A mixture of solid particles B & A having a size range of 5-9mm is to be separated by classification using hindered settling conditions in a pulp having a density of 1500 kg.m^3. The specific gravity of B & A are 2.65 and 7.5 respectively. Calculate the size range of the various fractions & determine the drag force exerted on the particles if the Re number is 550 with an assumed pulp viscosity of 1.5*10^-3 Pa.s. Show graph to describe particle fractions & state all assumptions made.

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