Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.1 0.01 10-5 to 10-6 > 1 0.1 0.01 10-5 to 10-6 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Viscosity of solvent decreases None of these Diffusivity of solute increases Thermal conductivity of solute increases Viscosity of solvent decreases None of these Diffusivity of solute increases Thermal conductivity of solute increases 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 new azeotrope of low relative volatility with one of the constituents of the mixture Form a low boiling azeotrope with one of the constituents of the mixture Have high viscosity to provide high tray efficiency Have high latent heat of vaporisation Form a new azeotrope of low relative volatility with one of the constituents of the mixture Form a low boiling azeotrope with one of the constituents of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the None of these Separation becomes more efficient Number of plates increases Column diameter increases None of these Separation becomes more efficient Number of plates increases Column diameter increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Feed composition Allowable gas velocity Allowable gas and liquid velocities Allowable liquid velocity Feed composition Allowable gas velocity Allowable gas and liquid velocities Allowable liquid velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Decreases in winter Increases in summer Increases in winter None of these Decreases in winter Increases in summer Increases in winter None of these ANSWER DOWNLOAD EXAMIANS APP
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