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Author Question: What is the purpose of annealing copper tubing? A) To allow the tubing to be formed without ... (Read 103 times)

Themember4

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

A

Answer to Question 2

C


Themember4

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


meganlapinski

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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