USCG Exam PracticeRefrigeration and air conditioning
What is the primary purpose of the receiver in a refrigeration system?
- A. To separate oil from the refrigerant before it reaches the compressor
- B. To remove moisture and particles from the liquid refrigerant
- ✓ To store the liquid charge and provide a steady supply of liquid to the metering deviceCorrect
- D. To subcool the high-pressure liquid before it enters the metering device
Why C is correct
NAVEDTRA 14075 §6-3 defines the receiver as a storage vessel that holds the liquid charge, provides a steady supply of liquid to the metering device regardless of load swings, and provides capacity to pump the whole charge down for servicing. Moisture removal is the function of the filter-drier, not the receiver.
Cited:NAVEDTRA 14075 §6-3