Mass Transfer Design calculation for multiple component distillation is done by Tray to tray calculations Mccabe-Thiele method Enthalpy concentration method Ponchon-Savarit method Tray to tray calculations Mccabe-Thiele method Enthalpy concentration method Ponchon-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 6 8 10 12 6 8 10 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ equation applies to diffusivities in liquids. Gilliland None of these Wilke and Chang Hirschfelder Gilliland None of these Wilke and Chang Hirschfelder ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Increasing the air temperature decreases the drying rate None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Boiling point diagram is Not affected by pressure A plot of temperature vs. liquid composition A plot of temperature vs. vapour composition Affected by pressure Not affected by pressure A plot of temperature vs. liquid composition A plot of temperature vs. vapour composition Affected by pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these ANSWER DOWNLOAD EXAMIANS APP