Group I gives a list of devices and Group II gives the list

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

The correct match of Group I with Group II is

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