REHS Questions and Verified Answers| 100% Correct |Grade A (Latest 2023\/ 2024 Update)<\/p>\n\n\n\n
REHS Questions and Verified Answers|
100% Correct |Grade A (Latest 2023\/ 2024
Update)
Q: The fresh water supply line to the pool must:
a. have a direct solid connection to the public water supply
b. fill to the pool through an approved air gap
c. have an approved pump hooked to the public water supply line to suck the water to the pool
for fast fills
d. none of the above
Answer:
fill to the pool through an approved air gap
Q: In large pools with outlets more than 5 feet from the end wall, pool inlets should be located
every:
a. 30 feet
b. 10 feet
c. 20 feet
d. 5 feet
Answer:
20 feet
Q: Pool inlets should be located a minimum of 10 inches to 15 inches below the water line to:
a. ensure good mixing
b. prevent clogging
c. prevent loss of disinfectant
d. ensure mixing of pH additives poured into the pool
Answer:
prevent loss of disinfectant<\/p>\n\n\n\n
Q: When chlorine is added to water: Answer: b. 20 ppm, 12.75 hours
a. one acid is formed
b. two acids are formed
c. HCL is considered the primary product
d. ozone is produced in large quantities
Answer:
one acid is formed
Q: The connection between the pool drain and the sanitary sewer must:
a. be solid copper no less than 3 inches in diameter
b. be solid cast iron or NSF approved PVC
c. have a properly located cleanout
d. be provided with an air gap no less than 2 pipe diameters of the discharge pipe
Answer:
be provided with an air gap no less than 2 pipe diameters of the discharge pipe
Q: If an REHS receives a complaint about an abandoned swimming pool that is green colored
and has mice, what should he or she do first?
a. verify with an inspection
b. contact another agency and discuss the details
c. discuss code with complainant, dismiss the complaint
d. catch the mice
Answer:
verify with an inspection
Q: Lighting, circuits and nearby receptacles should be protected by ground-fault circuitinterupters are required to help prevent __<\/em>.<\/p>\n\n\n\n
Electrocution
Q: _ <\/strong>is used to reduce the chlorine loss by protecting the free chlorine in the pool from
the sun’s ultraviolet rays, reducing the amount of chlorine needed to maintain proper sanitizer
levels.
Answer:
Cyanuric Acid
Q: In Utah, concentration of cyanuric acid in the water must be at least __<\/em> milligrams per liter,
but may not exceed 100 mg per liter
Answer:
10, 100
Q: Areas exposed to high levels of sunlight should maintain –<\/em><\/strong> ppm cyanuric acid
Answer:
60-80
Q: Under normal sunlight conditions –<\/em><\/strong> ppm cyanuric acid should be maintained
Answer:
30-50
Q: Diarrhea in a pool, chlorine level is raised to what and for how long?
a. 3 ppm, 19 minutes<\/p>\n\n\n\n
c. 7 ppm, 120 hours
d. 10 ppm, 72 hours
Answer:
20 ppm, 12.75 hours
Q: Which chemical will lower pH in a pool?
a. ozone
b. dichlor
c. trichlor
d. calcium hypochlorite
Answer:
trichlor
Q: Which is the slowest pool filter?
Answer:
Cartridge
Q: What is best for a leaking septic tank?
a. replace every 5 years
b. cover with a metal lining
c. inject seams with an epoxy resin
Answer:
inject seams with an epoxy resin
Q: Common causes of failure of septic tank seepage field systems include improper sizing, nonsuitable soil, non-servicing, and:
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