Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Equal to the heat of wetting Called integral heat of adsorption Equal to the heat of formation of surface compound Zero Equal to the heat of wetting Called integral heat of adsorption Equal to the heat of formation of surface compound Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are Both A & B Straight Parallel Neither A nor B Both A & B Straight Parallel Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Kinematic viscosity Mass transfer co-efficient Thermal diffusivity Volumetric diffusivity Kinematic viscosity Mass transfer co-efficient Thermal diffusivity Volumetric diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very high gas velocity Results due to very low gas velocity Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very high gas velocity Results due to very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 10 6 8 12 10 6 8 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower. Is same as Cannot be predicted as data are insufficient Is lower than Is greater than Is same as Cannot be predicted as data are insufficient Is lower than Is greater than ANSWER DOWNLOAD EXAMIANS APP
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