Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Relative volatility is reasonably constant Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Relative volatility is reasonably constant Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Multicomponent absorption with chemical reaction Multicomponent distillation Liquid-liquid extraction Solid-liquid extraction Multicomponent absorption with chemical reaction Multicomponent distillation Liquid-liquid extraction Solid-liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require High reflux ratio Low reflux ratio Less number of trays Small cross-section column High reflux ratio Low reflux ratio Less number of trays Small cross-section column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during sensible cooling process ? Partial pressure of vapour Specific humidity Specific humidity & Partial pressure of vapour None of the listed here Partial pressure of vapour Specific humidity Specific humidity & Partial pressure of vapour None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser and reboiler loads are the same in both the cases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. 50 Between 0 and 100 100 50 Between 0 and 100 100 ANSWER DOWNLOAD EXAMIANS APP