CE Board HGE Problem 70 (Open Channels) - CE April 2023

(CE April 2023) A Trapezoidal canal has a bottom width of 6 m and a side slope of 2 horizontal to 1 vertical.When the depth of the flow is 1.2 m and the rate of flow is 20.4 m^3/s

a. Compute the Specific Energy, in meters
b. If the roughness coefficient, n = 0.015, obtain the Slope of the canal using Manning’s Formula.
c. Compute the Average Shearing Stress at the Boundary over the surface of the channel, N/m^2

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Reference:
1. "Licensure Exams for Civil Engineering - Nov 2023 ed" by BESAVILLA
2. "CE Reference for Licensure Examination" by GILLESANIA
3. Multi-Level Engineering Review Center (MEReC)
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"CE Reference for Licensure Examination - VOL 5" by GILLESANIA
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