General Studies · Refrigeration and Air Conditioning
What is the primary role of the expansion valve in an HVAC system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To circulate air
- 2To absorb heat from indoor air
- 3To increase refrigerant pressure
- 4To reduce refrigerant pressure and temperature✓
Correct answer
To reduce refrigerant pressure and temperature
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