Class B. Class B fires involve flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers. Therefore, extinguishers with a B rating are designed to extinguish fires involving flammable and combustible liquids.
Can you use a fire extinguisher on a gas fire?
Class C: Flammable Gases
This class of fire involves combustible gases such as LPG (liquefied petroleum gas), butane, propane; or LNG (liquefied natural gas, acetylene). Extinguishing a gas fire should not be attempted unless the gas supply has been first shut down, and only a dry powder extinguisher should be used.
What gas helps fire?
Carbon dioxide is primarily suitable for fighting fire classes B and C. Due to its physical properties, carbon dioxide is the only extinguishing gas that is also used in fire extinguishers and fire extinguishing devices.
Which gas is necessary for burning?
Answer: The gas necessary for combustion or burning is Oxygen.
How are gas and water useful for 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.
How do I choose a fire extinguisher?
The National Fire Protection Association (NFPA) provides minimum recommendations for the home: Primary Fire Extinguishers – For your main home protection, install a 2-A:10-B:C rated extinguisher on every level of your home – no more than 40 feet apart. Include all locations where a fire may start.
Should homes have fire extinguishers?
Yes, provided you know when and how to use it. Fire extinguishers can be a small but important part of the home fire safety plan. They can save lives and property by putting out a small fire or suppressing it until the fire department arrives. … Remember, lives are more important than property.