Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Adsorption Dehydration Evaporation Sublimation Adsorption Dehydration Evaporation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Ethyl alcohol-water All of these Hydrochloric acid-water Benzene-toluene Ethyl alcohol-water All of these Hydrochloric acid-water Benzene-toluene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency in a distillation column is reduced due to the __________ of liquid. Weeping & dumping Entrainment All of these Foaming Weeping & dumping Entrainment All of these Foaming ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line) L/mG ML/G LG/m G/mL L/mG ML/G LG/m G/mL 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