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A rectangular channel 4m wide has a venture flume of width 1.5m and a flow rate...

A rectangular channel 4m wide has a venture flume of width 1.5m and a flow rate of 8m³/s. A subcritical flow approaches this structure, Investigate the energy and flow surface profiles along this channel up to where flow is subcrtical again, Taken n= 0.023 and bed slope 1/700

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