Mass Transfer Selectivity of the solvent used in solvent extraction should be < 1 1 > 1 < 1 1 > 1 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%). 15 min 94 min 71 min 51 min 15 min 94 min 71 min 51 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled And humidified And dehumidified with increase in wet bulb temperature And dehumidified with decrease in wet bulb temperature At the same relative humidity And humidified And dehumidified with increase in wet bulb temperature And dehumidified with decrease in wet bulb temperature At the same relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of packed towers for distillation is generally limited to the Vacuum distillation Multicomponent distillation Small sizes High pressure operation Vacuum distillation Multicomponent distillation Small sizes High pressure operation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used for separation of high boiling none of the listed here Both of the options given here Volatile impurity from still higher boiling substances Substances from non-volatile impurities none of the listed here Both of the options given here Volatile impurity from still higher boiling substances Substances from non-volatile impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Multicomponent distillation is involved Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality Multicomponent distillation is involved Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality ANSWER DOWNLOAD EXAMIANS APP