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.
Class A . Fires involving flammable liquids such as gasoline, paint, diesel fuel or solvents fire extinguishers back . Class B on its mounting . Fires started in electrical equipment by arching or overheating . Class C . Fires involving combustible metal powders, flakes or shavings . Class D . Smart Safety Rules . Stand 6 to 8 feet away from the fire
Classes of Fires & Fire Extinguishers – UCLA Health
Worksheets are Fire extinguisher safety training handout, Osha training toolbox talk, Activity 1, Extinguisher training, Fire safety awareness workbook, Laboratory safety work, Fire, Bushfire lesson plan. *Click on Open button to open and print to worksheet. 1. Fire Extinguisher Safety Training Handout. 2.
People Also Ask which class of fire extinguisher worksheet
Which fire extinguisher is best?
Fire class Fire extinguishers are sorted by “fire class,” which is designated by letters A, B, and C. Typically, the best option for household use is an ABC extinguisher that can combat all types of fire, but if you are looking for a product to put in a specific location, such as the kitchen or garage, you might want one that is …
How to use fire extinguisher correctly?
Using a fire extinguisherPull: Pull the pin, this will break the tamper seal.Aim: Aim low, pointing the nozzle or hose at the base of the fire. …Squeeze: Squeeze the handle to release the extinguishing agent.Sweep: Sweep from side to side at the base of the fire, the fuel source, until the fire is out.
What happens if a fire extinguisher is overcharged?
When and why do fire extinguishers need to be recharged?Fire extinguishers need to be recharged immediately after each use. …Fire extinguishers need to be recharged periodically throughout their life, even if they haven’t been used. …Extinguishers can also need to be internally examined or recharged due to damage or other environmental factors that may result in them becoming depressurized.
How do you extinguish fire using fire extinguisher?
Part 3 of 3: Using a Fire Extinguisher SafelyGet everybody out first. You shouldn’t try to tackle a fire on your own with a fire extinguisher unless you know everybody else is safely out of the building.Use a fire extinguisher for small, contained fires only. Fire extinguishers are not meant to fight large or growing fires.Evacuate a room that’s filled with smoke. …
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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