Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as 1/D D0.5 D D1.5 1/D D0.5 D D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Data insufficient, cannot be predicted Decreases Increases Remains constant Data insufficient, cannot be predicted Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler Remains unaffected Decreases And the heat required in reboiler decreases Increases Remains unaffected Decreases And the heat required in reboiler decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the intercept of the operating line Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is computed from the intercept of the operating line Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? Composition of the entering liquid Flow rate of the entering gas Terminal concentrations of gas stream None of these Composition of the entering liquid Flow rate of the entering gas Terminal concentrations of gas stream None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. 200-330 < 150 > 1000 > 500 200-330 < 150 > 1000 > 500 ANSWER DOWNLOAD EXAMIANS APP
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