Recovery & RecyclingCâu 223 / 240
To avoid cross-contamination when switching from recovering one refrigerant to another, a technician should:
a.Use the same cylinder for both
b.Skip identifying the second refrigerant
c.Evacuate the recovery equipment and use a dedicated cylinder for each refrigerant
d.Mix them in a single drum
Giải thích
Between refrigerants, evacuate the recovery machine and hoses and use a separate, dedicated cylinder for each refrigerant to prevent cross-contamination. Reusing a cylinder or skipping identification can create a mixed batch that cannot be reclaimed. Clean separation preserves the refrigerant's value.
Luyện miễn phí toàn bộ 240 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Which records support Section 608 compliance for a service company?
- A one-trip (disposable) refrigerant cylinder should be:
- The recovery process that reduces moisture and acid in refrigerant using a filter-drier is part of:
- Low-loss fittings on recovery equipment help compliance by:
- For a small appliance recovered with equipment made after November 15, 1993 while its compressor runs, the required recovery is:
- Non-condensable gases in a recovery cylinder can cause a falsely high pressure reading. The best way to limit them is to:
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với EPA Section 608 Technician Certification Exam · Quy trình kiểm tra