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1. |
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» D. None of these | |