Which statement best describes the role of the sight glass in moisture indication?

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Multiple Choice

Which statement best describes the role of the sight glass in moisture indication?

Explanation:
The sight glass with a moisture indicator serves to show how much moisture is in the refrigerant. Inside many sight glasses, a moisture indicator reacts to water content and changes color, signaling whether the refrigerant is dry or has moisture present. This helps you decide if dehydration or replacement of the dryer is needed before charging or running the system. It isn’t used to measure temperature, show oil quantity, or directly indicate the exact refrigerant charge.

The sight glass with a moisture indicator serves to show how much moisture is in the refrigerant. Inside many sight glasses, a moisture indicator reacts to water content and changes color, signaling whether the refrigerant is dry or has moisture present. This helps you decide if dehydration or replacement of the dryer is needed before charging or running the system. It isn’t used to measure temperature, show oil quantity, or directly indicate the exact refrigerant charge.

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