In case of a trapezoidal notch fall

Top width of the notch is kept between

\frac{3}{4}^{th}

of full water depth above the sill of the notch

Top length of the piers should not be less than their thickness

Splay upstream from the notch section is 45°

Splay downstream from the notch section is

22 \frac{1}{2}^{\circ}

All the above

Answer

Answer: Option E

Answer: Option E

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