Mass Transfer Stage efficiency in a leaching process depends on the Time of contact between the solid and the solution Both A & B Rate of diffusion of the solute through the solid and into the liquid Vapour pressure of the solution Time of contact between the solid and the solution Both A & B Rate of diffusion of the solute through the solid and into the liquid Vapour pressure of the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate None of these Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which is the controlling factor for a drum drier? Neither A nor B Both A & B Diffusion Heat transfer Neither A nor B Both A & B Diffusion Heat transfer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Water entrained by circulating air in cooling towers is termed as None of the listed here Vapor load Blow down Drift None of the listed here Vapor load Blow down Drift ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Plate towers Packed towers Spray towers Wetted wall columns Plate towers Packed towers Spray towers Wetted wall columns ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NSc = NPr = NLe NSc = NLe NSc = 1 NPr = NLe NSc = NPr = NLe NSc = NLe NSc = 1 NPr = NLe ANSWER DOWNLOAD EXAMIANS APP