Mass Transfer Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve) S₂/S₁ S₁ x S₂ S₁ - S₂ S₁/S₂ S₂/S₁ S₁ x S₂ S₁ - S₂ S₁/S₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Time of contact between the two phases should be less Gas velocity should be very low Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Gas velocity should be very low Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of Vapour pressure of component A to the partial pressure of A Vapour pressure of component A to the total pressure Vapour pressure of component A to that of component B Partial pressure of component A to the total pressure Vapour pressure of component A to the partial pressure of A Vapour pressure of component A to the total pressure Vapour pressure of component A to that of component B Partial pressure of component A to the total pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Lower capacity of the solvent for the solute gas Lower adsorption rate Increased utilisation of stagnant zones of the liquid phase None of these Lower capacity of the solvent for the solute gas Lower adsorption rate Increased utilisation of stagnant zones of the liquid phase None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high Viscosity All of these Freezing point Vapor pressure Viscosity All of these Freezing point Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of solid-liquid extraction is limited by the Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Diffusion of the solute through the solvent in the pores to the outside of the particle Phase change of the solute as it dissolves in the solvent All of these Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Diffusion of the solute through the solvent in the pores to the outside of the particle Phase change of the solute as it dissolves in the solvent All of these ANSWER DOWNLOAD EXAMIANS APP
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