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Author Question: When connecting gauges to an already installed and operating unit with split-system installation ... (Read 23 times)

lracut11

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When connecting gauges to an already installed and operating unit with split-system installation valves, the installation valves should be:
 
  A) Frontseated to allow the gauges to read the system pressures.
  B) Left alone.
  C) Backseated as tightly as possible to prevent refrigerant from escaping.
  D) Moved to the mid position to allow the gauges to read the system pressures.

Question 2

Ground-up aluminum can react violently with which of the following?
 
  A) CFC and HFC B) CFC C) HFC D) Oxygen



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kilada

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Answer to Question 1

B

Answer to Question 2

C





 

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