1321Civil EngineeringMedium
If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is________?
A6 hours
B2 hours
C4 hours
D8 hours
Correct answer
D. 8 hours
Explanation
The correct answer is 8 hours.