SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Fluid Dynamics

A 15 cm diameter orifice discharging from a tank issues out a jet of diameter 12.75 cm diameter at a vena contracta. The coefficient of contraction is ___________.

1

0.85

2

0.722

3

0.62

4

0.682

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