There are four classes of fires: Class A: Ordinary solid combustibles such as paper, wood, cloth and some plastics. Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering. Class C: Electrical equipment, appliances and wiring in which the use or a nonconductive extinguishing agent prevents injury from electrical shock.
In the case of a fire, it is critical to use the right fire extinguisher for the job. Selecting the wrong one can actually be more dangerous and contribute to hazards like explosions or electrical shocks. Fire extinguishers are sold with class ratings: class A, Class B, and Class C, determined by the contents. Each class is identified with a symbol and pictogram representing the type of …
Classes of Fires & Fire Extinguishers – UCLA Health
AFFF (aqueous film-forming foam) and FFFP (film-forming fluoroprotein) fire extinguishers are rated for use on both Class A and Class B fires. As the name implies, they discharge a foam material rather than a liquid or powder. They …
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What is a Class A fire extinguisher used for?
What kind of fire extinguisher can be used on a small paper fire? Fire extinguishers with a Class A rating are effective against fires involving paper, wood, textiles, and plastics. The primary chemical used to fight these fires is monoammonium phosphate, because of its ability to smother fires in these types of materials.
What is a Class A fire extinguisher made of?
What is a Class A fire extinguisher made of?The Label. Class A – Used with ordinary combustibles, ex – wood.Dry Chemicals. Mono ammonium phosphate – NH6PO4 – used in Class A, B and C fire extinguishers.Wet Chemicals.Halotron.Carbon Dioxide.Metal Powders.
What are the 5 types of fire extinguishers?
“KABSON” Fire Fighter produces a variety of 5 main types of fire extinguisher models, sizes, and types. All of our fire extinguishers are built to strict national (ISI, BIS) and international (CE) specifications. ABC Type, Clean Agent, Carbon Dioxide Type, Water and Foam Type, and many other types are available.
What are the ingredients in a fire extinguisher?
Pull the pin.Aim the nozzle at the base of the fire. Hitting the tops of the flame with the extinguisher won’t be effective.Squeeze the trigger. In a controlled manner, squeeze the trigger to release the agent.Sweep from side to side. Sweep the nozzle from side to side until the fire is put out.
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All fire alarms & extinguishers for chapter 4 – Superliminal Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher