CPO Pool Calculations and Formulas 2

Question 1

A rectangular pool is 75 feet long, 30 feet wide, and has an average depth of 6 feet. Using 7.5 gallons per cubic foot, what is the pool volume in gallons?

Accepted Answer

101,250 gallons

Answer

13,500 gallons

Answer

67,500 gallons

Answer

135,000 gallons

Question 2

A circular pool has a radius of 15 feet and an average depth of 5 feet. Using π ≈ 3.14, what is the volume in gallons?

Accepted Answer

26,494 gallons

Answer

13,247 gallons

Answer

35,325 gallons

Answer

52,988 gallons

Question 3

A pool contains 120,000 gallons and state code requires the water to turn over every 6 hours. What minimum pump flow rate in GPM is required?

Accepted Answer

333 GPM

Answer

200 GPM

Answer

267 GPM

Answer

400 GPM

Question 4

Which constant is used when calculating the volume of an oval (elliptical) pool?

Accepted Answer

5.9

Answer

7.5

Answer

3.14

Answer

0.785

Question 5

A pool pump operates at 250 GPM. How many gallons does it circulate in 8 hours of continuous operation?

Accepted Answer

120,000 gallons

Answer

30,000 gallons

Answer

60,000 gallons

Answer

240,000 gallons

Question 6

A pool with an irregular shape has a measured surface area of 800 square feet and an average depth of 4 feet. What is the pool volume in gallons?

Accepted Answer

24,000 gallons

Answer

3,200 gallons

Answer

12,000 gallons

Answer

32,000 gallons

Question 7

A small spa holds 600 gallons and local code requires it to turn over every 30 minutes. What minimum flow rate in GPM is required?

Accepted Answer

20 GPM

Answer

10 GPM

Answer

30 GPM

Answer

60 GPM