Civil Engineering - GATE Exam Questions - Discussion


For a 'best' symmetrical trapezoidal section of an open channel with a given area of section and side slopes, one of the following statements holds true :

[A]. Half the top width is equal to one of the side slopes
[B]. Half the top width plus the bottom width is equal to both the side slopes put together
[C]. Water depth is equal to half bottom width
[D]. Hydraulic mean depth is equal to half the top width

Answer: Option A


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