Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their All of these Better flow characteristics Low pumping pressure drop Rapid absorption rates All of these Better flow characteristics Low pumping pressure drop Rapid absorption rates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Increases Data insufficient, cannot be predicted Remains constant Decreases Increases Data insufficient, cannot be predicted Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Remains unaffected Increases Decreases linearly Decreases Remains unaffected Increases Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Packed column (with dumped packing) Bubble plate column Pulse column Packed column (with stacked packing) Packed column (with dumped packing) Bubble plate column Pulse column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) √T T² T 1/T √T T² T 1/T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is Accompanied by evolution of heat Both B & C An irreversible phenomenon A reversible phenomenon Accompanied by evolution of heat Both B & C An irreversible phenomenon A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP