Group - I gives a list of devices and Group - II gives the list of uses
| Group - I | Group - II |
| P. Pitot tube | 1. Measuring pressure in a pipe |
| Q. Manometer | 2. Measuring velocity of flow in a pipe |
| R. Venturimeter | 3. Measuring air and gas velocity |
| S. Anemometer | 4. Measuring discharge in a pipe |
1
P – 1, Q – 2, R – 4, S – 3
2
P – 2, Q – 1, R – 3, S – 4
3
P – 2, Q – 1, R – 4, S – 3
4
P – 4, Q – 1, R –3, S – 2