40 TOP Mass Transfer Online Test – Multiple Choice Questions and Answers

1. _________ is concerned with the adsorption equilibria

2. In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation

3. In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve)

4. For a single component absorber, the operating line is straight only when plotted in term of __________ units

5. Minimum reflux ratio in a distillation column results in

6. Pick out the wrong statement

7. Flooding in a distillation column is detected by a sharp

8. A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is

9. Plate efficiency

10. Molality is defined as the number of gm moles of solute per __________ of solvent