Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Surface renewal model of mass transfer was enunciated by Toor and Marchello Fick Stefan Danckwerts Toor and Marchello Fick Stefan Danckwerts ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding results in Good contact between the fluids High gas velocity Low tray efficiency High tray efficiency Good contact between the fluids High gas velocity Low tray efficiency High tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? None of these Butyl acetate-water Water-alcohol Methyl alcohol-acetone None of these Butyl acetate-water Water-alcohol Methyl alcohol-acetone ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Solids are drained to the same extent Neither A nor B Both A & B Ratio of the insoluble to solution is constant Solids are drained to the same extent Neither A nor B Both A & B Ratio of the insoluble to solution is constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these ANSWER DOWNLOAD EXAMIANS APP
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