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Author Question: Which of the following statements about ammonia as a refrigerant is true? a. Ammonia is slightly ... (Read 74 times)

Shelles

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on: Jul 24, 2018
Which of the following statements about ammonia as a refrigerant is true?
 
  a. Ammonia is slightly less efficient in heat transfer than halocarbon refrigerants.
  b. Ammonia costs more than other common refrigerants.
  c. Ammonia is poisonous and must be handled with extreme care.
  d. Ammonia piping cannot be constructed from copper.

Question 2

Which of the following refrigerants poses the greatest threat to the ozone layer?
 
  a. CFC
  b. HCFC
  c. HFC
  d. Ammonia


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jsm54321

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

d

Answer to Question 2

a


Shelles

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Reply 2 on: Jul 24, 2018
Gracias!

pratush dev

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Reply 3 on: Yesterday
Wow, this really help

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