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Author Question: The most common HCFC refrigerant is which of the following? A) R-124 B) R-23 C) R-22 D) ... (Read 18 times)

piesebel

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The most common HCFC refrigerant is which of the following?
 
  A) R-124 B) R-23 C) R-22 D) R-142

Question 2

What material is used for air-conditioning drain lines?
 
  A) PVC B) Galvanized iron pipe
  C) CPVC D) Copper



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EAN94

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Answer to Question 1

C

Answer to Question 2

A




piesebel

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Reply 2 on: Jul 24, 2018
Excellent


covalentbond

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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