Steam Plants (Boilers & Turbines) USCG Question #392 (Set 14)

In the diagrammatic arrangement of the thrust bearing, shown in the illustration, the direction of shaft rotation and the direction of thrust are indicated respectively by arrows __________. Illustration SE-0012

USCG Exam Illustration SE-0012
USCG Examination Diagram: Illustration SE-0012
Official USCG Answer & Rule Citation

Correct Answer: Option C — F and J

Directional analysis of thrust bearing diagrams (SE-0012) correlates arrow F with the forward rotation of the main propulsion shaft and arrow J with the resultant axial thrust vector acting against the active bearing face.

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