Irrigation Engineering

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
Answer: Option B.
Explanation: 

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