Mass Transfer Prandtl number for water at 20°C is about 150 0.7 70 7 150 0.7 70 7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases due to Both A & B Increased diffusivity Neither A nor B Decreased liquid viscosity Both A & B Increased diffusivity Neither A nor B Decreased liquid 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 Remains unaffected Decreases Increases Passes through a maximum Remains unaffected Decreases Increases Passes through a maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T2 D ∝ T1.5 D ∝ T0.5 D ∝ T D ∝ T2 D ∝ T1.5 D ∝ T0.5 D ∝ T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is Minimum Optimum Infinite None of these Minimum Optimum Infinite None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a two phase system is in physical equilibrium; then it means that, the All of these Total pressure throughout the liquid phase is equal to that throughout the vapor phase Temperature of the liquid phase is equal to that of the vapor phase Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase All of these Total pressure throughout the liquid phase is equal to that throughout the vapor phase Temperature of the liquid phase is equal to that of the vapor phase Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase ANSWER DOWNLOAD EXAMIANS APP
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