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 Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Slope of the operating line in stripping section decreases Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 5 100 10 1 5 100 10 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer ______ extractor uses centrifugal force for separating the two phases. Podbielniak None of the listed here Schiebel Treybal Podbielniak None of the listed here Schiebel Treybal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio Neither A nor B The overhead product is minimum Both the operating lines coincide with diagonal Both A & B Neither A nor B The overhead product is minimum Both the operating lines coincide with diagonal Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase 'S' and decrease 'G' Increase both 'G' and 'S' Increase 'G' and decrease 'S' Decrease both 'G' and 'S' Increase 'S' and decrease 'G' Increase both 'G' and 'S' Increase 'G' and decrease 'S' Decrease both 'G' and 'S' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in All of these Decreased solute solubility Large number of trays Large minimum liquid to gas (L/G) ratio All of these Decreased solute solubility Large number of trays Large minimum liquid to gas (L/G) ratio ANSWER DOWNLOAD EXAMIANS APP
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