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Author Question: What is the best pH level to maintain in a water tower? A) The pH of the water has very little ... (Read 276 times)

sam.t96

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on: Jul 24, 2018
What is the best pH level to maintain in a water tower?
 
  A) The pH of the water has very little effect on the operation of the cooling tower.
  B) Higher than 9
  C) Between 6.5 and 9
  D) Lower than 6

Question 2

Which of the following refrigerant safety designations indicate the refrigerant would require more than 400 parts per million to be hazardous?
 
  A) B1 B) B3 C) A1 D) B2


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kardosa007

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

C


sam.t96

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Reply 2 on: Jul 24, 2018
Wow, this really help

amcvicar

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Reply 3 on: Yesterday
Gracias!

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