Mass Transfer Entrainer used in azeotropic distillation should Have high latent heat of vaporisation Have high viscosity to provide high tray efficiency 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 latent heat of vaporisation Have high viscosity to provide high tray efficiency 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 High pressure at the bottom of a distillation tower handling heat sensitive materials results in Erosion of the tower Increased relative volatility Thermal decomposition of bottoms Very efficient operation Erosion of the tower Increased relative volatility Thermal decomposition of bottoms Very efficient operation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) √T 1/T T² T √T 1/T T² T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number. Peclet Schmidt Sherwood Stanton Peclet Schmidt Sherwood Stanton ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T0.5 D ∝ T2 D ∝ T1.5 D ∝ T D ∝ T0.5 D ∝ T2 D ∝ T1.5 D ∝ T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Can use any type of units Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Can use any type of units ANSWER DOWNLOAD EXAMIANS APP
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