Neco Model Questions Vol1 2018 Geography Question 30
Practice objective / multiple choice question 30 from the 2018 Neco Model Questions Vol1 Geography examination.
A rectangular drainage basin is 500 m long, 200 m wide and has an average depth of 2 m, giving a total storage capacity of 200,000 m³. The basin receives uniform rainfall of \(30\) mm hr\(^{-1}\). The runoff coefficient for the basin is \(0.70\) (i.e., \(70\%\) of the rainfall becomes runoff). Assuming no other inflow or outflow, calculate the number of hours of such rainfall required to fill the basin to capacity. Give your answer to one decimal place.
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About This Question
This is Neco Model Questions Vol1 2018 Geography Question 30. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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