SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Flow Measurement Orificemeter
If a fluid jet discharging from a 30 mm diameter orifice has a 25 mm diameter at its vena-contracta then its coefficient of contraction will be
1
1.44
2
0.75
3
0.69
4
1.15