Civil Engineering MCQAE Level Civil Engineering
Runoff coefficient in rational method represents
Fluid MechanicsGeneralMEDIUM
Choose the correct answer
A
fraction of rainfall appearing as direct runoff
B
permeability of pipe
C
Manning roughness
D
unit hydrograph duration only
Correct Answer
A. fraction of rainfall appearing as direct runoff
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Q = CIA uses C to represent runoff-producing fraction of rainfall.
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