Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Across Neither A nor B Above Both A & B Across Neither A nor B Above Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Operating velocity in a packed tower is usually __________ the flooding velocity. Twice Equal to More than Half Twice Equal to More than Half ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB according to the __________ theory. Penetration Surface-renewal Film None of these Penetration Surface-renewal Film None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Results due to very low gas velocity Results due to very high gas velocity Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very low gas velocity Results due to very high gas velocity Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Both A & B Viscosity with concentration Neither A nor B Degree of ideality of the solution Both A & B Viscosity with concentration Neither A nor B Degree of ideality of the solution ANSWER DOWNLOAD EXAMIANS APP
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