engineering recuitment BEL Probationary Engineers Mock Test 2025 Fluid Mechanics Flow Measurement Orificemeter
The coefficient of velocity (Cv) for an orifice is
1
\(\sqrt{\frac{4x^2}{yH}}\)
2
\(\frac{2x}{\sqrt{4yH}}\)
3
\(\sqrt{\frac{x^2}{4yH}}\)
4
\(\sqrt{\frac{2x}{4yH}}\)