Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Normally not; but is possible if infinite number of plates are put Never Yes ; if the reflux ratio is maximum Yes Normally not; but is possible if infinite number of plates are put Never Yes ; if the reflux ratio is maximum Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Heat sensitive materials High boiling mixture Mixture with very high relative volatility Constant boiling mixture Heat sensitive materials High boiling mixture Mixture with very high relative volatility Constant boiling mixture 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 Remains unaffected Decreases Passes through a maximum Increases Remains unaffected Decreases Passes through a maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T0.5 D ∝ T D ∝ T2 D ∝ T1.5 D ∝ T0.5 D ∝ T D ∝ T2 D ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Temperature falls Pressure falls Temperature rises Pressure rises Temperature falls Pressure falls Temperature rises Pressure rises ANSWER DOWNLOAD EXAMIANS APP
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