygen or taking away the oxygen element of the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well.
Which type of fire extinguisher is the cleanest?
A carbon dioxide fire extinguisher (CO2) is one of the cleanest types of extinguishers to use as it leaves no residue and requires no cleanup. The CO2 extinguisher does exactly that – extinguishes CO2.
What is a CO2 fire extinguisher used for?
CO2 extinguishers, also known as carbon dioxide fire extinguishers, are primarily used for electrical fires and often paired with foam extinguishers. CO2 extinguishers are normally used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms.
What are the different types of fire extinguishers?
There are two types of extinguishers: The dry chemicals that we usually have at home, and, those that use exclusively CO2 in the form of gas to cool the fire and prevent it from expanding.
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why Carbon dioxide is used in fire extinguisher? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher