SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Open Channel Flow Weirs and Notches
Which of the following is/are related to measure the discharge by a triangular notch?
(Where θ is the central angle: H is the head; Cd is coefficient of discharge: and g is acceleration due to gravity.
1
\(\frac{8}{15}C_d\sqrt{2g}\tan\frac{\theta}{2}H^{5/2}\)
2
\(\frac{4}{15}C_d\sqrt{2g}\tan\frac{\theta}{2}H^{5/2}\)
3
\(\frac{8}{15}C_d\sqrt{2g}\tan\frac{\theta}{2}H^{3/2}\)
4
\(\frac{2}{3}C_d\sqrt{2g}\tan\frac{\theta}{2}H^{3/2}\)