As Fire needs oxygen to burn, Carbon Dioxide Covers the fire like an blanket and cuts the contact of fire to the oxygen present in the air, So Fire stops burning. That is why Carbon Dioxide is Considere as the best Fire Extinguisher.
Which is the best fire extinguisher and why?
Best Overall: Amerex B500 5lb ABC Dry Chemical Class A B C Fire Extinguisher. Owners say the Amerex B500 is long-lasting and reliable, and a perfect size for general home use. This is a chemical fire extinguisher that will work on all kinds of fires: trash, wood, and paper; flammable liquids; and electrical blazes.
Why carbon dioxide is the best fire extinguisher and not water?
Carbon dioxide works for two reasons. One, it is at a much cooler temperature, as being a gas, it forms a liquid at very low temperatures. Secondly, carbon dioxide will lower the amount of oxygen reaching the flames, and suffocate the fire. Using water can prove very dangerous when dealing with oil fires.
Which is the best fire extinguisher and why class 8?
Why Carbon Dioxide is the best extinguisher for fire involving electrical equipments?
- Carbon Dioxide is heavier than oxygen.
- Carbon dioxide does not harm electrical equipment.
- Carbon dioxide can be stored easily.
- It reduces ignition temperature.
- NCERT Question 8 – Explain how CO 2 is able to control fires.
Which is best fire extinguisher in India?
Best Home Fire Extinguishers In India 2021 With Price
|Ceasefire Powder Based Car & Home Fire Extinguisher (Red) – 500 gm||Check Today’s Price|
|Safety one Metal ABC Type fire Extinguisher (4 Kg, Red)||Check Today’s Price|
|Safepro Steel Abc Type Fire Extinguisher, 2 Kg, Red||Check Today’s Price|
What is the best fire extinguisher for electrical?
CO2 fire extinguishers are used for fires involving electrical apparatus. CO2 is not a conductor and does not leave behind any harmful residue. Dry powder extinguishers can be used on Class A, B, C and electrical fires.
What is the best type of fire extinguisher for the home UK?
Powder Fire Extinguishers, such as ABC powder extinguishers or dry powder extinguishers, are suitable for fighting class A,B and C fires. ABC powder extinguishers have a very good fire fighting capacity, but the powder does not soak into materials and does not have a good cooling effect on the fire.
What is the best fire extinguisher for office?
Foam fire extinguishers have excellent penetration properties and quickly create a cooling blanket over burning fuels. Foam has very high ratings and is probably the best and most accepted fire fighter in an office environment.
Why is CO2 considered the best fire extinguisher?
It’s a non-combustible gas. It’s heavier than air, … As Fire needs oxygen to burn, Carbon Dioxide Covers the fire like an blanket and cuts the contact of fire to the oxygen present in the air, So Fire stops burning. That is why Carbon Dioxide is Considere as the best Fire Extinguisher.
Why carbon dioxide is considered an excellent fire extinguisher?
Carbon dioxide extinguishers work because carbon dioxide molecules are heavier than oxygen molecules and when the liquid carbon dioxide inside the extinguisher expands into a gas, the carbon dioxide pushes out any oxygen surrounding the fire which helps as an excellent fire extinguisher.
Why is carbon dioxide considered the best fire?
The carbon dioxide considered the best fire extinguisher to put off fires caused by burning of inflammable liquids such as petrol or oil because carbon dioxide stops the influence of oxygen because it decreases the oxygen present in that fire which leads to the fallout of fire.
What is the most common fire extinguisher class 8?
The most common fire extinguisher is water.
What is fire extinguisher for class 8 short answer?
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 is fire extinguisher class 8?
The electrical fires are extinguished by using carbon dioxide gas fire extinguisher. 1)Carbon dioxide is denser than air and forms a layer around the burning substance.It covers the fire like a blanket due to which fresh air cannot reach the burning substance.