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The Peak of a 4 Hour Flood Hydrograph Is 240

Question 22

Multiple Choice

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


A) 20 m3/sec
B) 25 m3/sec
C) 30 m3/sec
D) 35 m3/sec

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