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Author Question: Select the gases that are safe to use for refrigeration system pressure testing. (You may select ... (Read 75 times)

Caiter2013

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Select the gases that are safe to use for refrigeration system pressure testing. (You may select more than one.)
 
  A) Oxygen B) Acetylene C) Nitrogen D) Carbon dioxide

Question 2

What is the difference between a volume measurement and a rate measurement?
 
  A) Rate measurements are more accurate. B) Volume measurements include time.
  C) Rate measurements are more flexible. D) Rate measurements include time.



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briezy

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Answer to Question 1

C, D

Answer to Question 2

D




Caiter2013

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Reply 2 on: Jul 24, 2018
Wow, this really help


sailorcrescent

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Reply 3 on: Yesterday
Excellent

 

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