Motor Plants & Auxiliary Boilers USCG Question #919 (Set 20)

What device is installed and used as a safety feature to satisfy Coast Guard regulations for the unit shown in the illustration? Illustration MO-0116

USCG Exam Illustration MO-0116
USCG Examination Diagram: Illustration MO-0116
Official USCG Answer & Rule Citation

Correct Answer: Option D — Electrical limit switch

Electrical limit switches provide positive mechanical feedback and interlocking safety controls required by USCG regulations to verify component positioning and prevent unsafe operational sequences.

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