Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = (1 - Re)/Re Ri = Re/(1 + Re) Ri = Re/(1 - Re) Ri = Re Ri = (1 - Re)/Re Ri = Re/(1 + Re) Ri = Re/(1 - Re) Ri = Re 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 Increases Decreases linearly Decreases Remains unaffected Increases Decreases linearly Decreases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in None of these Total pressure Temperature Vapour pressure of either component None of these Total pressure Temperature Vapour pressure of either component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. Both A and B Is one at unity value of Neither A nor B Increases with increase in Both A and B Is one at unity value of Neither A nor B Increases with increase in ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Infinity Data insufficient Unity Zero Infinity Data insufficient Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. Marginal decrease in the number of Major decrease in the number of None of the listed here No change in theoretical Marginal decrease in the number of Major decrease in the number of None of the listed here No change in theoretical ANSWER DOWNLOAD EXAMIANS APP
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