Motor Plants & Auxiliary Boilers USCG Question #113 (Set 2)

Auxiliary diesel engine electric starting motors use __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — battery power direct current

Auxiliary diesel electric starting systems rely on heavy-duty direct current (DC) supplied by dedicated storage battery banks, delivering the massive amperage necessary to overcome high initial breakaway torque and engine friction.

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