Waec Model Questions Vol1 2020 Geography Question 22

Practice objective / multiple choice question 22 from the 2020 Waec Model Questions Vol1 Geography examination.

Waec Model Questions Vol1 2020 Geography Objective / Multiple Choice Medium Difficulty
Question 22 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • GEOGRAPHY • objective

A small catchment of 2 km² has land use distribution: 40% residential (runoff coefficient C = 0.70), 35% agricultural (C = 0.30) and 25% forest (C = 0.15). The design storm has a 30‑minute rainfall intensity of 80 mm/h. Using the Rational method Q = 0.278 C i A (where A is in hectares, i in mm/h and Q in m³/s), calculate the peak discharge from the catchment.

Answer Options

A. 1750 m³/s
Correct Answer B. 1880 m³/s
C. 1520 m³/s
D. 2100 m³/s
Correct Answer
B
Correct Option:
1880 m³/s

About This Question

This is Waec Model Questions Vol1 2020 Geography Question 22. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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