Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T² √T T T⁴ T² √T T T⁴ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Selectivity of the solvent used in solvent extraction should be 1 > 1 < 1 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to 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 Increase the total pressure of distillation Avoid thermal decomposition of a component Increase the efficiency of separation 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 Passes through a maximum Remains unaffected Decreases Increases Passes through a maximum Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state, Composition of vapors and that of liquid do not vary throughout the column The top and bottom compositions correspond to the maximum enrichment available Reboiler load and condenser load are minimum The top and bottom compositions are unchanged with and without total reflux Composition of vapors and that of liquid do not vary throughout the column The top and bottom compositions correspond to the maximum enrichment available Reboiler load and condenser load are minimum The top and bottom compositions are unchanged with and without total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat and mass Heat and momentum Mass and momentum Heat, momentum and mass Heat and mass Heat and momentum Mass and momentum Heat, momentum and mass ANSWER DOWNLOAD EXAMIANS APP
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