The most common use for them is to assist firefighters in putting out fires. By connecting a hose to a hydrant, they gain access to all the water they need to douse a burning building! Fire hydrants are connected to a large water supply through underground pipes. When firefighters arrive on the scene, they connect a hose to the side of the hydrant.
Once the hose is connected, a special wrench with a pentagon-shaped socket is used to turn the nut on the top of the hydrant. This unique tool is not widely available, so only authorized people, like firefighters, can use hydrants. Once the nut is turned, it opens a valve deep underground that allows water to start to flow into the hydrant. Most fire hydrants have these valves underground for a few reasons. If water were kept in the hydrant at all times, it could easily freeze in cold weather, possibly damaging the hydrant and making it impossible to access water when needed.
Where the water supply is not reliable or inadequate, hydrant pumps should be provided to pressurize the fire mains. The pipe network is always under water pressure. To meet with minor leakages jockey pump is installed which maintains the pipe net work under pressure.
The system being automatic immediate water supply will be available from all hydrant post. A typical hydrant installation fed directly from JBA water main and pressurized by fire pumps is shown as below. Payment Gateway:. Nation Presence North Region northadmin suresafety. East Region eastadmin suresafety. Thanks for sharing your thoughts, Zack! You're right, firemen do perform regular checks.
Great question, Luke! We don't have a Wonder about that exactly. We encourage you to submit your question to the Wonder Bank. I love that question , Emma! That's an interesting question, Emma! Is it a state with the most people and buildings? Or perhaps the very biggest state?
We hope you'll do a little digging and let us know what you find out! Thanks for joining us here in Wonderopolis, Ariana! The water is pressurized, causing it to spray out forcefully if the valve is opened. We are undergoing some spring clearing site maintenance and need to temporarily disable the commenting feature.
Thanks for your patience. Drag a word to its definition. You have answered 0 of 3 questions correctly and your score is:. Want to add a little wonder to your website? Help spread the wonder of families learning together. We sent you SMS, for complete subscription please reply. Follow Twitter Instagram Facebook. How do fire hydrants work? Who invented the fire hydrant?
Why are fire hydrants different colors? Wonder What's Next? Learn even more when you check out the following activities with a friend or family member: Where is the nearest fire hydrant to your home? Don't know offhand?
Find out! Walk your neighborhood in search of the nearest fire hydrant. Once you find it, measure how far it is from your home. Do you think its placement would allow firefighters to fight a fire at your home effectively? Why or why not? To learn more about water delivery systems, take a look at the plumbing pipes under your kitchen sink. Ask an adult friend or family member to help you remove all the "stuff" under the sink, so you can get a good view of all the pipes and connections.
With the help of an adult, turn the connections off and on to see what effect it has on the water supplied to your kitchen faucet. Have fun learning more about basic plumbing! Want to see a fire hydrant in action? Ask an adult friend or family member to take you on a field trip to a local fire station. Ask the personnel there if they can give you a simple demonstration of how a fire hydrant works. Feel free to ask them any curious questions you may have about their jobs!
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