Question 12.5: In a hydraulics laboratory, a flow of 0.412 m^3/s was measur...

Introduction to Fluid Mechanics and Fluid Machines

In a hydraulics laboratory, a flow of $0.412 \mathrm{~m}^{3} / \mathrm{s}$ was measured from a rectangular channel flowing 1.22 m wide and 0.61 m deep. If the slope of the channel was 0.0004, find its roughness factor using Manning’s formula.

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