The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is

Question

The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be

Options:

A . 20 m3/sec

B . 25 m3/sec

C . 30 m3/sec

D . 35 m3/sec

Answer: Option B

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