In the thrust bearing assembly illustrated the total oil clearance can be correctly decreased by __________. Illustration SE-0007

USCG Exam Illustration SE-0007
USCG Examination Diagram: Illustration SE-0007
Official USCG Answer & Rule Citation

Correct Answer: Option B — decreasing the thickness of the adjusting ring

Decreasing the thickness of the adjusting ring in a Kingsbury thrust bearing assembly reduces the total axial oil clearance, bringing the internal running clearances within strict manufacturer tolerances.

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