Answer all parts of the following question:
A rectangular prismatic channel of width b = 3ft carries steady flow. The upstream bed slope is S0,1= 0.0001, and the channel is lined with unfinished concrete. A triangular sharp-crested weir with = 45 spans the channel, producing a head H = 0.475ft. Far downstream of the weir, uniformflow is established. The channel slope then changes abruptly to S0,2 = 0.05, and the flow againreaches normal depth. Further downstream, a bump of height z = 0.028ft is present.
a. Draw the longitudinal water surface profile from the weir to downstream of the bump,indicating flow regimes, profile types, and labeling all key depths and control sections.
b) Draw the specific energy diagram, showing the state just upstream of the bump, at the crest,and downstream. Indicate the effect of the bed rise z.
c) Propose a practical change to alter the flow regime immediately upstream of the bump.Briefly state the expected effect on upstream flow conditions and explain why.
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