Question

Explain the working of a fire extinguisher​

Answer 1

Answer:  Explanation: Inside, a fire extinguisher is quite like a giant aerosol can, often with two different substances inside. One of them is a solid, liquid, or gas substance for fighting the fire. The other one is called a propellant and is a pressurized chemical that makes the fire-fighting substance come out when you press the extinguisher handle. Next time you see a fire extinguisher, take a good look. Have you noticed that fire extinguishers are always really strong steel canisters? That because the propellant is stored inside at a high pressure. Strong canisters are needed to stop the extinguishers exploding!  A water extinguisher is like a giant water pistol, but instead of using pressure from your finger to fire out the water, it uses pressure from a trapped gas.  A ring or pin on the handle stops the fire extinguisher from being set off by accident. It also acts as a tamper-proof seal: if the ring is broken or missing, you know the extinguisher needs to be checked. Inside the sturdy steel case, there's a canister containing high-pressure gas (orange with blue hashing). Most of the extinguisher is filled with water (blue). A tube runs right up the inside of the tube to a nozzle outside (gray). The nozzle often ends in a piece of bendy plastic so you can easily direct it toward the base of a fire. To operate the extinguisher, you pull the ring and press the handle. Pressing the handle opens a valve (shown here as a green arrow) that releases the pressurized gas from the canister. The gas immediately expands and fills the inside of the extinguisher, pushing the water downward As the water is pushed down, it rises up the tube A jet of water emerges from the nozzle.

Answer 2

Explanation:

A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situation.