Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system) Increases Increases Linearly Remains unaffected Decreases Increases Increases Linearly Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer _______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower. Peclet Sherwood Stanton Lewis Peclet Sherwood Stanton Lewis ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Temperature is more than 100° C Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is 100°C Temperature is more than 100° C Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is 100°C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the Temperature and pressure Concentration None of these Nature of the constituents Temperature and pressure Concentration None of these Nature of the constituents 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