Pool Operator Study Guide
Unlock all answers in this set
Unlock answersquestion
Ideal bromine level in a pool and spa is:
answer
3ppm to 6ppm
question
Ideal chorine level for a pool is:
answer
1ppm to 5ppm
question
Maximum level of chlorine in a pool is:
answer
5ppm
question
If you see bubbles coming up from a return, the possible cause could be
answer
a bad seal on the hair/lint strainer - it is not properly closed, or air is in the filter, or water level is too low
question
The hypochlorinator doesn't work. What could be a possible cause for this? a) no chlorine in the vat b) the injection fitting is clogged c) the tube assembly needs to be changed d) all of the above
answer
d) all of the above
question
You go to the pool in the morning and notice the chlorine is at zero. You hand-feed chlorine, how long to do you have to wait to allow people to go into the pool. a) no time b) 15 minutes c) 30 minutes d) One day
answer
c) 30 minutes
question
When doing the pH test and the sample turns yellow, what does it mean?
answer
pH is too low
question
When doing the pH test and the sample turns purple, what does it mean?
answer
pH is too high
question
What do you do if a patron complains of a chlorine smell and their eyes are stinging?
answer
Raise the chlorine to Breakpoint Level.
question
If the telephone at the pool doesn't work
answer
close the pool
question
What should you use when handling chemicals?
answer
Personal Protective Equipment - Gloves, Goggles, Apron
question
What happens if the alkalinity level is too low?
answer
pH is difficult to maintain, the water will cause damage to the pool walls
question
ADD CHEMICALS TO WATER; DO NOT ADD WATER TO CHEMICALS
answer
...
question
How do you lower the Calcium Hardness Level?
answer
Drain water out and add fresh water. Dilute the water.
question
What should you have if the water is deeper than 5 ft?
answer
Put up a safety line
question
If the chlorinator is working and you have chlorine in the vat, what is a possible reason for the chlorine reading being 0?
answer
The test could be bleached (chlorine level is too high)
question
What kind of filter media filters the smallest particles?
answer
Diatomaceous Earth (DE)
question
To be a pool operator you must
answer
complete pool operators training course
question
The strongest suction in the pool is
answer
the main drain
question
Electrical system at pool must have
answer
GFI's
question
The skimmer
answer
weir prevents floating material from re-entering the pool.
question
Filtration is the
answer
physical process of water moving through the system.
question
The time it takes for all the water to go through the filter system is the
answer
turnover rate
question
In most jurisdictions the turnover rate is
answer
6 hours
question
Algae forms because of
answer
poor circulation and/or low chlorine levels
question
Most common form of algae
answer
green
question
Worst type of algae
answer
black
question
What is responsible for stains in the pool?
answer
copper, iron, magnesium and other metals
question
To remove stains from the pool surface
answer
drain and acid wash the pool
question
Adding chlorine to the pool to the pool
answer
raises the pH
question
Adding bromine to a pool or spa
answer
lowers pH
question
The formula for area is
answer
length x width
question
formula volume is
answer
length x width by depth by 7.48 (num. x num. x num. x 7.48)
question
To measure the area for circular pool
answer
3.14 r^2
question
Flow Rate=
answer
Turnover Rate/Filter Media Rate
question
Flow Rate=
answer
number of gallons divided by hours of turnover (multiply hours by 60 to get minutes)
question
CDC states that the number of accidents related to swimming are:
answer
140,000
question
Minimum number of ladders required in a pool are:
answer
2
question
Stairs in a pool must be accompanied by a
answer
handrail must be anchored in the pool deck and in the bottom step
question
When a pool has deep water more than 5 feet must have
answer
a safety line and a slope line mark
question
Channeling means
answer
over the course of time the filter and sand is bad and deep channels are formed in the sand causing it to filter poorly
question
As the dirt in the filter accumulates the flow of water going through the filter
answer
decreases while filter pressure increases
question
removing dirt/particles from filter
answer
backwashing
question
High speed sand filters are able to filter how much water per minute per square foot?
answer
15-20
question
The flow of water through the filter is
answer
gallons per minute
question
Breakeven point level of chlorine at a pool you must have
answer
10 times the level of chloramines
question
If a patron smells chloramines (bad chlorine) you should
answer
shock the pool
question
Maximum temperature in a spa is
answer
104 degrees fahrenheit
question
Maximum bromine level in a spa is
answer
6ppm
question
pH levels should be
answer
7.2-7.8 (like a pool)
question
If you are using gas chlorine at a swimming pool the filter room must be
answer
WELL VENTILATED.
