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What is the minimum water pressure available at fire hydrants?

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in Environmental Engineering by (81.4k points)
What is the minimum water pressure available at fire hydrants?

(a) 80-100kN/m²

(b) 100-150kN/m²

(c) 40-60kN/m²

(d) 150-200kN/m²

I got this question by my school principal while I was bunking the class.

I'm obligated to ask this question of Water Demand topic in chapter Water Demand and Quantity of Environmental Engineering

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Correct option is (b) 100-150kN/m²

Easiest explanation: The minimum water pressure available at fire hydrants is 100-150kN/m^2 i.e 10-15m of water head and it should be maintained for 4 to 5 hours.

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