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According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)

According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) Correct Answer $${\text{A}} \times {\text{M}} \times {{\text{m}}^{\frac{2}{3}}} \times {{\text{i}}^{\frac{1}{2}}}$$

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According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)
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