Heating & A/C (A7)Câu 86 / 120
The desiccant in a receiver-drier or accumulator is used to:
a.Absorb moisture from the refrigerant
b.Add oil to the system
c.Increase refrigerant pressure
d.Cool the condenser
Giải thích
The desiccant removes moisture that would otherwise form acids and ice, protecting the system. It should be replaced whenever the system is opened for major service. Saturated desiccant can break down and contaminate the system.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
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