Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T⁴ T T² √T T⁴ T T² √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Neither A nor B Solids are drained to the same extent Ratio of the insoluble to solution is constant Both A & B Neither A nor B Solids are drained to the same extent Ratio of the insoluble to solution is constant Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation columns, the All of these Driving force for the liquid flow is its weight Vapors are not always at their dew points Highest temperatures is near the feed plate All of these Driving force for the liquid flow is its weight Vapors are not always at their dew points Highest temperatures is near the feed plate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to Increase the total pressure of distillation Avoid thermal decomposition of a component Increase the efficiency of separation Reduce the number of plates Increase the total pressure of distillation Avoid thermal decomposition of a component Increase the efficiency of separation Reduce the number of plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Never Yes Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Never Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Depend on saturated boiling point; may increase or decrease Increase Decrease Remains same Depend on saturated boiling point; may increase or decrease Increase Decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
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