Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P1.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer HETP is numerically equal to HTU, only when the operating line Is far from the equilibrium line Lies below the equilibrium line And equilibrium lines are parallel Lies above the equilibrium line Is far from the equilibrium line Lies below the equilibrium line And equilibrium lines are parallel Lies above the equilibrium line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Liquid-liquid extraction Multicomponent distillation Multicomponent absorption with chemical reaction Solid-liquid extraction Liquid-liquid extraction Multicomponent distillation Multicomponent absorption with chemical reaction Solid-liquid extraction 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 Partial pressure of component A to the total pressure Vapour pressure of component A to the total pressure Vapour pressure of component A to that of component B Vapour pressure of component A to the partial pressure of A Partial pressure of component A to the total pressure Vapour pressure of component A to the total pressure Vapour pressure of component A to that of component B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Coating the product with inert material Maintaining high critical humidity Both A and C Maintaining low critical humidity Coating the product with inert material Maintaining high critical humidity Both A and C Maintaining low critical humidity 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
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