Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed with stacked packing In towers packed randomly with crushed solids In dumped packing of regular units At very high liquid flow rate In towers packed with stacked packing In towers packed randomly with crushed solids In dumped packing of regular units At very high liquid flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding results in High tray efficiency High gas velocity Good contact between the fluids Low tray efficiency High tray efficiency High gas velocity Good contact between the fluids Low tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humid volume, at a given temperature is a/an __________ function of humidity. Exponential Logarithmic Inverse Linear Exponential Logarithmic Inverse Linear ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Both A & B Degree of ideality Viscosity Neither A nor B Both A & B Degree of ideality Viscosity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
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