Mass Transfer The binary diffusivity in gases and liquids vary respectively as √T and T3/2 T3/2 and T T and T3/2 T3/2 and √T √T and T3/2 T3/2 and T T and T3/2 T3/2 and √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Repeated coalescence & redispersion of the drop phase None of these Better contact of the phase Higher contact area Repeated coalescence & redispersion of the drop phase None of these Better contact of the phase Higher contact area 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 Weeping in a distillation column Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Interfacial area Physical properties Chemical properties Degree of turbulence Interfacial area Physical properties Chemical properties Degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum reflux ratio in a distillation column results in Minimum reboiler size Minimum number of trays Maximum condenser size Optimum number of trays Minimum reboiler size Minimum number of trays Maximum condenser size Optimum number of trays ANSWER DOWNLOAD EXAMIANS APP
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