In case of a trapezoid

Question

In case of a trapezoidal notch fall

Options:

A . top width of the notch is kept between 3/4 th of full water depth above the sill of the notch

B . top length of the piers should not be less than their thickness

C . splay up stream from the notch section is 450

D . splay down stream from the notch section is22`frac(1)(2)`0

E . all the above.

Answer: Option E

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