01510.10w_hvac service\nenglish\nback next\npage 4 of 15\nq4: the evacuation process draws out of the…

01510.10w_hvac service\nenglish\nback next\npage 4 of 15\nq4: the evacuation process draws out of the system.\ncontaminants\nair\nrefrigerant\noil

01510.10w_hvac service\nenglish\nback next\npage 4 of 15\nq4: the evacuation process draws out of the system.\ncontaminants\nair\nrefrigerant\noil

Answer

Brief Explanations:

In an HVAC (Heating, Ventilation, and Air - Conditioning) system, the evacuation process is used to remove air and contaminants from the system to ensure proper functioning and prevent issues like corrosion and inefficient cooling. Refrigerant and oil are not removed during the evacuation process.

Answer:

A. contaminants, B. air