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

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

2. _________ is concerned with the adsorption equilibria

3. 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

4. Pick out the wrong statement

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

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

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

10. Plate efficiency