Type I — Small AppliancesCâu 86 / 240
Self-contained (active) recovery equipment is best described by which of the following?
a.It can only be used on appliances holding more than 15 pounds of refrigerant
b.It must always be certified for low-pressure appliances
c.It has its own compressor or pump and can pull refrigerant from an appliance that cannot run
d.It requires the appliance's compressor to be operating to function
Giải thích
Self-contained (active) recovery equipment contains its own compressor or pump, so it can remove refrigerant from an appliance whose compressor is inoperative. This makes it more versatile than passive equipment. It is required whenever the appliance itself cannot help move the refrigerant.
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 window air conditioner has a burned-out, non-operating compressor. Using self-contained recovery equipment, what recovery level must the technician achieve?
- Instead of measuring a recovery percentage, a technician chooses to evacuate a small appliance to a fixed vacuum as allowed by the rule. What vacuum level satisfies the requirement?
- A recovery unit relies on the small appliance's own working compressor to push refrigerant into a recovery cylinder. What type of recovery equipment is this?
- A scrap yard receives old household refrigerators and vending machines for crushing. Before the units are disposed of, who is responsible for ensuring the refrigerant is recovered?
- Which of the following units would a technician correctly classify as a small appliance?
- A technician needs to access the sealed system of a household refrigerator that has no service valve. What tool is commonly used to gain temporary access for recovery?
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