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 escape route, smoke, explosion
The first fire extinguisher of which there is any record was patented in England in 1723 by Ambrose Godfrey, a celebrated chemist at that time. It consisted of a cask of fire-extinguishing liquid containing a pewter chamber of gunpowder.
What is a Fire Extinguisher? – Definition from safeopedia
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What is a fire extinguisher?
What is the colour of the fire extinguisher?
The colour of the fire extinguishers classify based on the agents they contain, such as; Foam extinguishers: The label colouring for this type of extinguisher is cream. Water extinguishers: The label colour for this type of fire extinguisher is bright red. Dry powder extinguishers: The label colouring for this type of fire extinguisher is blue.
What are the different types of dry chemical fire extinguishers?
A typical dry chemical extinguisher containing 5 lb (2.3 kg). of monoammonium phosphate dry chemical. An 18 lb (8.2 kg) US Navy cartridge-operated purple-K dry chemical ( potassium bicarbonate) extinguisher. Two Super-K ( potassium chloride) extinguishers. Met-L-Kyl cartridge-operated fire extinguisher for pyrophoric liquid fires.
Why is fire extinguisher not effective on Class A fires?
This agent is not generally effective on class A fires because the agent is expended and the cloud of gas dissipates quickly, and if the fuel is still sufficiently hot, the fire starts up again. While liquid and gas fires do not usually store much heat in their fuel source, solid fires do.
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