What are the 3 methods of extinguishing fires?
What are the 3 methods of extinguishing fires?
The basic methods for extinguishing a fire are to suffocate it by ensuring that it cannot have access to oxygen, to cool it with a liquid such as water which reduces the heat or finally to remove the fuel or oxygen source, effectively removing one of the three elements of fire.
How do you extinguish a fire with water?
Put the fire out by pouring water slowly onto the flames. Do not throw or dump the water. This can cause a sudden swell in smoke which can be dangerous. Keep pouring the water until the hissing sound of the embers dies out entirely.
What are the 3 types of fire?
Classes of fire Class A – fires involving solid materials such as wood, paper or textiles. Class B – fires involving flammable liquids such as petrol, diesel or oils. Class C – fires involving gases.
What is the three step technique when using a fire blanket to extinguish a fire?
How To Use A Fire Blanket?
- Turn off the heat source if it is safe to do so.
- Pull the tapes to release the fire blanket from its box.
- Hold the blanket in a shield position and, if possible, wrap the blanket around your hands for protection.
- Place the fire blanket over the fire to smother the blaze.
What are the 4 main 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.
How do you extinguish a fire without water?
Sand and Dirt A common way of putting out a fire pit without water is to use dry sand or dirt. We recommend using a shovel to throw sand and dirt on the coals of the fire once it has nearly burned out to a few embers.
What are the 5 main types of fire extinguishers?
What are the 5 Types of Fire Extinguishers?
- Class A Fire Extinguishers. Class A fire extinguishers are safe for use on ordinary combustible fires, like those fueled by paper or wood.
- Class B Fire Extinguishers.
- Class C Fire Extinguishers.
- Class D Fire Extinguishers.
- Class K Fire Extinguishers.
What type of fire can you safely use a water extinguisher on?
class A
Water fire extinguishers have a red label and a class A rating. They are suitable for fighting fires involving solid combustibles such as wood, paper and textiles. A few models are safe on electrical equipment if di-electrically tested.
What are four ways to extinguish 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.
What is wet chemical fire extinguisher?
Wet chemical fire extinguishers are usually supplied with a long lance which helps to safely deploy the foam. The wet chemical forms a thick soapy foam-like blanket over the surface of the burning oil/fat which stops oxygen from reaching the fire and smothers the flames.