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Author Question: What is the maximum safe amount of refrigerant for a recovery cylinder with a water capacity of 50 ... (Read 449 times)

cabate

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on: Jul 24, 2018
What is the maximum safe amount of refrigerant for a recovery cylinder with a water capacity of 50 lb, holding a refrigerant with a specific gravity of 0.9?
 
  A) 50 lb  0.9 = 45 lb B) 50 lb  0.8  0.9 = 36 lb
  C) 50 lb  0.8 = 40 lb D) 50 lb

Question 2

Liquid refrigerant should always be recovered first from chillers:
 
  A) To ensure that all the oil is removed from the compressor.
  B) To keep from freezing the water in the chiller tubes.
  C) To prevent the removal of refrigerant oil with the refrigerant.
  D) To ensure the best mixing of refrigerant and water during recovery.


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manuelcastillo

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

B

Answer to Question 2

B


cabate

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


manuelcastillo

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


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