A suspension of glass beads in ethylene glycol has a hindered settling velocity

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Question

A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is

Options:

A . 0.1

B . 0.4

C . 0.6

D . None of these

Answer: Option C

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