Foam: These extinguishers work on both Class A and B fires. The foam agent works on Class B fires by separating the fuel and the oxygen by creating a seal on the surface of the flammable liquid. However, these extinguishers will only be effective when the flammable liquid is not free-flowing.
Extinguishers Used To Put Out Class B Type Fire Foam Fire Extinguishers. This fire extinguisher is usually used for fires caused by various organic materials including wood, coal, textiles, fabrics, cardboard and paper as well as flammable liquids including petrol and paint.
What is Class B Fire Extinguisher Used For?
Class B Fire Extinguisher Used For? A fire involving flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers is called type B fire, and the Extinguisher used to extinguish this fire is known as a Class B Fire Extinguisher. The correct fire extinguisher can make a difference in the safety of your home and your property.
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. Class B extinguishers are rated based on the number of square feet of fire they can suppress.
People Also Ask what is the purpose of a class b fire extinguisher
How does a Class B fire extinguisher work?
There are a variety of fire extinguisher types designed to accomplish this very task specifically on Class B fires: CO2: A carbon dioxide fire extinguisher works on a Class B fire by expelling CO2 to suffocate the fire, removing the oxygen necessary to keep it burning. It also helps with removing the heat, as the discharge is very cold.
What are the different types of fires that extinguishers are designed to fight?
There are different types of fires that extinguishers are designed to fight. These include: Class A – a fire started with normal combustibles such as wood, paper, and cloth. Class B – a fire started with flammable and combustible liquids and gases such as gasoline and paints.
What is a Class C fire extinguisher?
Class C fire extinguishers are designed to put out electrical fires originating from live wires, circuit breakers, machinery, and appliances. The extinguisher sprays materials that inhibit the conduction of electricity.
What type of fire extinguisher is best for a B fire?
Dry Chemical: Dry chemical extinguishers, whether regular or multipurpose models are classified for B fires as their agent extinguishes a fire by interrupting the chemical reaction of the fire triangle. These extinguishers have a better range, as they use a compressed, non-flammable gas that can propel the dry extinguishing agent further.
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TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher