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

1. _________ is concerned with the adsorption equilibria

2. 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

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

4. Pick out the wrong statement

5. Plate efficiency

6. Minimum reflux ratio in a distillation column results in

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

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

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

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