SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Open Channel Flow Weirs and Notches
Calculate the theoretical velocity of the jet at vena contracta of an orifice if the head water over the orifice is 20 m. Consider the acceleration due to gravity to be 10 m/s2.
1
10 m/s
2
25 m/s
3
12.5 m/s
4
20 m/s