In extinguishing Class F fires, wet chemicals work by covering the flammable liquid using a blanket of foam. This foam blanket then forms a crust on top of the fat or cooking oil. As a result, the oxygen supply to the other elements of …
How To Use A Wet Chemical Fire Extinguisher With the large wet chemical extinguisher on the ground a safe distance from the fire, remove the safety …
How Does A Wet Chemical Fire Extinguisher Work?
Hold the lance at arm’s length, well above the fire with its nozzle at least 1 Metre away from the fire. Holding the lance still, discharge so that the …
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How do wet chemicals work to extinguish a fire?
In extinguishing Class F fires, wet chemicals work by covering the flammable liquid using a blanket of foam. This foam blanket then forms a crust on top of the fat or cooking oil. As a result, the oxygen supply to the other elements of combustion is cut off.
How do you use a chemical fire extinguisher?
With the large wet chemical extinguisher on the ground a safe distance from the fire, remove the safety pin and break the tamper seal. Holding the lance at arm’s length with the end hovering directly over the flames, aim the nozzle downwards onto the flames.
What color is a wet chemical fire extinguisher?
Wet chemical fire extinguisher colour This type of fire extinguisher has a YELLOW coloured label stating ‘Wet Chemical’. According to the British standard, the main body of this extinguisher should be Red, and they should have a Large Yellow Banner across the top on the front of the extinguisher with Red writing stating “Wet Chemical”.
Do you need a wet or dry fire extinguisher?
It is highly recommended that school, restaurant and hotel kitchens have a wet chemical extinguisher on hand in case of a fire started by burning oil. The first feature that distinguishes itself from other fire extinguishers is that the hose, on the larger models, has a long pipe attached.
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How to Safely Put Out a Kitchen Fire Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher