Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 1 to 5 > 10 5 to 10 1 1 to 5 > 10 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the None of these Thermal conductivity of solute increases Diffusivity of solute increases Viscosity of solvent decreases None of these Thermal conductivity of solute increases Diffusivity of solute increases Viscosity of solvent decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two volatile liquids by distillation makes use of their Density difference Selectivity Solubility Relative volatility Density difference Selectivity Solubility Relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) 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 Azeotropic distillation is employed to separate Constant boiling mixture Mixture with very high relative volatility Heat sensitive materials High boiling mixture Constant boiling mixture Mixture with very high relative volatility Heat sensitive materials High boiling mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Unidirectional diffusion from gas to liquid phase A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from liquid to gas phase ANSWER DOWNLOAD EXAMIANS APP
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