Mass Transfer Minimum reflux ratio in a distillation column results in Optimum number of trays Maximum condenser size Minimum number of trays Minimum reboiler size Optimum number of trays Maximum condenser size Minimum number of trays Minimum reboiler size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? 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 Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent. > 100 None of these < 100 100 > 100 None of these < 100 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high Viscosity All of these Vapor pressure Freezing point Viscosity All of these Vapor pressure Freezing point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Pressure drop in the equipment will be very high None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following binary systems is an example of a maximum boiling azeotrope? Water-hydrochloric acid Water-ethyl alcohol Acetone-carbon disulphide None of the listed here Water-hydrochloric acid Water-ethyl alcohol Acetone-carbon disulphide None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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