Neco Model Questions Vol1 2022 Geography Question 26
Practice objective / multiple choice question 26 from the 2022 Neco Model Questions Vol1 Geography examination.
A drainage basin of 12 km\(^2\) has three land‑use types: residential covering 40% with runoff coefficient 0.70, agricultural covering 30% with coefficient 0.30, and forest covering 30% with coefficient 0.15. The basin slope is 5 % and the length of the main stream is 2 km. Using the rational method where the rainfall intensity (mm hr\(^{-1}\)) is given by \(i = 0.6\sqrt{L}\) with \(L\) in km, calculate the peak discharge \(Q\) in m\(^3\) s\(^{-1}\). (Use \(Q = 0.00278\,C\,i\,A\) where \(A\) is in hectares.)
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About This Question
This is Neco Model Questions Vol1 2022 Geography Question 26. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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