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Q. |
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 3/sec |
B. | 25 m3/sec |
C. | 30 m3/sec |
D. | 35 m3/sec |
Answer» B. 25 m3/sec |
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