How do you extinguish a Class B fire? One method of fire combat which should not be used in the event of a Class B fire is a water fire extinguisher. This is because a lot of flammable fuels have a specific gravity of less than 1.0 – such as gasoline or oil – and this means they will float along the surface of the water.
It’s very important to keep in mind not to use a water extinguisher on a Class B fire since the stream of water might spread the flaming material rather than extinguish it. Class B fires should be extinguished using foam, powder, water mist or carbon dioxide extinguishers, according to the Fire Equipment Manufacturer’s Association.
Class B Fire Extinguishers: Combustible Gases and Liquids
When fighting a Class B fire, do not use water. In many cases, water will only spread the fuel around and create more fire. To extinguish a Class B fire, …
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How do you extinguish a Class B fire in a house?
To extinguish a Class B fire, you want to cut off the oxygen. You can use carbon dioxide gas to dilute the oxygen available and stop the burning. Smothering the fire with bicarbonate (baking soda) or potassium carbonate will also work.
Are fire extinguishers rated for Class B fires?
Of course, having a fire extinguisher that is equipped to deal with class B fires is certainly ideal, especially in a workplace environment vulnerable to Class B fires. When looking at fire extinguishers for your workplace, you want to make sure they that are rated for fighting class B fires.
What happens if you extinguish a fire with the wrong methods?
If you extinguish fires using incorrect methods, you could end up making the fire worse. There are five different classes of fires, and a different letter is used to identify each one: Class A, B, C, D, and K.
What do you need to have a Class B fire?
In order to have a fire, you need fuel, oxygen, heat and a chemical reaction. The only difference is the fuel. The fuel for a Class B is a combustible gas or liquid. Any of the following may be the fuel source for a Class B fire: These materials are typically found in lacquers, solvents, oils, and oil-based paints.
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher