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Author Question: What is the purpose of annealing copper tubing? A) To allow the tubing to be formed without ... (Read 57 times)

Themember4

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What is the purpose of annealing copper tubing?
 
  A) To allow the tubing to be formed without cracking or buckling
  B) To remove impurities from the copper
  C) To prepare the tubing for brazing
  D) To harden the tubing and improve its strength

Question 2

Fractionation can occur within zeotropic refrigerating when they:
 
  A) Change temperature. B) Freeze.
  C) Change state. D) Mix.



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meganlapinski

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Answer to Question 1

A

Answer to Question 2

C



Themember4

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Both answers were spot on, thank you once again




 

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