Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) 1/P P 1/√P √P 1/P P 1/√P √P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should Have high viscosity to provide high tray efficiency Have high latent heat of vaporisation Form a low boiling azeotrope with one of the constituents of the mixture Form a new azeotrope of low relative volatility with one of the constituents of the mixture Have high viscosity to provide high tray efficiency Have high latent heat of vaporisation Form a low boiling azeotrope with one of the constituents of the mixture Form a new azeotrope of low relative volatility with one of the constituents of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Humidification Binary distillation Adsorption Gas absorption Humidification Binary distillation Adsorption Gas absorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Lewis number Prandtl number Sherwood number Schmidt number Lewis number Prandtl number Sherwood number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Gives lower pressure drop Gives higher pressure drop Both A & B Provides poorer contact between the fluids Gives lower pressure drop Gives higher pressure drop Both A & B Provides poorer contact between the fluids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which is the controlling factor for a drum drier? Diffusion Heat transfer Neither A nor B Both A & B Diffusion Heat transfer Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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