# A differential manometer is used to measure :

- pressure in Venturimeter
- atmospheric pressure
- difference of pressure between two points in a pipe
- pressure in pipe

**Answer: (3) difference of pressure between two points in a pipe**

- pressure in Venturimeter
- atmospheric pressure
- difference of pressure between two points in a pipe
- pressure in pipe

**Answer: (3) difference of pressure between two points in a pipe**