Mass Transfer Danckwerts developed the __________ theory. None of these Surface renewal Film Penetration None of these Surface renewal Film Penetration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The percentage humidity is less than the relative humidity only at __________ percent humidity. None of these Both zero and hundred Hundred Zero None of these Both zero and hundred Hundred Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Pressure rises Temperature rises Pressure falls Temperature falls Pressure rises Temperature rises Pressure falls Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a two phase system is in physical equilibrium; then it means that, the Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase Temperature of the liquid phase is equal to that of the vapor phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase Temperature of the liquid phase is equal to that of the vapor phase ANSWER DOWNLOAD EXAMIANS APP
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