Mass Transfer Use of packed towers for distillation is generally limited to the Small sizes Multicomponent distillation High pressure operation Vacuum distillation Small sizes Multicomponent distillation High pressure operation Vacuum distillation 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 wetting Called integral heat of adsorption Zero Equal to the heat of formation of surface compound Equal to the heat of wetting Called integral heat of adsorption Zero Equal to the heat of formation of surface compound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 600 1 3.97 0.24 600 1 3.97 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Product must be immiscible with water Temperature is more than 100° C Temperature is 100°C Temperature is higher than the boiling point of either component Product must be immiscible with water Temperature is more than 100° C Temperature is 100°C Temperature is higher than the boiling point of either component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Remains same Increases linearly Decreases Increases Remains same Increases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is The ratio of number of ideal plates to actual plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of actual plates to ideal plates ANSWER DOWNLOAD EXAMIANS APP
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