Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and T T3/2 and √T √T and T3/2 T and T3/2 T3/2 and T T3/2 and √T √T and T3/2 T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Gas phase All of these Liquid phase Interface Gas phase All of these Liquid phase Interface ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Decrease Remain unchanged Can either increase or decrease, depends on the system Increase Decrease Remain unchanged Can either increase or decrease, depends on the system Increase 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 All of these 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 Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Increases with time Does not change with time Decreases with time Does not affect the moisture content of the wet solid Increases with time Does not change with time Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. Azerotropic Steam Continuous None of these Azerotropic Steam Continuous None of these ANSWER DOWNLOAD EXAMIANS APP
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