Q. A rectangular open channel has a width of 5 m and a bed slope of 0.001. For a uniform flow of depth 2 m, the velocity is 2 m/s. The Manning’s roughness coefficient for the channel is
(A) 0.002
(B) 0.017
(C) 0.033
(D) 0.050
Ans: 0.017
Q. A rectangular open channel has a width of 5 m and a bed slope of 0.001. For a uniform flow of depth 2 m, the velocity is 2 m/s. The Manning’s roughness coefficient for the channel is
(A) 0.002
(B) 0.017
(C) 0.033
(D) 0.050
Ans: 0.017
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