Sundance Irrigation Training
Hydraulic Study Questions

1.    ___________Calculate the loss in 7 feet of  ½” PVC pipe with a flow of 3 gpm.

2.    ___________Without exceeding the velocity of 5 feet per minute, what is the smallest sized pipe required to carry 8 gpm?

3.    ___________Using the 10% rule, what is the recommended flow through a ¾” meter with a static pressure of 47 psi?

4.    ___________Calculate the loss in a 1-inch section valve with a flow of 11 gpm.

5.    ___________Calculate the loss in a ¾” double check valve with a flow of 12 gpm.

6.    ___________Calculate the loss in 122 feet of 1-1/4” PVC with a flow of 17 gpm.

7.    ___________In a 1” meter with a static pressure of 56 psi, what is the maximum recommended flow?

8.    ___________Without exceeding the velocity rules, what is the smallest size pipe used to carry a flow of 32 gpm?

9.    ___________Calculate the loss in 12 feet of 1 inch “K” copper with a flow of 18 gpm.

10.    ___________Calculate the loss in 14 feet of 1” PVC pipe with a flow of 13 gpm.

11.    ___________Calculate the loss in a 1” RPZ  with a flow of 15 gpm.

12.    ___________Using the 75% rule, what is the recommended flow through a 1” meter?

13.    ___________Calculate the loss in 26 feet of 1 inch “K” copper with a flow of 40 gpm.

14.    ___________What is the smallest size PVB to be used without exceeding 7.5 feet per second for a flow of 25 gpm?

15.    ___________Without exceeding 5 feet per second, what is the smallest diameter pipe needed to accommodate a flow of 20 gpm?

16.    ____________What is the velocity of flow of 15 gallons per minute in 1” PVC?

17.    ____________Calculate the loss in a 2” section valve with a flow of 42 gpm.

18.    ____________In a 5/8” meter with a static pressure of  44 psi, what is the recommended flow?

19.    ____________What is the pressure at the base of a column of water 97 feet high?

20.    ____________If the static pressure were 242.91 psi, how tall is the column of water?

Answers