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 (i.e., no means of escape), or otherwise requires the expertise of a fire brigade.
A fire extinguisher is an external fire safety system useful to extinguish or control minor fires, often in emergency cases. It is not for use in an out-of-control fire, such as where the fire has reached the ceilings, endangering the customer (i.e., no escape route, smoke , explosion hazard, etc.) or otherwise requires the skills of a fire brigade.
Fire Extinguisher – Need, Working, and Important Types
The Fire department officials generally use fire extinguishers to extinguish the fire depending on its severity and magnitude. The Fire extinguisher is a device used by the fire brigade personal to control fire. According to the concept of the fire triangle, for the generation of fire, we need three things to be present simultaneously.
Class A Extinguishers are used on fires in ordinary combustible materials such as water, cloth, paper, etc. They are typically water-based fire extinguishers. Class B Extinguishers are used on flammable liquid fires, such as petroleum or oil-based products.
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What type of fire extinguisher do we use to control fire?
In such cases, we generally use a soda-acid fire extinguisher or a CO 2 fire extinguisher which cuts off the supply of oxygen to extinguish the fire. To learn more about different fire extinguishers and other ways of controlling fire, download BYJU’S – The learning App.
How does the fire department use fire extinguishers?
The Fire department officials generally use fire extinguishers to extinguish the fire depending on its severity and magnitude. The Fire extinguisher is a device used by the fire brigade personal to control fire. According to the concept of the fire triangle, for the generation of fire, we need three things to be present simultaneously.
Why can’t we use water fire extinguishers to control fire?
Furthermore, the water vapours generated block the supply of oxygen to the fuel surface, thereby decreasing the supply of oxygen to it. We cannot use water fire extinguishers in all the cases to control fire. For example, in the case of electrical fires and fire produced by inflammable substances.
What does class a mean on a fire extinguisher?
Class A Extinguishers will put out fires in ordinary combustibles, such as wood and paper. The numerical rating for this class of fire extinguisher refers to the amount of water the fire extinguisher holds and the amount of fire it will extinguish.
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TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher