The first step in troubleshooting a system is: A) Replacing ...

[oliviahorn72]

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]

Answer to Question 1

C

Answer to Question 2

A

[oliviahorn72]

Thanks

[ririgirl15]

Welcome