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
A. 2 hours
B. 4 hours
C. 6 hours
D. 8 hours
Answer: Option D
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 hrs.
L = overland flow in KM.
L = 13.58KM.
H = 10 m.
Therefore,
Ti = 7.999 say 8hrs.