Mass Transfer The-relative volatility for separation of a non-ideal binary mixture by distillation should be > 1 < 1 1 > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the liquid flow rate Increasing the vapour flow rate Use of increased tray spacing Using higher reflux ratio Increasing the liquid flow rate Increasing the vapour flow rate Use of increased tray spacing Using higher reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should 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 latent heat of vaporisation Have high viscosity to provide high tray efficiency 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 latent heat of vaporisation Have high viscosity to provide high tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 94 min 51 min 71 min 15 min 94 min 51 min 71 min 15 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Temperature always increases Operating line always lies below the equilibrium curve Operating line always lies above the equilibrium curve Temperature remains unaffected Temperature always increases Operating line always lies below the equilibrium curve Operating line always lies above the equilibrium curve Temperature remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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