Explain the working of fire hydrant.

Question

Asked: June 8, 20222022-06-08T22:53:38+05:30 2022-06-08T22:53:38+05:30In: Water Supply & Waste Water Engg

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Nrupur Bhatt · Answer 1 · 2022-06-20T21:57:12+05:30

Fire hydrant is a whole system with pipe work connected directly with the main water supply line. So water is provided to every hydrant to resist the case fire. Water is pumped through the fire engine and then sprayed against the fire. So in case of no adequate water or water pressure engine can pressurize the water in fire mains.
These fire pipe networks are designed as it is always under pressure and in need of a fire extinguisher they will immediately be supplied when the main pump will start automatically.
The whole system will work automatically so immediate supply will be available at every hydrant. A Small capacity pump cannot bear the pressure at the actual fire the main hydrant pump will start automatically.
Small capacity pump in this pipe network to maintain preset pressure. for defining air leakage or other reason, the pump will start automatically and shut down at preset pressure.