Technician A says a refrigerant identifier is only needed when ...

[penza]

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

[C.mcnichol98]

Answer to Question 1

B

Answer to Question 2

C

[penza]

Thank you!

[C.mcnichol98]

Happy to help