In the hands of a trained person, portable fire extinguishers are great tools to protect people and property from fire during early stages. When using an extinguisher or selecting an extinguisher to install, it’s important to know the characteristics of different fire extinguishers. This blog will address the different types of fire extinguishers by breaking …
The type of fire extinguisher you need depends on the type of fire you need to put out: Class A Fires – fires caused by combustibles like wood, metal, cloth, paper, rubber, and plastics. Class B Fires – fires caused by flammable liquids like gasoline and grease. Class C Fires – fires caused by energized electrical equipment or wiring.
6 types of Fire Extinguishers and Their Functions – YaleTools
These types of fires require an extinguishing agent that will not react with the burning metal. Most Class D fire extinguishers use a dry powder agent to smother the fire and absorb heat, suppressing the fire. 05. Class K Fire Extinguishers. Class K fire extinguishers are made to combat kitchen fires. Used on cooking fat, grease, and oil fires …
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What types of fire extinguishers are used to extinguish fires caused by gasoline?
The fires caused by gasoline are classed as Class B fires, and the fire extinguishers involved with such fires include the following: CO2 Extinguishers
What is a fire extinguishing agent made of?
The extinguishing agent can be comprised of, but is not limited to, solutions of water and potassium acetate, potassium carbonate, potassium citrate, or a combination of these chemicals (which are conductors of electricity). The liquid agent typically has a pH of 9.0 or less. On Class A fires, the agent works as a coolant.
What type of liquid is used in fire extinguishers?
Water is the primary liquid used in these extinguishers, although sometimes other additives are also included. A drawback for pure water fire extinguishers is that it is not suitable for use in freezing conditions since the water inside will freeze and render the extinguisher unusable.
How does a Class A fire extinguisher work?
For use on Class A fires, the multipurpose agent has the additional characteristic of softening and sticking when in contact with hot surfaces. In this way, it adheres to burning materials and forms a coating that smothers and isolates the fuel from air.
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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