Engine Refrigeration (Supplementary) USCG Q#166 (Set 3)

In the illustrated refrigeration system, what is the proper name for the component labeled "A"? GS-RA-12 Illustration GS-RA-12: the U.S. Coast Guard has not released this illustration.

Official USCG Answer & Rule Citation

Correct Answer: Option B — compressor

Component A functions as the compressor, which draws in low-pressure superheated vapor from the evaporator and elevates both its pressure and temperature for discharge to the condenser.

All Engine Refrigeration (Supplementary) Sets Practice Set 3