What is the meaning of extinguishing fire?
to put out (a fire, light, etc.); put out the flame of (something burning or lighted): to extinguish a candle. to put an end to or bring to an end; wipe out of existence; annihilate: to extinguish hope. to obscure or eclipse, as by superior brilliance.
What are the methods of fire extinguishment?
All fires can be extinguished by cooling, smothering, starving or by interrupting the combustion process to extinguish the fire.
- Snuffing out candles.
- Smothering a pan with a fire blanket.
- Wrapping a person in a fire blanket.
- Applying a blanket of foam over the burning surface, thus separating the fuel from the air.
What is the most common method of fire extinguishment?
Cooling the burning material is the most common method used to extinguish fire. Water is widely available and the best cooling agent to use specially in fires involving solid materials. By evaporating in contact with fire, water also blankets the fire, cutting off the oxygen supply.
What is the mean of extinguished?
1a(1) : to bring to an end : make an end of hope for their safety was slowly extinguished. (2) : to reduce to silence or ineffectiveness. b : to cause to cease burning : quench. c : to cause extinction of (a conditioned response)
What do you mean by extinguishment of an obligation?
An obligation which consists in the delivery of a determinate thing shall be extinguished if it should be lost or destroyed without the fault of the debtor, and before he has incurred in delay.
When using foam a Class B fire is extinguished by?
Foam extinguishes Class B Fires by covering the flammable liquid with a foam blanket, thus cutting off the oxygen supply from the combustion process.
What is smothering in extinguishing of fire?
Smothering is the process of depriving the fire of the oxygen needed to sustain the combustion process. Interference is the process of applying extinguishing agents to the fire that inhibit the chemical chain reaction at the molecular level.
What is the fastest way to extinguish a fire?
Extinguishing a fire the right way!
- Attack a fire in the direction of the wind.
- Extinguish liquid fires and fires caused by dripping substances from the top down.
- Extinguish wall fires from the bottom up.
- Use several fire extinguishers at once, not one after another.
- Take account of any back draft.
What are the 3 main types of fire extinguishers?
It’s important to understand that no single fire extinguisher can safely and effectively douse every type of fire. OSHA states, “The three most common types of fire extinguishers are: air pressurized water, CO2 (carbon dioxide), and dry chemical.” There also are wet chemical fire extinguishers.
What is the most effective fire extinguishing material?
The primary chemical used to fight these fires is monoammonium phosphate, because of its ability to smother fires in these types of materials. Fire extinguishers with a Class B rating are effective against flammable liquid fires.
What are the four main 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.
- Class A extinguishers will put out fires in ordinary combustibles such as wood and paper.
- Class B extinguishers are for use on flammable liquids like grease, gasoline and oil.