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Which parameter does not directly affect the peak flow estimation using the Rational Method?
30. Which parameter does not directly affect the peak flow estimation using the Rational Method?
- Stream length
- Drainage area
- Runoff coefficient
- Rainfall intensity
Answer
The correct answer is: A) Stream length
Explanation
Stream length does not directly affect the Rational Method calculation. The method primarily uses rainfall intensity, drainage area, and runoff coefficient to estimate peak flow.