Closed Loop Systems Monitoring and Testing
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Questions and Answers

Why should pH tests be done on a monthly basis for all systems?

  • To measure the make-up water usage
  • To evaluate the freezing point of glycol systems
  • To monitor the levels of dissolved solids
  • To check for the consumption of inhibitors (correct)
  • What is the purpose of initially dosing heating and cooling systems with sodium sulfite?

  • To scavenge oxygen (correct)
  • To increase the conductivity
  • To reduce the pH levels
  • To lower the freezing point
  • Why should conductivity measurements be done on a monthly basis?

  • To check for the consumption of inhibitors
  • To monitor the levels of dissolved solids (correct)
  • To measure the make-up water usage
  • To evaluate the freezing point of glycol systems
  • What does high make-up water usage indicate?

    <p>Leaks that require repair</p> Signup and view all the answers

    Why should systems containing glycol be tested annually for freeze point and inhibitor?

    <p>To evaluate the freezing point of glycol systems</p> Signup and view all the answers

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