Table of Contents
Can fire be extinguished with fire?
In some cases, a fire can be extinguished simply by removing the fuel source. This may be accomplished in a number of ways, such as stopping the flow of liquid or gaseous fuel, removing solid fuel in the path of the fire or allowing the fire to burn until all of the fuel is consumed.
What is the scientific explanation of fire?
A fire itself is the result of a chemical reaction known as combustion, where fuel and oxygen react with one another and atoms rearrange themselves irreversibly. For this to occur, fuel must reach its ignition temperature, and combustion will continue if there is enough fuel, heat and oxygen.
What element can extinguish fire?
oxygen
Carbon Dioxide – Carbon Dioxide fire extinguishers extinguish fire by taking away the oxygen element of the fire triangle and also be removing the heat with a very cold discharge. Carbon dioxide can be used on Class B & C fires.
What caused the fire to extinguish?
Most fire extinguishers work by separating the fuel from the oxygen. The oxygen comes from the air. It is the same oxygen we breathe. Since the oxygen has to be in contact with the fuel, if you can coat the fuel with something that keeps the oxygen away, the fire will go out.
Does matter get destroyed in a fire?
It may seem as though burning destroys matter, but the same amount, or mass, of matter still exists after a campfire as before. The total mass of matter after the fire would be the same as the total mass of matter before the fire.
What is happening to matter in fire?
Flames are the result of a chemical reaction, primarily between oxygen in the air and a fuel, such as wood or propane. In addition to other products, the reaction produces carbon dioxide, steam, light, and heat. If the flame is hot enough, the gases are ionized and become yet another state of matter: plasma.
Which of the three elements of fire must be eliminated to extinguish fire Why?
The 3 things a fire needs are heat, fuel and oxygen. These three elements work together to help a fire start and take over. However, if any of the three elements are removed from a fire, then it will extinguish and no longer pose a threat.
What is the most important element of fire?
Elements of Fire
- Heat. A heat source is responsible for the initial ignition of fire, and is also needed to maintain the fire and enable it to spread.
- Fuel. Fuel is any kind of combustible material.
- Oxygen. Air contains about 21 percent oxygen, and most fires require at least 16 percent oxygen content to burn.
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 is the meaning of extinguish 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.