AL Drainage Irrigation Practice Questions - Alabama Drainage, Irrigation And Flood Control Contractor Examination Exam

Using the Rational Method, peak runoff Q is calculated as Q = CiA. What does the variable i represent?

Infiltration rate of the soil in inches per hour Rainfall intensity for the design storm in inches per hour Invert elevation of the outfall structure Irrigation application rate in gallons per minute

Correct Answer:

Rainfall intensity for the design storm in inches per hour

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