Mass Transfer A binary mixture of benzene and cyclohexane is separated by Extractive distillation Flash vaporisation Solvent extraction Ordinary distillation Extractive distillation Flash vaporisation Solvent extraction Ordinary distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, None of these Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying None of these Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Butyl acetate-water Water-alcohol None of these Methyl alcohol-acetone Butyl acetate-water Water-alcohol None of these Methyl alcohol-acetone ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the Heat of wetting Differential heat of adsorption None of these Integral heat of adsorption Heat of wetting Differential heat of adsorption None of these Integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.5 to 0.8 1.25 to 2.0 2.5 to 3.5 0.8 to 1.2 0.5 to 0.8 1.25 to 2.0 2.5 to 3.5 0.8 to 1.2 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) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP