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Q: A watershed having an area of 4 km² is subjected to a rainfall event of 9 cm. thereby generating stream flow at the outlet of the watershed for 10 h. If the average stream flow rate at the outlet of the catchment is 5 m3/s, occurring for a period of 10 h, the runoff co-efficient of the watershed for the storm is:
  • A. 0.3
  • B. 0.5
  • C. 0.6
  • D. 0.4
Correct Answer: Option B -
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Explanations:

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