Certified Pool Operator Practice Test

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Study for the Certified Pool Operator Test. Prepare with comprehensive flashcards and multiple-choice questions. Each question includes hints and detailed explanations. Get ready for your exam!

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Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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If the local health department requires raising the free chlorine to 5 ppm in a 120,000-gallon pool, how much sodium hypochlorite is needed?

  1. 2 gallons

  2. 3.5 gallons

  3. 5.5 gallons

  4. 7 gallons

The correct answer is: 3.5 gallons

The other options are incorrect because they are either too small or too large of quantities of sodium hypochlorite. Option A would not be enough to reach the desired 5 ppm in a large 120,000-gallon pool. Options C and D would likely result in an overdose of chlorine, which can be harmful to swimmers and can damage pool equipment. Option B is the most appropriate and accurate choice for achieving the required chlorine level in a 120,000-gallon pool.

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