Refrigeration & Air Conditioning USCG Question #914 (Set 17)

What is the drive arrangement of refrigeration compressor shown in figure "B" of the illustration? 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 A — welded, fully hermetic

Figure B illustrates a welded, fully hermetic compressor where both the electric motor and compressor mechanism are sealed inside a welded steel shell. This design eliminates shaft seals and potential refrigerant leak paths commonly found in open-drive units.

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