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.
What are the 4 ways to extinguish a fire?
Control measure knowledge
- The fire tetrahedron identifies the four components needed for burning to take place. …
- All fires can be extinguished by cooling, smothering, starving or by interrupting the combustion process to extinguish the fire.
What are 3 things you should do to extinguish a fire?
The extinguisher should be operated only by a qualified lab technician, as you may risk spreading a fire if you don’t know what you’re doing. What are the three main ways to put out a fire? Remove the fuel (Starvation), the heat (Cooling), or the oxygen (Smothering).
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.
Can water put out 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.
What are Class A and B fires?
There are four classes of fires: Class A: Ordinary solid combustibles such as paper, wood, cloth and some plastics. Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering.
What is the main cause of death in fire?
The characteristic biphasic distribution of carboxyhemoglobin in fire victims together with other observations suggest that the principal causes of death are carbon monoxide followed by carbon dioxide poisoning and/or oxygen deficiency, while the influence of heat is considered to be of minor importance.