RAC Servicing (DomRAC) NC II Practice Questions - TESDA RAC Servicing (DomRAC) NC II Competency Assessment Exam

Before brazing a leak on a domestic refrigerator sealed system, what must the technician do regarding refrigerant?

Vent remaining refrigerant to atmosphere to prevent explosion Recover refrigerant into an approved recovery cylinder using proper equipment Add nitrogen to the system and release it through the service port Charge additional refrigerant to push contaminants out during brazing

Correct Answer:

Recover refrigerant into an approved recovery cylinder using proper equipment

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