Engine Refrigeration (Supplementary) USCG Question #46 (Set 1)

What is the correct color coding of refrigerant recovery cylinders regardless of the refrigerant contained within?

Official USCG Answer & Rule Citation

Correct Answer: Option C — yellow top and gray body

EPA and DOT regulations mandate standardized color coding for refrigerant recovery cylinders to prevent cross-contamination. These cylinders feature a distinctive yellow top and gray body regardless of internal contents.

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