Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Neither A nor B Both A & B Viscosity with concentration Degree of ideality of the solution Neither A nor B Both A & B Viscosity with concentration Degree of ideality of the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler And the heat required in reboiler decreases Decreases Remains unaffected Increases And the heat required in reboiler decreases Decreases Remains unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbant is used in the refinning of sugar? Activated clay Bone charcoal Wood charcoal Silica gel Activated clay Bone charcoal Wood charcoal Silica gel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Mass and momentum Heat and mass Heat, momentum and mass Heat and momentum Mass and momentum Heat and mass Heat, momentum and mass Heat and momentum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S > 1 S = ∞ S = 1 S < 1 S > 1 S = ∞ S = 1 S < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Reduce the overall pressure drop Avoid channelling Reduce liquid hold-up Avoid flooding Reduce the overall pressure drop Avoid channelling Reduce liquid hold-up Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
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