Question

what is the principle of fire extinguishing?
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Answer 1

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Fire extinguishing works on the principle of cutting off the supply of oxygen to the fire and bringing down the temperature.

Answer 2

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✒ Principle of Fire Extinguishing

• Fire extinguishing works on the principle of cutting off the supply of oxygen to the fire and bringing down the temperature.
• Fire in the process industry causes more serious accidents than explosion or toxic release.
• Although the accidents in which the greatest loss of life and damage occurs are generally caused by explosion or toxic release.
• Fire is a serious hazard.
• It is the first of the major hazards in process plants.

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-: Additional Information :-

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✒ Types of Fires and How to Extinguish Them ?

• Class A Fires – Extinguish with Water.

• Class B Fires – Extinguish by Depleting Oxygen.

• Class C Fires – Extinguish by Cutting Power.

• Class D Fires – Extinguish with Dry Powder Agents.

• Class K Fires – Extinguish with Chemical Fire Extinguishers.

✒ About Fire Extinguisher

• A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations.
• It is not intended for use on an out-of-control fire, such as one which has reached the ceiling, endangers the user.
• Or otherwise requires the expertise of a fire brigade.
• There are two main types of fire extinguishers: stored-pressure and cartridge-operated.
• In stored pressure units, the expellant is stored in the same chamber as the firefighting agent itself.

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