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Author Question: The first step in troubleshooting a system is: A) Replacing defective components. B) Recognizing ... (Read 64 times)

oliviahorn72

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on: Jul 24, 2018
The first step in troubleshooting a system is:
 
  A) Replacing defective components.
  B) Recognizing what component is operating incorrectly.
  C) Understanding the system operational sequence.
  D) Testing to isolate the cause.

Question 2

An expansion tank problem may be indicated by:
 
  A) A weeping relief valve. B) A defective mixing valve.
  C) A clogged air separator. D) A low pressure problem.


ririgirl15

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

C

Answer to Question 2

A


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oliviahorn72

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Reply #2 on: Jul 24, 2018
Thanks


ririgirl15

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Reply #3 on: Jul 24, 2018
Welcome :)


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