Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Size Porosity Durability Cost Size Porosity Durability Cost ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wetted wall tower is used to determine M.T.C. of individual components in a liquid-liquid system The overall M.T.C. of the system Individual mass transfer co-efficient (M.T.C.) in gaseous system M.T.C. of liquid in liquid-gas system M.T.C. of individual components in a liquid-liquid system The overall M.T.C. of the system Individual mass transfer co-efficient (M.T.C.) in gaseous system M.T.C. of liquid in liquid-gas system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Total reflux in a distillation operation requires minimum All of these Number of plates Reboiler load Condenser load All of these Number of plates Reboiler load Condenser load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of packed towers for distillation is generally limited to the Vacuum distillation Small sizes Multicomponent distillation High pressure operation Vacuum distillation Small sizes Multicomponent distillation High pressure operation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Large quantity of solvent is required to extract the solute ANSWER DOWNLOAD EXAMIANS APP