Mass Transfer Deairation (removal of O₂) of water is done by Rectification Absorption Adsorption Ion-exchange Rectification Absorption Adsorption Ion-exchange ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Always higher than Dependent on the system; can be either lower or higher than Same as Always lower than Always higher than Dependent on the system; can be either lower or higher than Same as Always lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant molal overflow Constant relative volatility Total reflux All of these Constant molal overflow Constant relative volatility Total reflux All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight Vapors and liquids are at their dew point and bubble point respectively Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight Vapors and liquids are at their dew point and bubble point respectively ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Equal to the heat of formation of surface compound Zero Equal to the heat of wetting Called integral heat of adsorption Equal to the heat of formation of surface compound Zero Equal to the heat of wetting Called integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what percentage (by volume) of alcohol composition, it forms an azeotrope with water? 99 90 91.5 95 99 90 91.5 95 ANSWER DOWNLOAD EXAMIANS APP
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