General Studies · Refrigeration and Air Conditioning
A compound gauge used in refrigeration service is designed to measure:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1High pressure only
- 2Temperature and humidity simultaneously
- 3Both pressure (psig) and vacuum (in. Hg)✓
- 4Refrigerant flow rate
Correct answer
Both pressure (psig) and vacuum (in. Hg)
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