Civil Engineering MCQAE Level Civil Engineering
Using the rational formula, estimate peak runoff for C = 0.6, rainfall intensity = 50 mm/h and catchment area = 2.5 km^2
Fluid MechanicsGeneralMEDIUM
Choose the correct answer
A
10.43 m^3/s
B
20.85 m^3/s
C
75.00 m^3/s
D
41.70 m^3/s
Correct Answer
B. 20.85 m^3/s
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Q = 0.278 C I A = 0.278 x 0.6 x 50 x 2.5 = 20.85 m^3/s.
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