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SSC JE Civil 11 Oct 2023 Shift 1 Solved Paper

Section: General Engineering

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Question : 131

Total: 200

If the actual velocity of jet at the vena contracta in an orifice meter is ‘V’, the depth of the centre of orifice below the free surface is ‘h’ and ‘g’ is the gravitational acceleration, then the coefficient of velocity ‘C_v ’ is:

V / (2gh)^1/2
4V / (2gh)^3/2
2gh / (V)^1/2
2Vgh / 300

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