Question

4.Explain how carbon dioxide is able to control fire ?​

Answer 1

CO2 is able to control fires because CO2 being heavier than oxygen, covers the fire like blanket and also brings down the temperature of fuel. Since, contact between the fuel and oxygen is cut off the fire comes under control.

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Answer 2

Carbon dioxide extinguishes 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.

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