Determining the amount of water needed to extinguish a fire in a specific building is best accomplished during the pre-planning stage. …
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 …
How much water is needed to extinguish a fire? – Quora
It depends on the type & spread of fire. Sometimes a fire can be put out only by 10 litres of water & while another time 10 lakh litre of water can not douse a fire.
How do you calculate how much water you need for fire fighting? The basic formula in the schedule is: NFFi= (Ci)(Oi)(X +P)i Where NFFi = needed fire flow (NFF) in gal per min (L/min) Ci = a construction factor that depends on the construction of the structure under consideration Oi = an occupancy factor that depends on the combustibility of the occupancy (X = P)i = an exposure …
People Also Ask how long water to extinguish fire
How does water extinguish 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 until it hits 212 degrees Fahrenheit (the boiling point of water).
How to calculate the amount of water required to extinguish a fire?
The information developed indicated that the relationship between the area which is involved in fire and the approximate amount of water required to effectively extinguish the fire can be established by dividing the square footage of the area of fire involvement by a factor of three. This quick-calculation formula is expressed as:
What happens to the amount of water used during a fire?
If control is not achieved within a reasonable period, the amount of water may have to be increased. If immediate knockdown of the fire takes place, the amount of water being applied can be reduced to minimize water damage to the structure and contents. If protective systems are contained within the structure, they should be noted in the pre-plan.
Will water put out an electrical fire?
Firstly, water will extinguish an electrical fire (no matter what you’ve heard to the contrary) the trouble is not that it won’t put the fire out, it’s that you may create a deadly problem for yourself, instead.
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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