1.

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

A. 0.90 m/s
B. 1 m/s
C. 22.1 m/s
D. 0.02 m/s
Answer» C. 22.1 m/s


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