【Daily Question】Utilities - Water Supply and Drainage - 20191130
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This post was last edited by hesonchang214 on 2019-12-2 at 16:53. The design flow velocity for fire hydrant supply pipes should not exceed ( ) m/s. A.2.0 B.2.5 C.5.0 D.1.5 Answer: B
Answer: C. Explanation: Excessively high flow speeds in water supply pipes can cause water hammer, which damages the pipes and equipment; therefore, the flow speed in fire protection water supply pipes should also not exceed 5 m/s.