Motor Plants & Auxiliary Boilers USCG Q#490 (Set 11)

The gasket "U" shown in the illustration, is used to seal the liquid space below the __________. Illustration MO-0112

USCG Exam Illustration MO-0112 — USCG Examination Diagram: **Illustration MO-0112**

Official USCG Answer & Rule Citation

Correct Answer: Option D — sliding piston

Gasket "U" provides a positive hydraulic seal beneath the sliding piston, preventing operating water leakage and maintaining the pressure differential required for bowl operation.

All Motor Plants & Auxiliary Boilers Sets Practice Set 11