Match List I with List II:
| List I (Dimensionless Quantity) | List II (Application) |
| (A) Number of transfer units | (I) Recuperative type heat exchangers |
| (B) Periodic flow heat | (II) Regenerative type heat exchangers |
| (C) Chemical additive | (III) A measure of heat exchanger size |
| (D) Deposition heat exchanger | (IV) Prolongs dropwise condensation surface |
| (V) Fouling factor |