Recovery & RecyclingCâu 216 / 240
The required evacuation level for recovery depends on:
a.Only the technician's certification type
b.Only the ambient temperature
c.Appliance type and equipment date
d.The color of the recovery cylinder
Giải thích
The recovery evacuation table sets required levels based on the appliance type and size and whether the recovery equipment was made before or after November 15, 1993. For example, low-pressure appliances require 25 mm Hg absolute, while a large HCFC-22 system requires 10 in Hg with newer equipment. Certification type and cylinder color do not set the vacuum level.
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
- Mixing two different refrigerants in one recovery cylinder is a serious problem because the mixture:
- Recycling refrigerant, as opposed to reclaiming it, means the refrigerant is:
- Under EPA rules, refrigerant that changes ownership generally must be before it is resold:
- How often must a refillable recovery cylinder undergo a hydrostatic test to remain legal for use?
- To fill a recovery cylinder accurately to the 80 percent limit, a technician should:
- Recovering liquid refrigerant before vapor on a large system is recommended because it:
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