Q.

Which of the following is also known as V notch?

A. trapezoidal
B. stepped
C. triangular
D. sharp edged
Answer» C. triangular
Explanation: a triangular notch also called a v notch is of triangle shape with apex down. the expression of the discharge over triangular notch or weir is q = 8/15 cd (2g) 1/2 × h 5/2.
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