Hydraulics - Civil Engineering Questions and Answers

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The terminal velocity (v) of a sphere of radius r and specific weight W, which travels vertically downwards in a liquid of viscosity Î¼ and specific weight W, is

v = $\frac { 2r^3 } {9\mu }$ (Ws- W)

v = $\frac { 2r^2 } {9\mu }$ (Ws- W)

V = 9 $\frac { r^2 } {2\mu }$ (Ws- W)

V = $\frac { 3r^2 } {3\mu }$ (Ws- W)

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Answer : Option B

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