Mass Transfer An azeotropic mixture is a __________ mixture. None of these Constant boiling point Ternary Binary None of these Constant boiling point Ternary Binary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies inversely as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies directly as the pressure Varies inversely as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies directly as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P0.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D K ∝ D2 K ∝ D1.5 K ∝ √D K ∝ D K ∝ D2 K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T³ T √T T² T³ T √T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Very small quantity of solvent is required ANSWER DOWNLOAD EXAMIANS APP