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Author Question: Which of the following refrigerant conversions is not considered a drop-in? a. HFC-134a for ... (Read 56 times)

magmichele12

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on: Jul 24, 2018
Which of the following refrigerant conversions is not considered a drop-in?
 
  a. HFC-134a for HCFC-22
  b. HCFC-409A for CFC-12
  c. HFC-407C for HCFC-22
  d. HCFC-123 for CFC-11

Question 2

Which currently available refrigerant can no longer be installed in new equipment at the manufacturing
  level?
 
  a. HFC-134a
  b. HCFC-22
  c. HFC-410A
  d. HFC-407C


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SeanoH09

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

a

Answer to Question 2

b


magmichele12

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  • Posts: 559
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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