Mass Transfer Steam distillation is used to Increase the total pressure of distillation Reduce the number of plates Increase the efficiency of separation Avoid thermal decomposition of a component Increase the total pressure of distillation Reduce the number of plates Increase the efficiency of separation Avoid thermal decomposition of a component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? Low vapor pressure Low viscosity High gas solubility None of these Low vapor pressure Low viscosity High gas solubility None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. Equilibrium Bound Free Unbound Equilibrium Bound Free Unbound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up High pressure drop and low hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up High pressure drop and low hold up 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. 10 8 6 12 10 8 6 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter < 6:1 < 8 : 1 > 4 :1 > 8:1 < 6:1 < 8 : 1 > 4 :1 > 8:1 ANSWER DOWNLOAD EXAMIANS APP