Type III — Low-PressureCâu 188 / 240
Low-loss fittings on recovery hoses are important on low-pressure work because they:
a.Increase system pressure
b.Speed up the compressor
c.Cool the refrigerant
d.Minimize refrigerant released when connecting and disconnecting
Giải thích
Low-loss fittings seal automatically to release as little refrigerant as possible each time hoses are connected or disconnected. This reduces emissions and conserves refrigerant on every job. They are good practice on all recovery work, not only low-pressure.
Luyện miễn phí toàn bộ 240 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Which statement about pressurizing a low-pressure appliance for leak detection is correct?
- A recovery cylinder used for a large low-pressure chiller should be:
- During leak testing, some technicians raise the pressure in a low-pressure chiller just above atmospheric so that:
- Which refrigerant is a CFC once widely used in low-pressure chillers and now available only as reclaimed stock?
- A machine room housing a low-pressure chiller should have a refrigerant monitor and ventilation mainly to protect against:
- The main reason a torch must never be used to warm a low-pressure chiller during recovery is that:
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