Refrigeration & Air Conditioning USCG Question #374 (Set 8)

Concerning the arrangement of equipment and associated hoses shown in the illustration, what statement is true? Illustration GS-RA-58 Illustration GS-RA-58: the U.S. Coast Guard has not released this illustration.

Official USCG Answer & Rule Citation

Correct Answer: Option B — When recovering refrigerant from the centrifugal chiller using this method, it minimizes the risk of chiller tube freeze-up.

Recovering refrigerant utilizing specific high-side liquid removal techniques minimizes the risk of chiller tube freeze-up by avoiding excessive pressure drops across internal heat exchangers during the evacuation process.

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