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Author Question: Which of the refrigerant ratings indicates that a refrigerant is considered highly flammable? A) ... (Read 85 times)

luvbio

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Which of the refrigerant ratings indicates that a refrigerant is considered highly flammable?
 
  A) B2 B) A1 C) B1 D) A3

Question 2

Why are split-system installation valves typically NOT used following installation?
 
  A) They do not control flow to service ports. B) They are usually stuck in the closed position.
  C) They limit flow to the service ports. D) They are usually stuck in the open position.



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jaygar71

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Answer to Question 1

D

Answer to Question 2

A




luvbio

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Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it


fatboyy09

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Reply 3 on: Yesterday
Gracias!

 

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