Mass Transfer When the solvent dissolves very little of solute, then Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Solvent of low freezing point should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Minimum number of the theoretical plates is required Number of plates is zero Number of plates is infinity Separation is most efficient Minimum number of the theoretical plates is required Number of plates is zero Number of plates is infinity Separation is most efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Erosion of the tower Very efficient operation Thermal decomposition of bottoms Increased relative volatility Erosion of the tower Very efficient operation Thermal decomposition of bottoms Increased relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Does not alter the relative volatility of the original components Forms a low boiling azeotrope Forms a high boiling azeotrope Is of low volatility Does not alter the relative volatility of the original components Forms a low boiling azeotrope Forms a high boiling azeotrope Is of low volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Data insufficient, cannot be predicted Increases Remains constant Decreases Data insufficient, cannot be predicted Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dew point of an air-water vapor mixture Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve All of the listed here At constant humidity & total pressure is fixed Decreases with decrease in pressure Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve All of the listed here At constant humidity & total pressure is fixed Decreases with decrease in pressure ANSWER DOWNLOAD EXAMIANS APP
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