Questions Ans Answers.
1. In a Public Swimming Pool backwash or pool draining water has to go through what before itgoes into
the sanitary sewer line? - Air Gap
2. In a therapy spa what is the maximum temperature at the heater return outlet? - 122 degrees
3. When testing for the disinfection efficacy of process equipment the recommended ph of thepool
water should be: - 7.2 - 7.6
4. What type of filter precedes the pump? - vacuum E.
5. In a public spa, what is considered "neutral PH if the chlorine reading is "00"? - 7
6. Handrails & grabrails shall extend a minimum of ________ above the pool deck? - 30"
7. If you have a saturation index reading of +0.2 your pool water would beconsidered_____________. -
C Balanced
8. According to Chapter 64E-9, a public pool can be immediately closed by the department whenthe
pH of the pool water is below - 7.2
9. What gives a pool pump the ability to handle air and re-prime itself? - Volute
10. Underwater pool lighting shall be located not less than 18" below the normaloperating water level
of the pool as measured from ___________. - The top of the installed luminaire lens
, 11. A high-rate sand filter is a sand filter designed for flows in excess of ___ gallons per minuteper
square foot - 5
12. In a Public Swimming pool, regarding stairs: the minimum stair horizontal tread depth shallbe
____________. - 10"
13. What is the term for quickly opening & closing a welding tank's valve to clean out debris? - Cracking
14. How many BTU's will it take to heat 1 gallon of water 1degree Fahrenheit? - 8.33 BTU's
15. One-foot pressure of head is equal to ______ PSI at the pump? - 0.433 PSI
16. To find a gas chlorine leak, the best method is to use a plastic bottle containing _________and
squeeze to release only vapors. - 26E BE Ammonia
17. In Public Swimming pools, diving board platforms and ladders shall have a _______ finish. - Non-
absorbent & slip resistant
"18. Before a regulator to a cylinder valve is connected, the valve shall be opened slightly andclosed
immediately to clear the valve of dust & dirt that might otherwise enter the regulator. This process is
known as ___________." - Cracking
"19. How many gallons of water are in a pool measuring 20 feet by 40 feet, with a uniform
slopebetween a depth of 3 feet on the shallow end and 7 feet on the deep end? (select closest
answer)" - 30,000
20. Which is a requirement for testing water in a commercial swimming pool? - None of the above.
21. According to ANSI/NSPI, In a public spa the piping furnished with the filter shall be ofsuitable
material capable of withstanding _________ the working pressure. - One and one-half
22. What valves are not part of the pool recirculation system? - Hydrostatic Valves