Mechanical Operations

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_____.

  • A. 0.1
  • B. 0.4
  • C. 0.6
  • D. None of these
Answer: Option C.

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