Q. If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchmentin square kilometres is A, the total run-off Q, is given by (Solved)
1. Q = 1.758 × 102× API (B) (C) (D)
2. Q = 2.758 × 102× API
3. Q = 2.758 × 103× API
4. Q = 2.758 × 103× A/PI
- c. Q = 2.758 × 103× API