GATE CE 2018 Set 2 — Question 44
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Water Resources Engineering → Open Channel Flow → Channel Hydraulics
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Question
In a 5 m wide rectangular channel, the velocity distribution in the vertical direction is given by . The distance is measured from the channel bed. If the flow depth is 2 m, the discharge per unit width of the channel is
Correct answer
(A) 2.40 m ³ /s/m
Solution
Discharge per unit width () is given by the integral of velocity over the depth:Given and m:Thus, the closest option is (A).
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