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Author Question: Who may refill a DOT 39 nonrefillable cylinder? A) Only EPA-certified refrigerant recyclers B) ... (Read 41 times)

formula1

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on: Jul 24, 2018
Who may refill a DOT 39 nonrefillable cylinder?
 
  A) Only EPA-certified refrigerant recyclers B) Only certified technicians
  C) Only refrigerant manufacturers D) Nobody

Question 2

How do piercing pliers differ from braze-on piercing valves with regard to how they are used on sealed systems?
 
  A) Piercing pliers cannot be used to recover refrigerant.
  B) Piercing pliers cannot be a permanent solution.
  C) Piercing pliers require a bolted valve.
  D) Piercing pliers have a greater danger of causing overheating.


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kmb352

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

D

Answer to Question 2

B


formula1

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Reply 2 on: Jul 24, 2018
Gracias!

cam1229

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Reply 3 on: Yesterday
Wow, this really help

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