If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is
A. 2 hours
B. 3 hours
C. 4 hours
D. 5 hours
Answer: Option C
This Question Belongs to Civil Engineering >> Waste Water Engineering
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Ti = [0.885 L^3/H]^0.385
Where Ti = inlet time in hr.
L = overland flow in KM.
L = 8 KM.
H = 12.4 M.
Therefore,
Ti = 3.99 == 4hr.