10 free PE Civil practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
PE Civil Practice Test 3Tutor mode
Question 1 of 10
Construction
A temporary sediment basin outlet must pass the design peak flow from a 5.0-ha construction site. The drainage area includes 2.0 ha of paved laydown area (C = 0.90) and 3.0 ha of grassed area (C = 0.25). The time of concentration is the sum of 12 min of overland flow and 8 min of gutter flow. Using the rational method, Q = CiA/360 with Q in m³/s, i in mm/h, and A in ha, the design peak flow is most nearly: