Engine Refrigeration (Supplementary) USCG Question #15 (Set 1)

What is the physical state and pressure condition of refrigerant as it enters the condenser of a typical refrigeration system.

Official USCG Answer & Rule Citation

Correct Answer: Option C — high pressure vapor

The refrigeration compressor discharges high-pressure, superheated vapor directly into the condenser, where it rejects latent heat to the cooling medium and undergoes phase change into liquid.

100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.