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Author Question: Which of the following is a promising new refrigerant lubricant? A) Polyalkylene glycol B) ... (Read 86 times)

danielfitts88

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on: Jul 24, 2018
Which of the following is a promising new refrigerant lubricant?
 
  A) Polyalkylene glycol B) Mineral oil
  C) Polyol ester D) Polyvinylether

Question 2

What is the advantage of an oxyacetylene torch compared to an air acetylene torch?
 
  A) Unlike acetylene torches, oxyacetylene torches do not oxidize metal when heating it.
  B) It is a more intense flame that heats up the parts faster than air acetylene flames.
  C) Oxyacetylene flames cannot form carbon.
  D) Oxyacetylene equipment is simpler.


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sierrahalpin

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

D

Answer to Question 2

B


danielfitts88

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

raili21

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Reply 3 on: Yesterday
Excellent

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