What is the use of extinguisher?
fire extinguisher, portable or movable apparatus used to put out a small fire by directing onto it a substance that cools the burning material, deprives the flame of oxygen, or interferes with the chemical reactions occurring in the flame.
What is called extinguisher?
A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. With dry chemical extinguishers, nitrogen is typically used; water and foam extinguishers typically use air. Stored pressure fire extinguishers are the most common type.
What are the 3 types of extinguishers?
It’s important to understand that no single fire extinguisher can safely and effectively douse every type of fire. OSHA states, “The three most common types of fire extinguishers are: air pressurized water, CO2 (carbon dioxide), and dry chemical.” There also are wet chemical fire extinguishers.
Where are fire extinguishers used?
Most fires start small. If the fire is contained to a single object, such as a trash can, you may want to try using a fire extinguisher to put out the flames. Remember, you only have seconds – a fire burning for just l minute will have tripled its original size.
Why do we need fire extinguisher?
Fire extinguishers play a vital role in any fire protection plan in any environment. They are a first aid response to fire and can help prevent catastrophic damage to property and even loss of life.
What is fire extinguisher for class 8?
The job of a fire extinguisher is to cut off the supply of air or bring down the temperature of the fuel. Fig. 9 Follow PASS. Soda – acid fire extinguisher: Carbon dioxide liberated by the reaction of sulphuric acid with sodium bicarbonate solution comes out with a stream of liquid water at high pressure.
What fire extinguisher is best?
First Alert 5 lb Fire Extinguisher. The First Alert 5 lb Fire Extinguisher is perfect for living rooms,bedrooms,home offices,and rec rooms.
How much does it cost to recharge a fire extinguisher?
The cost of recharging a fire extinguisher will depend on the extinguisher, the number needed to be recharged and the professional recharging. How much does recharging a fire extinguisher cost? On average, a basic recharge can cost anywhere from $10 to $50, depending on the weight of the extinguisher.
What are the steps to using a fire extinguisher?
There are four basic steps to using a fire extinguisher. Pull. Place the extinguisher on the floor. Aim. Start 10 feet back from the fire. Squeeze. Squeeze the lever on the fire extinguisher. Sweep. Sweep from side to side, moving in slowly until the fire is out.
What are the hazards of a fire extinguisher?
One of the biggest dangers associated with fire extinguishers comes from using the wrong type of extinguisher to fight a fire. For example, a water extinguisher used on electrical or oil fires can cause electric shock or explosions.