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Refrigeration & Air Conditioning USCG Question #895 (Set 17)

Which of the illustrated devices would be the LEAST accurate for the purposes of weighing-in a refrigerant charge? Illustration GS-RA-45

USCG Exam Illustration GS-RA-45
USCG Examination Diagram: Illustration GS-RA-45
Official USCG Answer & Rule Citation

Correct Answer: Option C — C

Under USCG National Maritime Center examination standards, the accepted correct answer is: C.

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