Mass Transfer Fenske equation determines the Minimum number of theoretical plates Optimum reflux ratio Height of the distillation column Maximum number of ideal plates Minimum number of theoretical plates Optimum reflux ratio Height of the distillation column Maximum number of ideal plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Gives higher pressure drop Provides poorer contact between the fluids Both A & B Gives lower pressure drop Gives higher pressure drop Provides poorer contact between the fluids Both A & B Gives lower pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Packed tower Seive-plate column Bubble-cap plate column Wetted wall column Packed tower Seive-plate column Bubble-cap plate column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbent is used to decolourise yellow glycerine? Silica gel Fuller Alumina Activated carbon Silica gel Fuller Alumina Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If moisture content of solid on dry basis is X, then the same on wet basis is X/(X - 1) (X + 1)/X (X - 1)/X X/(X + 1) X/(X - 1) (X + 1)/X (X - 1)/X X/(X + 1) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same ANSWER DOWNLOAD EXAMIANS APP