Refrigeration第 66 / 110 题
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
解析
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.
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