Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Thermal diffusivity Volumetric diffusivity Mass transfer co-efficient Kinematic viscosity Thermal diffusivity Volumetric diffusivity Mass transfer co-efficient Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A binary mixture of benzene and cyclohexane is separated by Extractive distillation Solvent extraction Ordinary distillation Flash vaporisation Extractive distillation Solvent extraction Ordinary distillation Flash vaporisation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. Equilibrium Unbound Bound Free Equilibrium Unbound Bound Free ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant relative volatility Total reflux All of these Constant molal overflow Constant relative volatility Total reflux All of these Constant molal overflow ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Design calculation for multiple component distillation is done by Ponchon-Savarit method Tray to tray calculations Mccabe-Thiele method Enthalpy concentration method Ponchon-Savarit method Tray to tray calculations Mccabe-Thiele method Enthalpy concentration method ANSWER DOWNLOAD EXAMIANS APP