Mass Transfer The most economical range of absorption factor is 5 to 10 2.5 to 3 2 to 2.5 1.25 to 2 5 to 10 2.5 to 3 2 to 2.5 1.25 to 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases because of the Increased diffusivity Both Decreased viscosity of liquid & Increased diffusivity None of the listed here Decreased viscosity of liquid Increased diffusivity Both Decreased viscosity of liquid & Increased diffusivity None of the listed here Decreased viscosity of liquid ANSWER DOWNLOAD EXAMIANS APP
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 In case of absorption with exothermic reaction, for fluids having Pr = Sc ; there won Both A & B 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 Pr = Sc ; there won Both A & B 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In saturated gas, the Vapour is in equilibrium with the liquid at the room temperature Partial pressure of vapour equals the vapour pressure of the liquid at room temperature Vapour is in equilibrium with the liquid at the gas temperature None of the listed here Vapour is in equilibrium with the liquid at the room temperature Partial pressure of vapour equals the vapour pressure of the liquid at room temperature Vapour is in equilibrium with the liquid at the gas temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Condenser and reboiler loads are the same in both the cases ANSWER DOWNLOAD EXAMIANS APP