A 30% (by volume) suspension of spherical sand particles in a viscous oil has a

Question

A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is

Options:

A . 0.90 μm/s

B . 1 μm/s

C . 22.1 μm/s

D . 0.02 μm/s

Answer: Option B
Answer: (b).1 μm/s

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