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?