Type I — Small AppliancesCâu 108 / 240
A recycling center employee, who is not an HVAC technician, is the last person to handle scrap refrigerators before shredding. What must the facility ensure?
a.Nothing, because only certified technicians have recovery duties
b.The refrigerators are painted before shredding
c.Each unit is filled with nitrogen
d.Refrigerant has been recovered by a certified technician or the facility verifies recovery with a signed statement
Giải thích
The final person in the disposal chain must ensure the refrigerant was recovered, either by having a certified technician recover it or by keeping a signed statement that recovery already occurred. This prevents refrigerant from being released when appliances are shredded. Facilities that reclaim refrigerant this way must still follow the recovery-level requirements.
Trích dẫn luật: 40 CFR §82.156Luyện miễn phí toàn bộ 240 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A technician finishes recovering a refrigerator and disconnects the equipment. To verify that recovery met the requirement using the vacuum method, what should the gauge read?
- A technician wants to recover refrigerant faster from a small appliance in cold weather when system pressure is very low. Which safe method raises pressure to aid recovery?
- When a small appliance's compressor is operable, why does the rule require a higher recovery level (90%) than when it is inoperable (80%)?
- A technician finds a household refrigerator whose sealed system was already opened and is now at 0 psig (atmospheric). During service the technician plans to recover any refrigerant present. What is the best action?
- A water cooler and a household freezer are both factory-sealed with about 3 pounds of refrigerant each. A technician servicing them must, at minimum, hold which certification and follow which recovery rule?
- After recovering refrigerant into a recovery cylinder from several small appliances, a technician wants to reuse the recovered refrigerant in a customer's unit without sending it out. What is generally required?
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