Match the following
$$\begin{array}&&\textbf{Group I} & \textbf{Group II} \\ &\text{P. Turbulence} & \text{I. Reciprocating pump}\\
&\text{Q. $NPSH$} & \text{II. Packed bed} \\
&\text{R. Ergun equation} & \text{III. Fluctuating velocity} \\
&\text{S. Rotameter} & \text{VI. Impeller} \\ &\text{T. Power number} & \text{V. Vena contracta} \end{array}$$
- P-III, R-II, T-IV
- Q-V, R-II, S-III
- P-III, R-IV, T-II
- Q-III, S-V, T-IV