USCG Exam PracticeAir conditioning, ventilation, and compressed air
How many essential components make up the vapor-compression refrigeration cycle?
- A. Three: compressor, condenser, and evaporator
- ✓ Four: compressor, condenser, metering device, and evaporatorCorrect
- C. Four: compressor, condenser, receiver, and evaporator
- D. Five: compressor, condenser, metering device, evaporator, and oil separator
Why B is correct
NAVEDTRA 14075 §6-1 states the vapor-compression cycle has four essential components connected in a loop: the compressor, the condenser, the metering (expansion) device, and the evaporator. A receiver and oil separator are not listed among the four essential components.
Cited:NAVEDTRA 14075 §6-1