Mass Transfer When the solvent dissolves very little of solute, then Large quantity of solvent is required to extract the solute Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Wetted wall tower experiment determines the Volumetric co-efficient Mass transfer co-efficient None of these Molal diffusivity Volumetric co-efficient Mass transfer co-efficient None of these Molal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) √T T⁴ T² T √T T⁴ T² T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Flow rate of entering liquid Flow rate of gas None of the listed here Heat gain or loss Flow rate of entering liquid Flow rate of gas None of the listed here Heat gain or loss ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Water-alcohol Butyl acetate-water Methyl alcohol-acetone None of these Water-alcohol Butyl acetate-water Methyl alcohol-acetone None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Increases Remains constant Data insufficient, cannot be predicted Decreases Increases Remains constant Data insufficient, cannot be predicted Decreases ANSWER DOWNLOAD EXAMIANS APP