Hydraulic Study Questions Answers
1. ___
.13_____Calculate the loss in 7 feet of
½” PVC pipe with a flow of 3 gpm.
2. ___
.75_____Without exceeding the velocity of
5 feet per minute, what is the smallest sized pipe required to carry 8 gpm?
3. ____
17_____Using the 10% rule, what is the
recommended flow through a ¾” meter with a static pressure of 47 psi?
4. ____
1.7____Calculate the loss in a 1-inch section
valve with a flow of 11 gpm.
5. ____
4_____Calculate the loss in a ¾”
double check valve with a flow of 12 gpm.
6. ____
1.37___Calculate the loss in 122 feet of
1-1/4” PVC with a flow of 17 gpm.
7. ____
37.5___In a 1” meter with a static pressure
of 56 psi, what is the maximum recommended flow?
8. ____
1.5____Without exceeding the velocity rules,
what is the smallest size pipe used to carry a flow of 32 gpm?
9. ____
1.25___Calculate the loss in 12 feet of
1 inch “K” copper with a flow of 18 gpm.
10. ___
.29_____Calculate the loss in 14 feet of
1” PVC pipe with a flow of 13 gpm.
11. ___
11______Calculate the loss in a 1” RPZ
with a flow of 15 gpm.
12. ___
36______Using the 75% rule, what is the
recommended flow through a 1” meter?
13. ___
11.94___Calculate the loss in 26 feet of
1 inch “K” copper with a flow of 40 gpm.
14. ___
1"______What is the smallest size PVB to
be used without exceeding 7.5 feet per second for a flow of 25 gpm?
15. ___
1.25____Without exceeding 5 feet per second,
what is the smallest diameter pipe needed to accommodate a flow of 20 gpm?
16. ___
4.33_____What is the velocity of flow of
15 gallons per minute in 1” PVC?
17. ___
1.2______Calculate the loss in a 2” section
valve with a flow of 42 gpm.
18. ___
11_______In a 5/8” meter with a static
pressure of 44 psi, what is the recommended flow?
19. ___
42_______What is the pressure at the base
of a column of water 97 feet high?
20. ___
560.99'_ If the static pressure were
242.91 psi, how tall is the column of water?