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

[big1devin]

Question 1

O-rings are usually made from ________.
◦ HSN
◦ Natural rubber
◦ Neoprene
◦ Either A or C

Question 2

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?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B

[meltdown117]

Answer 1

Either A or C

Answer 2

Technician B only

[big1devin]

Excellent

[Viet Thy]

Wow, this really help