Condensate Testing: pH, Hardness, and Conductivity
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Questions and Answers

What is the purpose of corrosion coupons?

  • To evaluate the flow of material in pipes
  • To provide instantaneous readings of system corrosiveness
  • To estimate average corrosion rates (correct)
  • To determine the composition of the piping system
  • Why are corrosion coupons immersed in condensate for a period of time?

  • To measure the approximate corrosion rate (correct)
  • To evaluate the flow of material in pipes
  • To prevent galvanic corrosion
  • To clean the coupons of system contaminants
  • Why should coupons that have been in place for only a month not be compared to coupons in place for three months?

  • Because they are cleaned and weighed after 1 to 3 months
  • Because they are made of various shapes
  • Because they are affected by galvanic corrosion
  • Because the most metal loss occurs in the first month due to passive layer formation (correct)
  • What can negatively affect the test results of corrosion coupons?

    <p>Handling the coupons with bare hands</p> Signup and view all the answers

    What material is usually used to hold the corrosion coupons in place?

    <p>Teflon bolts</p> Signup and view all the answers

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