Motor Plants & Auxiliary Boilers USCG Question #839 (Set 18)

According to the illustration, fuel cutoff timing in the cylinder is controlled with the component that is identified as the letter _________. Illustration MO-0097

USCG Exam Illustration MO-0097
USCG Examination Diagram: Illustration MO-0097
Official USCG Answer & Rule Citation

Correct Answer: Option C — I

Component 'I' designates the helix or control edge on the plunger body, which uncovers the barrel spill port to terminate injection and control fuel cutoff timing.

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