Question: Water flows in a rectangular irrigation channel 4.0 m wide at a depth of 1.7 m. For a discharge of 15.0 m/s, 4.2 a)

Water flows in a rectangular irrigation channel 4.0 m wide at a

Water flows in a rectangular irrigation channel 4.0 m wide at a depth of 1.7 m. For a discharge of 15.0 m/s, 4.2 a) Determine whether the flow is subcritical, critical or supercritical. b) Calculate the alternate depth of flow that could occur in the channel at the same discharge. Determine the critical slope of the channel assuming that it is lined with concrete (n = 0.012).

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