Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Evaporation Adsorption Sublimation Dehydration Evaporation Adsorption Sublimation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Greater than that computed for ideality Less than the sum of the vapour pressure of the components None of these Less than that computed for ideality Greater than that computed for ideality Less than the sum of the vapour pressure of the components None of these Less than that computed for ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the feed to a distillation column is a saturated liquid, slope of the feed line is None of these Zero Unity Infinity None of these Zero Unity Infinity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high All of these Freezing point Viscosity Vapor pressure All of these Freezing point Viscosity Vapor pressure 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. 8 6 12 10 8 6 12 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require High reflux ratio Low reflux ratio Small cross-section column Less number of trays High reflux ratio Low reflux ratio Small cross-section column Less number of trays ANSWER DOWNLOAD EXAMIANS APP
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