Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? 0 < f < 1 F = 1 F < 1 F > 1 0 < f < 1 F = 1 F < 1 F > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = Re/(1 + Re) Ri = (1 - Re)/Re Ri = Re/(1 - Re) Ri = Re Ri = Re/(1 + Re) Ri = (1 - Re)/Re Ri = Re/(1 - Re) Ri = Re ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve) S₁ x S₂ S₁/S₂ S₁ - S₂ S₂/S₁ S₁ x S₂ S₁/S₂ S₁ - S₂ S₂/S₁ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Dependent on the Reynolds number D/2a D/a Proportional to √D Dependent on the Reynolds number D/2a D/a Proportional to √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid-liquid extraction, the number of phases at plait point is 3 2 4 1 3 2 4 1 ANSWER DOWNLOAD EXAMIANS APP
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