Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Neither A nor B Viscosity with concentration Both A & B Degree of ideality of the solution Neither A nor B Viscosity with concentration Both A & B Degree of ideality of the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Slope of the operating line in stripping section decreases Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Number of plates decreases very slowly first and then more and more rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Remains same Either A or B; depends on the gas Increases Decreases Remains same Either A or B; depends on the gas Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a column results due to Low velocity of the liquid High temperature High pressure drop Low pressure drop Low velocity of the liquid High temperature High pressure drop Low pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction, Exponentially Inversely Linearly None of these Exponentially Inversely Linearly None of these ANSWER DOWNLOAD EXAMIANS APP
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