Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Percolation Decoction None of these Elutriation or elution Percolation Decoction None of these Elutriation or elution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Flow rate of inlet air Temperature of the solid Relative humidity of outlet air Humidity of inlet air Flow rate of inlet air Temperature of the solid Relative humidity of outlet air Humidity of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer HETP is numerically equal to HTU, only when the operating line Lies above the equilibrium line Lies below the equilibrium line Is far from the equilibrium line And equilibrium lines are parallel Lies above the equilibrium line Lies below the equilibrium line Is far from the equilibrium line And equilibrium lines are parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Zero Equal to the heat of wetting Equal to the heat of formation of surface compound Called integral heat of adsorption Zero Equal to the heat of wetting Equal to the heat of formation of surface compound Called integral heat of adsorption 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 Constant molal overflow Total reflux All of these Constant relative volatility Constant molal overflow Total reflux All of these ANSWER DOWNLOAD EXAMIANS APP