Mass Transfer When the solvent dissolves very little of solute, then 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 Solvent of low freezing point should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter of raschig rings used in packed tower in industry is normally around __________ inches. 8 18 2 12 8 18 2 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De.t)1/2 (4De/t) (4De/πt)1/2 (De/t)1/2 (De.t)1/2 (4De/t) (4De/πt)1/2 (De/t)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Increases in winter Increases in summer Decreases in winter None of these Increases in winter Increases in summer Decreases in winter None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.01 10-5 to 10-6 > 1 0.1 0.01 10-5 to 10-6 > 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids Depend on the humidity of the gas Are different Are same None of these Depend on the humidity of the gas Are different Are same None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS