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?