Mass Transfer The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is Spray chamber None of these Induced draft cooling tower Natural draft cooling tower Spray chamber None of these Induced draft cooling tower Natural draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Viscosity Degree of ideality Both A & B Neither A nor B Viscosity Degree of ideality Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). 200-300 22190 43835 > 500 200-300 22190 43835 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies inversely as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies directly as the pressure Varies inversely as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies directly as the pressure 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 total pressure Partial 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 Vapour pressure of component A to the total pressure Partial 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 ANSWER DOWNLOAD EXAMIANS APP
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