Neco Model Questions Vol1 2019 Geography Question 35
Practice objective / multiple choice question 35 from the 2019 Neco Model Questions Vol1 Geography examination.
An agricultural field of area (2\) ha receives a design storm with rainfall intensity (30\) mm hr\(^{-1}\). The runoff coefficient for the field is (0.6\). (i) Calculate the peak runoff discharge \(Q\) in cubic metres per second using the rational method. (ii) If the drainage pipe must convey this discharge without exceeding a flow velocity of (1.5\) m s\(^{-1}\), determine the minimum internal diameter of a circular pipe required (give the answer in millimetres, rounded to the nearest whole number).
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About This Question
This is Neco Model Questions Vol1 2019 Geography Question 35. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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