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Author Question: When done properly, evacuation also yields which of the following benefits? A) A leak-tight ... (Read 63 times)

newbem

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When done properly, evacuation also yields which of the following benefits?
 
  A) A leak-tight system
  B) An increase in the system compression ratio
  C) A reduction in the amount of condenser surface available
  D) An increase of refrigerant pressure

Question 2

Why is evacuating a refrigeration system is important?
 
  A) Increases in the system high-side pressure and temperature can only be accomplished by proper evacuation.
  B) Noncondensable gasses and moisture, the two most common system contaminants, can be removed through evacuation.
  C) Evacuation is the only procedure to ensure that noncondensable gasses and moisture are removed from HFC systems with a POE lubricant.
  D) Evacuation increases the system head pressure and compression ratio.



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SAUXC

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Answer to Question 1

A

Answer to Question 2

B




newbem

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Reply 2 on: Jul 26, 2018
Gracias!


emsimon14

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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