Refrigeration & Air Conditioning USCG Question #624 (Set 12)

As shown in figure "B" of the illustrated self-contained recovery unit connection diagrams, what is the recovery method supported by the connection scheme? Illustration GS-RA-33 Illustration GS-RA-33: the U.S. Coast Guard has not released this illustration.

Official USCG Answer & Rule Citation

Correct Answer: Option D — direct vapor recovery

Direct vapor recovery involves extracting refrigerant vapor straight from the system's low side and routing it through the recovery machine to be condensed into a recovery cylinder without using push-pull liquid methods.

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