What visual clues on a system can indicate the presence of a ...

[khang]

What visual clues on a system can indicate the presence of a refrigerant leak?
 
  A) A greenish stain around the area of the leak
  B) Refrigerant bubbles forming around the leak
  C) A visible cloud of refrigerant in the area of the leak
  D) Oil stains around the area of the leak

Question 2

Where should the humidity level sensor be placed?
 
  A) In the return-air plenum B) In the dehumidifier
  C) In the conditioned space D) In the outside air supply duct

[joanwhite]

Answer to Question 1

D

Answer to Question 2

C

[khang]

Thanks for the timely response, appreciate it

[kishoreddi]

Great answer, keep it coming