The quickest way to end a class B fire is to cut off the oxygen. Carbon dioxide gas can often be a good way to dilute the oxygen that is feeding the fire to stop it burning.
What is used to put out flammable liquid fires?
A powder fire extinguisher can be identified by a blue label that says “POWDER”. Powder extinguishers can be used on wood, paper and fabric fires. They can also be used on flammable liquid fires, gaseous fires and even electrical fires.
What should you not use to put out a flammable liquid fire?
Never use a water extinguisher on electrical fires or any fire involving a flammable liquid. As any science student will tell you, water conducts the current. If you spray water onto an electrical fire, inadvertently or intentionally, you risk electrocuting yourself.
What are the 3 methods of extinguishing a fire?
All fires can be extinguished by cooling, smothering, starving or by interrupting the combustion process to extinguish the fire. One of the most common methods of extinguishing a fire is by cooling with water.
Is best suited to extinguish oil or flammable liquid fire?
Explanation: Class B is best suited to extinguishing oil or flammable liquid fire. Different fire extinguishers helps in tackling various types of fire.
What is a Type D fire?
Class D fires only involving combustible metals – magnesium, sodium (spills and in depth), potassium, sodium-potassium alloys uranium, and powdered aluminum.
What stops fire from spreading?
Examples of passive fire protection: … Fire doors: If sealed using the correct materials, fire doors act as barriers which prevent the fire from spreading. Cavity barriers: These block the paths for flames and fumes to follow, acting as another way to diminish the threat of fires spreading.
How do you starve a fire?
Starvation is the process of depriving the fire of fuel, i.e. combustible materials. Cooling is depriving the fire of heat, e.g. by applying a substance such as water that will absorb heat from the fire and reduce the temperature below the critical level needed to sustain the fire.
What are the 3 most common types of fires?
Acknowledging these types of fires may help you to reduce or even eliminate the risk of starting a fire.
- Kitchen fires. The most common type of fire in the U.S. is the kitchen fire. …
- Electrical fires. …
- Heater fires. …
- Smoking-related fires.