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 Passes through a maximum Decreases Increases Remains unaffected Passes through a maximum Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve) S₂/S₁ S₁ - S₂ S₁ x S₂ S₁/S₂ S₂/S₁ S₁ - S₂ S₁ x S₂ S₁/S₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Very efficient operation Increased relative volatility Erosion of the tower Thermal decomposition of bottoms Very efficient operation Increased relative volatility Erosion of the tower Thermal decomposition of bottoms ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding results in High tray efficiency High gas velocity Good contact between the fluids Low tray efficiency High tray efficiency High gas velocity Good contact between the fluids Low tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Both liquid and gas side Interfacial Liquid side Gas side Both liquid and gas side Interfacial Liquid side Gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a column results due to High pressure drop High temperature Low pressure drop Low velocity of the liquid High pressure drop High temperature Low pressure drop Low velocity of the liquid ANSWER DOWNLOAD EXAMIANS APP
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