Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and √T √T and T3/2 T3/2 and T T and T3/2 T3/2 and √T √T and T3/2 T3/2 and T T and T3/2 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. Condenser load is the same in both the cases but reboiler load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser and reboiler loads are the same in both the cases 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) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser and reboiler loads are the same in both the cases Reboiler load is the same in both the cases but condenser load is higher in case (ii) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with No reflux Total reflux Zero reflux ratio Minimum reflux ratio No reflux Total reflux Zero reflux ratio Minimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ equation applies to diffusivities in liquids. None of these Wilke and Chang Hirschfelder Gilliland None of these Wilke and Chang Hirschfelder Gilliland ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) √(KL².DA) KL².DA KL²/DA KL/DA² √(KL².DA) KL².DA KL²/DA KL/DA² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rate of leaching increases with increasing Size of the solid Viscosity of solvent Pressure Temperature Size of the solid Viscosity of solvent Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP