Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) √T T³ T T² √T T³ T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Ratio of the insoluble to solution is constant Neither A nor B Solids are drained to the same extent Both A & B Ratio of the insoluble to solution is constant Neither A nor B Solids are drained to the same extent Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Neither A nor B Degree of ideality Viscosity Both A & B Neither A nor B Degree of ideality Viscosity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two or more components of a liquid solution can not be achieved by Absorption Evaporation Liquid extraction Fractional crystallisation Absorption Evaporation Liquid extraction Fractional crystallisation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature. Adiabatic saturation Dry-bulb Dew point Wet-bulb Adiabatic saturation Dry-bulb Dew point Wet-bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Absorption Ion-exchange Adsorption Rectification Absorption Ion-exchange Adsorption Rectification ANSWER DOWNLOAD EXAMIANS APP