USCG Exam PracticeAir conditioning, ventilation, and compressed air
In the vapor-compression refrigeration cycle, the four essential components connected in a loop are the compressor, the condenser, the evaporator, and which fourth component?
- A. The intercooler
- B. The receiver
- ✓ The metering (expansion) deviceCorrect
- D. The moisture separator
Why C is correct
NAVEDTRA 14075 §6-1 identifies the four essential components of the vapor-compression cycle as the compressor, the condenser, the metering (expansion) device, and the evaporator. Intercoolers and receivers are components of compressed-air systems, not the basic refrigeration loop.
Cited:NAVEDTRA 14075 §6-1