RefrigerationCâu 69 / 110
Which category of refrigerants is being phased down under regulations due to high global warming potential?
a.Water-based refrigerants
b.Many high-GWP HFC refrigerants
c.Nitrogen
d.Carbon dioxide only
Giải thích
Regulations at the federal and California level are phasing down high global-warming-potential HFC refrigerants in favor of lower-GWP alternatives. Technicians must stay current on approved refrigerants and handling rules. Recovery and reclamation remain required under Section 608.
Trích dẫn luật: EPA Section 608Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Which instrument or method is commonly used for pinpointing small refrigerant leaks?
- As a general principle, adding refrigerant charge to a properly running system tends to do what to the low-side pressure?
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- A compressor that is trying to compress liquid refrigerant returning from the evaporator can suffer what damage?
- When comparing the two sides of an operating system, the discharge line is normally which relative to the suction line?
- A reciprocating compressor changes the refrigerant state by doing what?
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