What are its advantages as a fire extinguisher?
When you use a portable extinguisher to put out a blaze early on, you reduce the amount of harmful pollutants being released, while also reducing the amount of water required to fight the fire, helping minimise impact on the environment.
What is one disadvantage of a fire extinguisher?
Disadvantages: limited to class A fires only. leaves a small amount of residue after the fire has been extinguished. 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.
What is a disadvantage of using a water fire extinguisher?
The danger of using a water fire extinguisher on an electrical fire is that you put yourself at risk of receiving an electric shock. Water conducts electricity, and although the fire may be preoccupying your thoughts and appear to be the only danger, there is still an electrical current to deal with.
What are Class B fire extinguishers?
Fire extinguishers with a Class B rating are effective against flammable liquid fires. These can be fires where cooking liquids, oil, gasoline, kerosene, or paint have become ignited. Two commonly used chemicals are effective in fighting these types of fires.
How do I know if my fire extinguisher is still good?
Rubin recommends checking the pressure gauge monthly. “If the needle is in the green area, it’s functional,” he says. If it falls anywhere else, the extinguisher is unreliable and should be serviced or replaced. For an older model without a gauge, have it checked by a pro.
What are the 4 types of fire extinguishers?
There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.
When should you not use a CO2 fire extinguisher?
Dangers: CO2 extinguishers should not be used on fires involving solid materials, such as paper, wood and fabric, and also are not suitable for use on flammable gases. How it works: The CO2 works by cutting off the fire’s oxygen supply. This then smothers it and, as it does so, extinguishes the flames.
What are the disadvantages of burning?
Burning trash can cause long-term health problems. The toxic chemicals released during burning include nitrogen oxides, sulfur dioxide, volatile organic chemicals (VOCs) and polycyclic organic matter (POMs). Burning plastic and treated wood also releases heavy metals and toxic chemicals, such as dioxin.
What is the disadvantages of fire?
1.It can cause damage to anytype of living or non-living component. 2.It can cause damage to any type of property. 3. A person may die due to it’s toxic gases.