Neco Model Questions Vol1 2021 Geography Question 47
Practice objective / multiple choice question 47 from the 2021 Neco Model Questions Vol1 Geography examination.
A catchment area is rectangular, 2.5 km long and 1.2 km wide, with an average slope of 2 %. During a storm, 120 mm of rain falls uniformly over 24 h, and the infiltration loss is 30 mm. The land use consists of 30 % impervious surfaces (runoff coefficient 0.9) and 70 % permeable surfaces (runoff coefficient 0.5). Using the rational method, determine the peak discharge (in m³ s⁻¹) from the catchment.
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About This Question
This is Neco Model Questions Vol1 2021 Geography Question 47. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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