Soils 456 Irrigation and Drainage Answers to chapter 8 questions

1. Determine the maximum operating pressure for 1- cinch schedule 40 OVC pipe.

450lb/in^2 * 0.72= 324lb/in^2

2. Select an appropriate minimum pressure rated 2 inch PVC pipe if the working pressure is 140 lb/in^2

14/0.72= 194 lb/in^2

3. Select an appropriate minimum pressure rated 2 inch PVC pipe if the working pressure is 830 kPa

830/0.72= 1152 kPa