Motor Plants & Auxiliary Boilers USCG Question #1347 (Set 26)

Regarding the fuel injector shown in the illustration, the purpose of piece #38 is to __________. Illustration MO-0059

USCG Exam Illustration MO-0059
USCG Examination Diagram: Illustration MO-0059
Official USCG Answer & Rule Citation

Correct Answer: Option B — filter the fuel

Piece #38 within the fuel injector assembly functions as an integral edge-type or disc fuel filter, protecting precision nozzle orifices from particulate contamination and plugging.

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