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CPO Test EXAM 2024 QUESTIONS & ANSWERS 2024 ( A+ GRADED 100% VERIFIED).
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CPO Test EXAM 2024 QUESTIONS & ANSWERS2024 ( A+ GRADED 100% VERIFIED)
to lower pH add: - Correct Answer - muriatic acid
carbon dioxide
to increase pH add: - Correct Answer - sodium carbonate
sodium hydroxide
sodium sesquicarbonate
the acceptable pH range is:
a) 6.8-7.0
b) 7.2-7.8
c) 7.0-7.4
d) none of the above - Correct Answer - b) 7.2-7.8
the ideal pH range is:
a) 7.4-7.6
b) 7.8-8.0
c) 6.8-7.4 - Correct Answer - a) 7.4-7.6
free chlorine is a(n):
a) oxidizer
b) stabilizer
c) active disinfectant - Correct Answer - c) active disinfectant
it is common practice to maintain free chlorine at:
a) 1.0-2.0 ppm
, b) 2.0-4.0 ppm
c) 5.0-7.0 ppm - Correct Answer - b) 2.0-4.0 ppm
what is the maximum free chlorine that should be used?
a) 6.0 ppm
b) 1.0 ppm
c) 5.0 ppm - Correct Answer - c) 5.0 ppm
combined chlorine is NOT an effective:
a) oxidizer
b) stabilizer
c) disinfectant - Correct Answer - c) disinfectant
hypochlorous acid is a(n):
a) oxidizer
b) stabilizer
c) disinfectant
d) both A and C - Correct Answer - d) both A and C
the maximum combined chlorine allowed in a pool is:
a) 0.5 ppm
b) 0.7 ppm
c) 0.1 ppm
d) 0.2 ppm - Correct Answer - d) 0.2 ppm
available chlorine content is a comparison of the relative amount of ________ released into water for
different disinfectants. - Correct Answer - chlorine
active chlorine percentage is the percentage by _________ of technical grade active ingredient in the
product. - Correct Answer - weight
name the unstabilized chlorines/disinfectants - Correct Answer - sodium hypochlorite
calcium hypochlorite
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