Water is the best extinguisher for fires involving inflammable materials. … Carbon dioxide is used to extinguish fires involving oil and petrol. c.
Is a fire extinguisher better than water?
Water is extremely ineffective at extinguishing this type of fire, and you may, in fact, spread the fire if you try to use water on it. Never use water to extinguish an electrical fire. Water is a good conductor, and there is some concern for electrocution if you were to use water to extinguish an electrical fire.
What is the most effective fire extinguisher?
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.
Is water the most common fire extinguisher?
The most common fire extinguisher is water. But water works only when things like wood and paper are on fire. For fires involving electrical equipment and inflammable materials like petrol, carbon dioxide (CO2) is the best extinguisher. … Since the contact between the fuel and oxygen is cut off, the fire is controlled.
Why is water considered as the most common fire extinguisher?
Water extinguishers are used on solids such as wood, paper, fabrics and other A class fire risks. The water cools the fire and extinguishes it. It penetrates into burning fabrics and can extinguish pockets of fire even deep in the core of the fire.
What is a disadvantage of water fire extinguishers?
Disadvantages: limited to class A fires only. … water is an electrical conductor, making the extinguisher unsuitable if the class of fire has an electrical supply, or for use near live electrical equipment.
Will water extinguish most flammable liquid fires?
As a general rule, you should not attempt to fight a fire if it is spreading rapidly. ABC fire extinguishers extinguish fire by cooling it down. Water will not extinguish most flammable liquid fires.
What’s the best fire extinguisher for kitchen?
Many people ask what is the best fire extinguisher to use in the kitchen… The answer is you can use either a dry powder fire extinguisher which has a blue coloured label,or a CO2 fire extinguisher which has a black label.
Which home fire extinguisher is best?
Powder fire extinguishers are most often recommended for use in the home. When used, these fire extinguishers spray a chemical-based powder that effectively smothers the flames and subdues the source of the fire.
Is ABC fire extinguisher OK for kitchen?
For the kitchen it’s generally recommended to have a multi-purpose fire extinguisher, such as one for Class A-B-C fires, or one that can specifically handle Class B or K fires.
What type of water is in a water fire extinguisher?
Water mist extinguishers are a type of water fire extinguisher that uses distilled water and discharges it as a fine spray instead of a solid stream. Water mist extinguishers are used where contaminants in unregulated water sources can cause excessive damage to personnel or equipment.
How does water extinguish a fire?
Water cools and smothers the fire at the same time. It cools it so much that it can’t burn anymore, and it smothers it so that it can’t make any more of the oxygen in the air explode. You can also put out a fire by smothering it with dirt, sand, or any other covering that cuts the fire off from its oxygen source.
Should water fire extinguishers be used on flammable liquids?
Water fire extinguishers are NOT suitable for electrical fires as water is a conductor and you are at risk of electrocution if used on this type of fire. They are also NOT suitable for flammable liquids or flammable metal fires as it will not extinguish the fire.
When should you use a water fire extinguisher?
Traditional water fire extinguishers are suitable for use on class A fires involving solid combustible materials such as wood, paper and textiles. Please note that modern water mist extinguishers with de-ionised water can also be used on B, C and electric fires. Only tackle small fires with an extinguisher.
How do water extinguishers work?
How do Water Extinguishers work? Water and Water Additive Fire Extinguishers work by spraying a jet of water at the fire, which extinguishes the flames and the burning materials, preventing the fire re-igniting.
Does a water extinguisher remove oxygen?
Water extinguishers, which are the most common, are essentially tanks full of water, often with nitrogen or carbon dioxide as the propellant to make them come out. Water extinguishers work mainly by removing heat from the fire, though they also help to cut off a fire’s oxygen supply.