railway RRB JE (CBT I + CBT II) Mock Test 2024 Fluid Mechanics Flow Through Pipes Friction Loss (Darcy Weisbach Equation)
For a fully–developed flow of water in a pipe having a diameter 10 cm, velocity 0.2 m/s, and kinetic viscosity 10-5 m2/s, what is the value of the Darcy friction factor?
1
6.4
2
0.032
3
0.064
4
0.64