Why wont water extinguish fire

Answer (1 of 30): Water can be used to put out some types of fire. There are 5 types of fire, A, B, C, D and K. Class A fires are ordinary combustibles like wood or …

First, let’s look at extinguishing agents that should not be used. NFPA 484 6.3.3.5 (1) specifically states that water shall not be used as an extinguishing agent on combustible-metal fires unless they are compatible with the metal because of adverse reactions and ineffectiveness. Water-based foams are not recommended because they contain water.

Why can’t sea water be used to extinguish fire? – Quora

Answer (1 of 93): The US Navy has been using sea water to fight fires for over 200 years. This is true for almost all fires. Some people like to talk about Class C (electrical) fires, but once you secure (turn off) the electricity in the space where the fire is at, it’s not a Class C fire anymor…

Also Check: Why wont water extinguish oil fire

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 until it hits 212 degrees Fahrenheit (the boiling point of water). Thus, the water you put on the blaze can absorb quite a lot of heat before it stops being …

Why are exactly does water put out fire so effectively?

For a fire to start or keep on burning there are three main ingredients:A fuel that will oxidize, for to burn something is to oxidize a material;Oxygen to combine with that fuel into oxidation;The adequate temperature in the fuel/oxygen mixture so that the chain reaction keeps on. …A spark! Optional, not needed if temperature is high enough.

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What are 4 ways to extinguish a fire?

A home in a small southern Manitoba community was engulfed in flames Saturday afternoon, forcing five neighbouring fire departments to lend a hand to put out the blaze. Carman firefighters say they were called to a home in Roseisle — a community 20 …

Why is sometimes dumping water on a fire counterproductive?

Water sinks in grease.Burning grease reaches temperatures over 400 deg F.Water boils at 212 deg F.If you throw water on a pot of hot burning grease, the water sinks for a moment into the grease, then rapidly turns to expanding steam.The expanding steam blows the grease into the air where it combines with oxygen.

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Why washing soda not used to extinguish fire?

Why are washing soda and sulphuric acid used in fire extinguishing machine? Soda acid type extinguisher acts by cutting off supply of air. … It increases the percentage of carbon dioxide in air (CO 2 is non supporter of combustion). This type of fire extinguisher contains a bottle of sulphuric acid supported by a metallic container filled …

Also Check: What is the best way to extinguish an electrical fire

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