某污水管段采用D500mm钢筋混凝土管(n=0.014),管底坡度为0.002,

考试题库2022-08-02  38

问题 某污水管段采用D500mm钢筋混凝土管(n=0.014),管底坡度为0.002,水力半径为0.12m,则该污水管内污水流速v为下列哪项?(  )A.v=1.08m/sB.v=1.26m/sC.v=0.7m/sD.v=0.78m/s

选项 A.v=1.08m/s
B.v=1.26m/s
C.v=0.7m/s
D.v=0.78m/s

答案 D

解析
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