Q. According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions) (Solved)
1. (2/3) × Cd (L - nH) ×
2. (2/3) × Cd (L - 0.1nH) × × H3/2
3. (2/3) × Cd (L - nH) × × H²
4. (2/3) × Cd (L - nH) × × H5/2
- b. (2/3) × Cd (L - 0.1nH) × × H3/2