Write the conditions required for controlling fire. Write the llprinciples used to control fire from soda acid type fire extinguisher.
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The method of extinguishing a fire are
I)Removing the combustible substance
ii)Cutting of the supply of air
iii)Cooling the substance to below its ignition temperature
The simplest fire extinguisher is the soda - acid type fire extinguisher. In this the property of acid you liberate carbon dioxide on reacting with carbonates and bicarbonates of metal is utilized. As the gas carbon dioxide is evolved with brisk effervescene, it extinguishes the fire when released over it
I)Removing the combustible substance
ii)Cutting of the supply of air
iii)Cooling the substance to below its ignition temperature
The simplest fire extinguisher is the soda - acid type fire extinguisher. In this the property of acid you liberate carbon dioxide on reacting with carbonates and bicarbonates of metal is utilized. As the gas carbon dioxide is evolved with brisk effervescene, it extinguishes the fire when released over it
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