Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) √P 1/P 1/√P P √P 1/P 1/√P P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Called integral heat of adsorption Equal to the heat of wetting Equal to the heat of formation of surface compound Zero Called integral heat of adsorption Equal to the heat of wetting Equal to the heat of formation of surface compound Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Both A & B Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Is of low volatility Does not alter the relative volatility of the original components Forms a low boiling azeotrope Forms a high boiling azeotrope Is of low volatility Does not alter the relative volatility of the original components Forms a low boiling azeotrope Forms a high boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed q = 1 q < 1 q = 0 q > 1 q = 1 q < 1 q = 0 q > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity Thermal diffusivity Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
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