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A rectangular open channel 3 m wide carries a discharge of 15 m3 /sec. The channel slope is 0.004, and the Manning’s coefficient is 0.01. At a certain point in the channel, flow reaches normal depth. (a) What is the critical depth? (b) Determine the flow classification. Is it supercritical or subcritical? (c) If a hydraulic jump takes place at this depth, what is the sequent depth? (d) Estimate the energy head loss through the jump.

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