They work by smothering the fire: when you spread a thin layer of foam over a fire, you cut the fuel off from the oxygen around it. Foam …
Fire extinguishers are rated by the type of fire they can put out. Class A extinguishers can put out fires from "ordinary combustibles" such as wood, plastic or paper. Class B can put out burning liquids such as gasoline or …
How to Use a Fire Extinguisher – Step by Step Guide
To use a dry chemical fire extinguisher, first the safety pin must be pulled and then the trigger squeezed. There is an internal gas cylinder release valve that is pierced with an actuading rod that pushes down when the trigger is squeezed. This releases the gas stored in …
People Also Ask how to fire extinguishers work
How to make a simple fire extinguisher?
What You Need:Empty soda bottle5 tablespoons of vinegar1/2 tablespoon of baking sodaTea light candle
Do you know how to properly use a fire extinguisher?
To use a fire extinguisher, start by grabbing the small ring on the handle and pulling on it to remove the pin. Then, aim the hose at the base of the fire and squeeze the 2 levers at the top of the extinguisher together to release the extinguishing agent. Sweep the hose from side to side while continuing to point the hose at the base of the fire.
How to use a fire extinguisher safely and effectively?
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 are the steps to using a fire extinguisher?
technique:PULL … Pull the pin. This will also break the tamper seal.AIM … Aim low, pointing the extinguisher nozzle (or its horn 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 until it appears to be out. Watch the area. …
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How Fire Extinguishers Work Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher