Mass Transfer To get high tray efficiency Gas velocity should be very low Liquid entrainment should be severe Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Liquid entrainment should be severe Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Butyl acetate-water Water-alcohol Methyl alcohol-acetone None of these Butyl acetate-water Water-alcohol Methyl alcohol-acetone None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Benzene-toluene Ethyl alcohol-water Hydrochloric acid-water All of these Benzene-toluene Ethyl alcohol-water Hydrochloric acid-water All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs. log T Log P vs . T P vs . log T T vs . P Log P vs. log T Log P vs . T P vs . log T T vs . P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is At a fixed temperature Soluble in the liquid Insoluble in the liquid Non-ideal in nature At a fixed temperature Soluble in the liquid Insoluble in the liquid Non-ideal in nature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of packed towers for distillation is generally limited to the High pressure operation Multicomponent distillation Vacuum distillation Small sizes High pressure operation Multicomponent distillation Vacuum distillation Small sizes ANSWER DOWNLOAD EXAMIANS APP
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