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Author Question: How are refrigerants with a higher toxicity level labeled? A) Letter B B) Letter A C) Letter D D) ... (Read 274 times)

pane00

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How are refrigerants with a higher toxicity level labeled?
 
  A) Letter B B) Letter A C) Letter D D) Letter C

Question 2

The first check to make whenever working on a water-cooled system is:
 
  A) Compressor amp draw. B) Condenser water flow.
  C) Outdoor ambient wet bulb temperature. D) System operating pressures.



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olderstudent

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Answer to Question 1

A

Answer to Question 2

B





 

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