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Author Question: Technician A says a refrigerant identifier is only needed when the technician is unsure of the ... (Read 145 times)

penza

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on: Jun 23, 2018
Technician A says a refrigerant identifier is only needed when the technician is unsure of the refrigerant used in an AC system. Technician B says some refrigerant identifiers can measure the amount of moisture in the refrigerant system to aid in diagnosis. Who is correct?
 
  A) Technician A only B) Technician B only
  C) Both technicians A and B D) Neither technician A nor B

Question 2

During a retrofit, the replacement R-134a charge should be ________ than the specified R-12 charge.
 
  A) 20-30 more B) 10-20 more C) 10-20 less D) 20-30 less


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C.mcnichol98

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Reply #1 on: Jun 23, 2018
Answer to Question 1

B

Answer to Question 2

C


penza

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Reply #2 on: Jun 23, 2018
Thank you!


C.mcnichol98

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Reply #3 on: Jun 23, 2018
Happy to help


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