Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operating cost of a distillation column at minimum reflux ratio is Maximum Minimum Zero Infinite Maximum Minimum Zero Infinite ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bollman extractor Is a static bed leaching equipment Employs only counter-current extraction Is used for extraction of oil from oilseed Is a centrifugal extractor Is a static bed leaching equipment Employs only counter-current extraction Is used for extraction of oil from oilseed Is a centrifugal extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P = P P >>P P P < P P = P P >>P P P < P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.2 0.175 0.25 0.4 0.2 0.175 0.25 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Normally not; but is possible if infinite number of plates are put Never Yes Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Never Yes Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP