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The settling velocity of spherical particle is given by ____________

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in Environmental Engineering by (81.4k points)
The settling velocity of spherical particle is given by ____________

(a) Darcy Weisbach equation

(b) Hazen and William equation

(c) Stokes equation

(d) Bernoulli’s equation

This question was posed to me during an interview.

My query is from Types of Settling topic in division Sedimentation and Chemical Clarification of Environmental Engineering

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Best answer
The correct choice is (c) Stokes equation

The best I can explain: The settling velocity of spherical particle is given by stokes equation where vS = (g/18) * (G-1) d^2 /v when diameter d is less than 0.1mm.

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