Engine Refrigeration (Supplementary) USCG Question #305 (Set 5)

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

Official USCG Answer & Rule Citation

Correct Answer: Option B — yellow top and gray body

EPA and DOT standards mandate that all certified refrigerant recovery cylinders feature a distinct yellow top and a gray body to ensure immediate visual identification.

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