Technician A says a refrigerant is considered contaminated if the refrigerant contains greater than 2 percent of foreign material(s).Technician B says moisture and air reduce the system's efficiency and are considered foreign material or contaminants.Who is correct? A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct that a refrigerant is considered contaminated if it contains more than 2% foreign material. Technician B is also correct that moisture and air are considered foreign materials/contaminants and can reduce the system's efficiency. Therefore, both technicians are correct.

Technician A Says a Refrigerant Is Considered Contaminated If the Refrigerant