## 1. The critical speed of a trommel (N) is related to its dia (D) as

## 2. Cartridge filters are termed as 'edge' filters, because of the fact that the

## 3. Two particles are called to be equal settling, if they are having the same.

## 4. If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the

## 5. The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m^{2}, V = rising velocity of fluid, m/sec, S = percentage of solids in the suspension by volume, ρ = density of solids, kg/m^{3})

^{2}, V = rising velocity of fluid, m/sec, S = percentage of solids in the suspension by volume, ρ = density of solids, kg/m

^{3})

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