Enrolled in a Certified Pool Operator Certification Class? Okay, maybe you haven’t been in school for a long time. I get it. Studying for a test is something we had to learn to do. Then, we practiced it over and over again until it just was. That is up until we left school. Now what? Those same methods we learned along the way still work, so we have created the CPO Class Flashcards.

Those methods we used back in the day still work. There is no reason that on top of taking the CPO Class that you should be expected to reinvent the wheel when it comes to studying for it. Honestly, in a two day class with so much information, that is brand new in many cases, being thrown at you, this class can be a lot like trying to take a sip of water from a fire hose. That’s why we at AFT&C have created an online self-guided study program that contains Videos, the CPO Class Flashcards you are about to see, a Practice CPO Math Test, and a Practice CPO Quiz. You can find these at AFT&C CPO Practic Test

## CPO Flashcards

The only point at which a suction side leak will draw in air and drip water

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The Mechanical Seal (Pump Seal)

The Best Method of Algae Prevention

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Brushing Pool Walls & Floor

Amount of Water that can be held in a cubic foot

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The name of the chemical we use to test pH

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Total Chlorine - Free Chlorine =

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This is what is used to lubricate the pump lid O-ring

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A Silicone or Teflon based lubricant

The method a Saltwater pool uses to generate chlorine

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The protozoa associated with a human solid stool

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The only method of lowering pH that will increase the Total Alkalinity

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The maximum amount of water that can pass through a DE filter

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2 gpm per square foot of filter area

This law was established to help to prevent suction entrapment

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Virginia Graeme Baker Pool and Spa Safety Act (VGB 2008)

This chemical neutralizes chlorine

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The formula used to calculate the surface area of a circle

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radius x radius x 3.14 = Surface Area

The recommended turnover rate for a public pool

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The maximum recommended temperature for a spa

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When should a vacuum DE filter be backwashed

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When the vacuum gauge reads greater than 8 inches of mercury

The most common form of suction entrapment

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Formula to convert ounces to pounds

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The first thing you should do when someone poops in the pool

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A swimming pool must maintain this amount of clearance

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Four feet 100% of the way around the pool at all times

The part of the pump that throws the water

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Sand returning to the pool is most likely do to what?

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The only method of raising pH without affecting the Total Alkalinity

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What is the correct amount of Diatomaceous Earth to add to a DE Filter?

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1 1/4 pounds per 10 square foot of filter area

The method used to clean a sand filter

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This device is designed to allow ground water to enter the pool as a "Pop-up" preventative

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This can be caused by moving a valve handle while the pump is running

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What is Cyanuric Acid used for?

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To prevent UV degradation of chlorine by the sun

The number one cause of accidental death of children ages 1-4 years

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The minimum height of a pool barrier

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This recreational water illness is contracted by breathing contaminated mist

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The formation and collapse of vapor in a liquid due to excessive vacuum

Best lighting to use for a water test

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The light of the Northern horizon

The sector of the health department that regulates public pools

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The type of feeder used for chlorine tablets

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The chemical used to increase Total Alkalinity

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The type of fire extinguisher that should be in a chemical storage area

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The placement of a device that prevents machinery from being operated until that device is removed

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Convert 640 ounces to gallons

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640 ounces ÷ 128 = 5 gallons

Convert 800 ounces to pounds

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800 ounces ÷ 16 = 50 pounds

Convert 50 meters to feet

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50 meters x 3.28 = 164 feet

Calculate the Surface area of a rectangle that is 20 feet wide and 40 feet long

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20 x 40 = 800 square feet

Calculate the average depth of a pool with a shallow end depth of 4 feet and a deep end depth of 8 feet

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(4 ft + 8 ft) ÷ 2 = 6 ft average depth

Calculate the gallonage of water in a rectangle pool that is 20 feet wide and 40 feet long with a depth that is 4 feet in the shallow end and 8 feet at the deep end

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20 x 40 x ((4+8) ÷ 2) x 7.5 = 36,000 gallons

Calculate the radius of a circle with a 12 foot diameter

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Calculate the surface area of a circle with a 12 foot diameter

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6 x 6 x 3.14 = 113.04 sq ft

Calculate the amount of water in a round pool with a 12 foot diameter and is 3 feet deep

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6 x 6 x 3.14 x 3 x 7.5 = 2,543.4 gallons

Formula to convert inches to feet

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Calculate the amount of water lost in a 20 foot wide rectangle pool that is 40 feet long that loses 1 inch of water

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20 ft x 40 ft x (1 ÷ 12) x 7.5 = 499.8 gallons lost

Formula for calculating Turnover rate

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Pool Gallons ÷ Flow Rate ÷ 60 = Turnover rate in hours

The height of the latch for the pool gate

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Calculate the flow rate necessary for a 30,000 gallon pool to have a 6 hour turnover rate

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30,000 ÷ 6 ÷ 60 = 83.33 gpm flow rate

The humidity in which the Natatorium must be maintained

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Flow rate ÷ Filter Media Rate = Square Feet of Filter Required

Protozoa associated with a human diarrheal incident

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Formula to Calculate required BTUs when sizing a heater

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Pool Gallons x 8.33 x Degrees of desired Temperature change = Total BTUs required

The four types of energy loss

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1. Evaporation 2. Convection 3. Radiation 4. Conduction

The chlorine level necessary to treat a fecal incident involving a solid stool

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2 ppm (If it's Poo, it's 2)

Chlorine level necessary to treat a fecal incident involving diarrhea

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20 ppm (If it's Runny, it's 20)

Formula to calculate Total Dynamic Head

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(Pressure gauge reading x 2.31) + (Vacuum gauge reading x 1.13) = Total Dynamic Head

The CPO Certification Test is

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Only 50 questions, all multiple choice, and open book You Got This!

##### Click button for CPO Practice Test ??????

Visit our group on Facebook to learn and share ideas with professionals like yourself Talking Pools FB Group

Hi

Does this work for european guys.

As long as you convert US measure to Metric and yield to the regulations established/enforced by your country’s Directorate-General of Health