Engine General (Supplementary) USCG Question #1374 (Set 25)

Referring to the illustration, suppose the oily-water separator vessel compound gauge is showing an unusually deep vacuum for operating in the separation processing mode with the separator service pump running. The oil content is 8.3 ppm. What is most likely the cause? GS-0175

USCG Exam Illustration GS-0175
USCG Examination Diagram: Illustration GS-0175
Official USCG Answer & Rule Citation

Correct Answer: Option A — The oily-water separator bilge suction strainer is clogged.

Under USCG National Maritime Center examination standards, the accepted correct answer is: The oily-water separator bilge suction strainer is clogged..

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