How wet chemicals extinguish fires. For a fire or combustion to occur, there are three things that must be present to make it start and stay burning. These three things include heat, fuel and oxygen. When one of the three components of a …
A wet chemical extinguisher is specifically designed for kitchen fires and consists of a liquid extinguishing agent that suppresses the fire and keeps it from igniting further. Hence, it is important to know the wet chemical fire extinguisher use so …
How Does A Wet Chemical Fire Extinguisher Work?
Wet chemical fire extinguisher colour. Turn off the source of heat if safe to do so. Hold the lance at arm’s length, well above the fire with its …
People Also Ask how does wet chemical extinguish a fire
How to use a wet chemical fire extinguisher?
How to use a wet chemical fire extinguishers: The wet chemical must be applied using the extended applicator or lance in slow circular movements, giving a gentle, yet thorough application in fine spray form, covering and emulsifying the burning cooking oil or fat to prevent re-ignition.
What is the function of the fire extinguisher?
In summary, this extinguisher acts in two ways: 1 It produces mist which cools the fire and lowers the temperature to stop the fire spreading, also prevents splashing of… 2 The potassium salts react with the hot oil and causes the process of saponification, coating the surface of the cooking… More …
How do you apply a wet chemical to a gas burner?
The wet chemical must be applied using the extended applicator or lance in slow circular movements, giving a gentle, yet thorough application in fine spray form, covering and emulsifying the burning cooking oil or fat to prevent re-ignition.
What type of fire extinguisher do you use for cooking oil?
Generally, wet chemical extinguishers are suitable for use on Class A & F Fires. The class A and F fires are fires involving cooking oils and fats (Class F fires), such as lard, olive oil, butter, vegetable oil, and on flammable solids (Class A), such as papers, woods, plastics, etc,
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Wet Chemical Fire Extinguisher – Why you need one? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher