Refrigeration & Air Conditioning USCG Question #628 (Set 12)

When checking the oil level in a refrigeration compressor, under what conditions would the most accurate reading be obtained?

Official USCG Answer & Rule Citation

Correct Answer: Option C — several minutes after shutdown following a prolonged period of operation

Under USCG National Maritime Center examination standards, the accepted correct answer is: several minutes after shutdown following a prolonged period of operation.

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