Regulations & SafetyCâu 76 / 240
A technician using self-contained (active) recovery equipment on a high-pressure system should connect and operate it so that:
a.Refrigerant is captured and the required vacuum reached
b.Oil and refrigerant are blown out to atmosphere first
c.Refrigerant vents through the machine to the outdoors
d.The machine runs without any recovery cylinder attached
Giải thích
Self-contained recovery equipment must be set up so recovered refrigerant is captured in an approved recovery cylinder and the appliance is evacuated to the level required for that equipment type. Venting through the machine, running with no cylinder attached, or blowing out oil and refrigerant would all release refrigerant illegally. Following the recovery machine's procedure ensures both compliance and safety.
Trích dẫn luật: 40 CFR §82.156Luyện miễn phí toàn bộ 240 câu hỏi — không cần đăng ký.
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Câu hỏi liên quan cùng chủ đề
- A technician recovering R-404A from a walk-in freezer notices the recovery cylinder is getting cold and recovery has slowed. What technique safely speeds recovery?
- A service company keeps invoices showing refrigerant added to and recovered from customer appliances. Under Section 608, these records are important because:
- A technician is working with an A2L refrigerant such as R-32 or R-1234yf. What added safety consideration applies compared with older non-flammable HFCs?
- Which statement about refrigerant and human health is correct?
- During a compressor burnout, a system contains acid-contaminated refrigerant. What is the proper handling?
- A large industrial owner chronically exceeds the leak rate threshold and cannot repair the system. Beyond repairs, what may the regulations require?
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