ACE POOL OPERATOR CLASS EXAM
QUESTIONS WITH COMPLETE
ANSWERS
How to decrease pH - Answer-Muriatic acid and sodium Bisclfate
How do you measure pH - Answer-Phenol Red #1
What do you test every hour - Answer-Free Chlorine, total chlorine, CC, pH, rate of flow,
pressure difference and max # of bathers
What do you test weekly - Answer-TA, Ch, Cya
What is the order to test the water - Answer-TA,CH,pH, sanitizers, CYA
What is the order of the hydraulic - Answer-Hair strainer, pump, influent gauze, effluent
gauge, heater, flow meter, chloremia- pipes to get to pool
What is the ratio of lifeguards to bathers - Answer-1 lifeguard to 50 bathers (25 for ace)
What determines how many lifeguards are needed - Answer-Size, shape, skill of
swimmers, location of swimmers
Importance of keeping record - Answer-State law, diagnostic tool, legal defence,
required by pool
Mp - Answer-Main pool
Wp - Answer-Wading pool
When do you contact the health department for a replacement - Answer-When you use
a new piece and not the same type
How long do you keep records - Answer-State code for 2, statue of limitations 3 and
injured minor 2
Look out for swimmers who have - Answer-Severe bleeding, infectious and contagious
disease and diarrhea
How can you increase time to kill stuff in the pool - Answer-Increase ppm
Treat all solid fecal accidents like - Answer-Giardia
, Treat all diarrhea like - Answer-Cryptosporidium and close pool for the rest of the day
What is the lowest level chlorine concentration can be - Answer-2.0 ppm
PPM - Answer-parts per million
pH scale - Answer-0-6 acidic 7 neutral 8-14 basic
SDS - Answer-Safety Data Sheet
Why can't you store liquid chemicals above dry chemicals - Answer-It can combine and
explode and react
How long do you have to call the health department after a 911 call - Answer-24 hrs
1 lb of chlorine mixed with 1 mil lbs of water - Answer-Factors of water balance
Ta - Answer-Total Alkalinity
Ch - Answer-Calcium Hardness
T - Answer-Temp
TDS - Answer-total dissolved solids
What do you add if your high with acidic - Answer-Add base
What do you do if your high with base - Answer-Add acic
pH with pools/ spa - Answer-7.2ppm-7.8ppm ideal 7.4-7.6ppm
Total Alkalinity (TA) - Answer-Measure of water ability to resist a change to its pH
TA levels - Answer-60-180ppm legal 80-120 ideal
How to lower TA levels - Answer-Add sodium bicarb
How to raise TA levels - Answer-Sodium bisulphate
What color will show testing problems when testing pH - Answer-Pee and Barnie
What is Cya - Answer-The pools sunscreen
Ch levels - Answer-150-400 legal 200-400 ideal
How to raise Ch levels - Answer-Flake calcium chloride
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