Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler And the heat required in reboiler decreases Increases Remains unaffected Decreases And the heat required in reboiler decreases Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Total reflux Constant relative volatility Constant molal overflow All of these Total reflux Constant relative volatility Constant molal overflow All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a column results due to High pressure drop High temperature Low pressure drop Low velocity of the liquid High pressure drop High temperature Low pressure drop Low velocity of the liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In azeotropic mixture, the equilibrium vapour composition is Same as liquid composition More than liquid composition None of the listed here Less than liquid composition Same as liquid composition More than liquid composition None of the listed here Less than liquid composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The relative humidity decreases The partial pressure of water vapour increases The relative humidity increases The specific humidity decreases The relative humidity decreases The partial pressure of water vapour increases The relative humidity increases The specific humidity decreases ANSWER DOWNLOAD EXAMIANS APP