Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T √T T⁴ T² T √T T⁴ T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two or more components of a liquid solution can not be achieved by Fractional crystallisation Evaporation Liquid extraction Absorption Fractional crystallisation Evaporation Liquid extraction Absorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Increases tray efficiency Decreases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction Employs two solvents None of the listed here Employs only one solvent Results in low interfacial tension Employs two solvents None of the listed here Employs only one solvent Results in low interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant molal overflow Total reflux All of these Constant relative volatility Constant molal overflow Total reflux All of these Constant relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation, overhead product contains Only one component Two components Only saturated liquid Any number of components Only one component Two components Only saturated liquid Any number of components ANSWER DOWNLOAD EXAMIANS APP