engineering recuitment WBMSC Sub Assistant Engineer Civil Mock Test 2023 Fluid Mechanics Open Channel Flow Gradually Varied
Though Manning's formula is dimensionally non-homogeneous, it is commonly used in practice because:
1
it can be related to Chezy's coefficient or Darcy-Weisbach's friction factor.
2
it is in simple form
3
it was derived from extensive field data
4
it can be made dimensionally homogeneous