NCEES Civil PE Specification Hydraulics and Hydrology: Open Channel flow

**Problem**

Determine the minimum diameter required for an unpressurized sewer circular pipe to carry a maximum flow of \(20\ ft^3/sec\)

Consider the following:

• Circular Pipe with Full Flow Conditions.

• Pipe material is PVC.

• Slope of 1.5%.

**Select an Answer: **