Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Decreases Increases May increase or decrease ; depends on the type of adsorbate Remains unchanged Decreases Increases May increase or decrease ; depends on the type of adsorbate Remains unchanged 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 Continuous None of these Steam Azerotropic Continuous None of these Steam ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 18.7 27.3 20 21.7 18.7 27.3 20 21.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an absorber, the operating Line always lies below the equilibrium curve Velocity is more than the loading velocity Line can be either above or below the equilibrium curve Line always lies above the equilibrium curve Line always lies below the equilibrium curve Velocity is more than the loading velocity Line can be either above or below the equilibrium curve Line always lies above the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their Solubility Viscosity Relative volatility Density Solubility Viscosity Relative volatility Density ANSWER DOWNLOAD EXAMIANS APP