Marine Electrical Systems USCG Question #23 (Set 1)

What are the operational characteristics of the split phase motor shown in figure "B" of the illustration? Illustration EL-0215

USCG Exam Illustration EL-0215
USCG Examination Diagram: Illustration EL-0215
Official USCG Answer & Rule Citation

Correct Answer: Option C — The motor is reversible and dual-voltage, configured for high volts.

The wiring diagram in Figure B shows a dual-voltage configuration. By analyzing the connection of the windings, the motor is wired for high-voltage operation. The presence of a centrifugal switch and capacitor indicates a reversible, capacitor-start design, which is standard for high-torque marine auxiliary applications requiring dual-voltage flexibility.

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