Q. Identify the correct statement (Solved)
1. Frictional resistance in a pipe depends on the square of area of the wetted surface
2. Frictional resistance in a pipe decreases with density of the fluid
3. Frictional resistance in a pipe is dependent on the fluid pressure
4. Frictional resistance in a pipe increases with the square of velocity
5. Frictional resistance in a pipe is independent on surface roughness
- d. Frictional resistance in a pipe increases with the square of velocity