Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Slightly concave upward Straight line None of these Slightly concave downward Slightly concave upward Straight line None of these Slightly concave downward ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T⁴ T² T √T T⁴ T² T √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the Sharp drop in pressure drop Increase in flow rate Sharp rise in pressure drop None of these Sharp drop in pressure drop Increase in flow rate Sharp rise in pressure drop None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum reflux ratio in a distillation column results in Minimum reboiler size Maximum condenser size Optimum number of trays Minimum number of trays Minimum reboiler size Maximum condenser size Optimum number of trays Minimum number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Wetted wall tower Perforated tray tower Grid tray tower Bubble cap tower Wetted wall tower Perforated tray tower Grid tray tower Bubble cap tower ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS