If n is the rugosity coefficient, r is the hydraulic depth, s is the b – McqOptions

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1.	If n is the rugosity coefficient, r is the hydraulic depth, s is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula evolved by
A.	Chezy
B.	Manning
C.	Bazin
D.	Kutter.
Answer» C. Bazin

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