RefrigerationCâu 66 / 110
Which instrument or method is commonly used for pinpointing small refrigerant leaks?
a.A megohmmeter
b.A manometer
c.An electronic leak detector or bubble solution
d.A pyrometer
Giải thích
Electronic leak detectors sense refrigerant escaping at joints, and bubble solutions reveal leaks visibly. Ultraviolet dye is another method for hard-to-find leaks. Locating and repairing leaks is required before recharging a system.
Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- EPA Section 608 certification is required for technicians who do what?
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- A refrigerant metering device such as a fixed orifice or TXV creates what effect on the refrigerant?
- Which category of refrigerants is being phased down under regulations due to high global warming potential?
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