Engine Refrigeration (Supplementary) USCG Q#392 (Set 6)

What is the drive arrangement of refrigeration compressor shown in figure "B" of the illustration? GS-RA-41

USCG Exam Illustration GS-RA-41 — USCG Examination Diagram: **Illustration GS-RA-41**

Official USCG Answer & Rule Citation

Correct Answer: Option B — welded, fully hermetic

Figure "B" displays a welded, fully hermetic compressor design where both the motor and compressor mechanism are sealed within a single welded steel shell, preventing refrigerant leaks and eliminating external shaft seals.

All Engine Refrigeration (Supplementary) Sets Practice Set 6