engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Fluid Mechanics Open Channel Flow Gradually Varied
A rectangular channel section will be most economical when the depth of flow and bottom width are in the ratio of
1
1 ∶ 4
2
1 ∶ 1
3
1 ∶ 2
4
2 ∶ 1