The water molecule doesn’t become hot enough to separate into hydrogen and oxygen and instead, has two potential actions on the fire that can put it out. Firstly, it absorbs the heat from the fire. This is the main method by which water extinguishes fire. Room temperature water is about 77 degrees Fahrenheit and water won’t become steam …
Water cools the combustible material so that its temperature is brought below the ignition temperature. So, fuel cannot be ignited anymore, thus it prevents the fire from spreading. The water vapour formed due to the heat of fire cuts supply of air. Hence, the fire gets extinguished due to the absence of air (supporter of combustion)
Why And How Does Water Put Out Fire? Explained
The reason water is such an effective extinguishing agent is because of its low cost, effectiveness and general availability. The physical properties of water mean that it is an effective combatant of all three sides of the fire triangle. These sides are the …
People Also Ask why is water uses to extinguish fires
Why is water used as a fire extinguisher?
The physical properties of water mean that it is an effective combatant of all three sides of the fire triangle. These sides are the independent entities of oxygen, heat and fuel. Water is economical, cheaper than non-water based fire suppression agents and much more readily available.
Why does water put out a fire?
When water extinguishes a fire, it does so because it doesn’t break down into its constituent elements. The water molecule doesn’t become hot enough to separate into hydrogen and oxygen and instead, has two potential actions on the fire that can put it out.
Why is water such an effective fire suppression agent?
The physical properties of water mean that it is an effective combatant of all three sides of the fire triangle. These sides are the independent entities of oxygen, heat and fuel. Water is economical, cheaper than non-water based fire suppression agents and much more readily available. It also has very predictable properties. For example:
What is the least likely chemical to extinguish a fire?
Humble dihydrogen monoxide or H 2 O. This, at first glance, seems to be the least likely chemical on earth to extinguish fires with. After all – it’s made up of hydrogen and oxygen both of which are highly flammable. Why doesn’t it just break down into its constituent elements and make a fire worse, rather than extinguishing it?
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Why You Definitely Don't Want To Use Water To Extinguish a Grease Fire Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher