Mass Transfer Leaching of coffee from coffee beans is done by Hexane Dilute H₂SO₄ (hot) Hot water Lime water Hexane Dilute H₂SO₄ (hot) Hot water Lime water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency Increases May increase or decrease ; depends on individual design Remains same Decreases Increases May increase or decrease ; depends on individual design Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Mixtures of low relative volatility Azeotropes Heat sensitive materials High boiling substances from nonvolatile impurities Mixtures of low relative volatility Azeotropes Heat sensitive materials High boiling substances from nonvolatile impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Is independent of temperature Increases with temperature Decreases with temperature May increase or decrease with temperature Is independent of temperature Increases with temperature Decreases with temperature May increase or decrease with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP