Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives Low pressure drop and high hold up Low pressure drop and low hold up High pressure drop and high hold up High pressure drop and low hold up Low pressure drop and high hold up Low pressure drop and low hold up High pressure drop and high hold up High pressure drop and low hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when Only liquid phase obeys Dalton's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only vapor phase follows Raoult's law Only liquid phase obeys Dalton's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only vapor phase follows Raoult's law ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If moisture content of solid on dry basis is X, then the same on wet basis is X/(X + 1) (X - 1)/X X/(X - 1) (X + 1)/X X/(X + 1) (X - 1)/X X/(X - 1) (X + 1)/X ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 1.94 1.24 1.04 0.54 1.94 1.24 1.04 0.54 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other None of these Both A & B Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Enthalpy concentration method McCabe-Thiele method Plate absorption column Ponchan-Savarit method Enthalpy concentration method McCabe-Thiele method Plate absorption column Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
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