Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction None of the listed here Results in low interfacial tension Employs two solvents Employs only one solvent None of the listed here Results in low interfacial tension Employs two solvents Employs only one solvent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Both A & B Degree of ideality of the solution Neither A nor B Viscosity with concentration Both A & B Degree of ideality of the solution Neither A nor B Viscosity with concentration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has None of these Lower adsorption rate Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas None of these Lower adsorption rate Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Decoction None of these Elutriation or elution Percolation Decoction None of these Elutriation or elution Percolation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Thermal diffusivity Volumetric diffusivity Mass transfer co-efficient Kinematic viscosity Thermal diffusivity Volumetric diffusivity Mass transfer co-efficient Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
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