Discussion :: GATE Exam Questions
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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
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B.
Half the top width plus the bottom width is equal to both the side slopes put together
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C.
Water depth is equal to half bottom width
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D.
Hydraulic mean depth is equal to half the top width
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