RefrigerationQuestion 66 of 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
Explanation
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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