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Author Question: Which of the following statements about converting a system from one refrigerant to another is ... (Read 119 times)

armygirl

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on: Jul 24, 2018
Which of the following statements about converting a system from one refrigerant to another is incorrect ?
 
  a. Synthetic and mineral oils are completely compatible.
  b. A new metering device may be required.
  c. Equipment capacity may change with the new refrigerant.
  d. Gaskets and O-rings may have to be changed.

Question 2

If oil is not returning to the compressor, a possible cause is _____.
 
  a. poorly designed refrigerant piping
  b. oil viscosity
  c. incorrect refrigerant type
  d. that the oil is too miscible


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welcom1000

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

a

Answer to Question 2

a


armygirl

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Reply #2 on: Jul 24, 2018
TY


welcom1000

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Reply #3 on: Jul 24, 2018
You're welcome


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