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.
When a Class B fire sparks, extinguish it by smothering the flames. Oppressing the fire eliminates the oxygen feeding the flames, and, thereby, deadens the fire. Dry chemicals, like ammonium phosphate or pressurized carbon dioxide are effective means to extinguish a Class B fire. Never attempt to extinguish a Class B fire with water.
Class B Fires: How to Fight Them – Fire Extinguisher: 101
It is important to use a proper fire extinguisher on Class B fires. Using a Class A fire extinguisher on a Class B fire can actually make the fire spread and cause you to injure yourself. There are, however, certain chemical fire extinguishers that have the ability to put out both Class A and Class B fires. Such fire extinguishers are filled with powder or foam and …
People Also Ask how to extinguish a class b fire
What kind of fire are Class B extinguishers best for?
You have a number of different options when it comes to Class B fire extinguishers:There are CO2 extinguishers that contain this compressed gas. …Dry chemical extinguishers contain an extinguishing agent and a compressed non flammable gas to propel the extinguishing agent over the fire.Halon fire extinguishers have been discontinued due to environmental concerns. …
What extinguisher can be used for Class B?
What are the most common causes of fire in the workplace?Faulty Electrics. Faulty electrics are the biggest cause of workplace fires, loose wires, plugs that are over loaded and old equipment can all make for a potential death trap.Flammable and Combustible Materials.Human Error.General Negligence.Arson.
How should a Class B fire be extinguished?
Gasoline and dieselEthanol and methanolIsopropanolAcetoneAcetyleneMethaneButanePropane
Which fire extinguisher to use for which class of fire?
Class B Fire Extinguishers. Class B fire extinguishers put down fires that start from flammable liquids and gases. These include oils, fuels, kitchen grease, solvents, and oil-based paints. This makes this type of extinguisher good for use in homes, offices, and workshops.
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How To Extinguish a Fire (Class A and B) Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher