Mass Transfer The relative volatility of a binary mixture at the azeotropic composition is > 1 ∞ 1 > 1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Cannot be computed Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio Cannot be computed Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency in a distillation column is reduced due to the __________ of liquid. Foaming All of these Weeping & dumping Entrainment Foaming All of these Weeping & dumping Entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with No reflux Minimum reflux ratio Zero reflux ratio Total reflux No reflux Minimum reflux ratio Zero reflux ratio Total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Always higher than Always lower than Same as Dependent on the system; can be either lower or higher than Always higher than Always lower than Same as Dependent on the system; can be either lower or higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, 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 Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP
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