QUESTIONS AND CORRECT ANSWERS
GRADED A+
◉ To prevent spinal injuries when diving in pools, what needs to
happen? Answer: "No diving" markers should be present, no diving in
under 6 feet of water, and only diving from diving boards or stands
should be allowed
◉ Built in stairs are commonly used in what end of pools and must have
what? Answer: Shallow ends and secure handrails
◉ Who is responsible for maintaining the daily pool operation log?
Answer: The certified pool operator
◉ What is the strongest point of suction in a pool that may lead to
entrapment and drowning of a bather? Answer: The main drain
◉ There must be how many ladders or stairways provided in a pool for
adequate access and egress for swimmers? Answer: Two
◉ What is the physical process of removing suspended particles from
the pool water called? Answer: Filtration
, ◉ As dirt accumulates inside a filter, the amount of water that can pass
through the filter... Answer: Decreases
◉ What is a damaging condition that occurs over time in a sand filter?
Answer: Channeling
◉ What is the process of removing accumulated particles from inside a
sand filter? Answer: Backwashing
◉ High rate sand filters typically have a filter rate of how many gallons
per minute per square foot? Answer: 15-25
◉ The volume of water going through a filter system in measured in...
Answer: Gallons per minute
◉ The turnover rate for a swimming pool is every... Answer: 6 hours
◉ What is the equation for a surface area of a rectangular or square
pool? Answer: Length x width = surface area
◉ What is the equation for surface area of a circular pool? Answer: 3.14
(pie) x r^2 = surface area (r=radius)