Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. None of these a₁ = a₂ a₁ = 0.5 a₂ a₁ = 2a₂ None of these a₁ = a₂ a₁ = 0.5 a₂ a₁ = 2a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Increases May increase on decrease, depends on the system Does not vary Decreases Increases May increase on decrease, depends on the system Does not vary Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes None of these ? 1 None of these ? 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Sieve-plate column Bubble-cap column Packed column (stacked) Randomly packed column Sieve-plate column Bubble-cap column Packed column (stacked) Randomly packed column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Same as the Murphree efficiency The ratio of number of actual plates to ideal plates Always more than the point efficiency The ratio of number of ideal plates to actual plates Same as the Murphree efficiency The ratio of number of actual plates to ideal plates Always more than the point efficiency The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as D1.5 D 1/D D0.5 D1.5 D 1/D D0.5 ANSWER DOWNLOAD EXAMIANS APP
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