Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) None of these Remains unchanged Decreases Increases None of these Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Sherwood number Lewis number Schmidt number Prandtl number Sherwood number Lewis number Schmidt number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient varies as DAB0.5, according to the __________ theory. Surface renewal Film Penetration None of these Surface renewal Film Penetration None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Degree of ideality Neither A nor B Both A & B Viscosity Degree of ideality Neither A nor B Both A & B Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Increases Decreases Passes through a maximum Remains unaffected Increases Decreases Passes through a maximum Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Gives higher pressure drop Gives lower pressure drop Both A & B Provides poorer contact between the fluids Gives higher pressure drop Gives lower pressure drop Both A & B Provides poorer contact between the fluids ANSWER DOWNLOAD EXAMIANS APP
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