Marine Electrical Systems USCG Question #1089 (Set 37)

According to 46 CFR, Subchapter J (Electrical Engineering), in response to a loss of normal power or a simulated test, when will the emergency loads automatically be transferred to the emergency diesel generator?

Official USCG Answer & Rule Citation

Correct Answer: Option B — when the potential from the emergency generator reaches 85 to 95 percent of its normal value

46 CFR Subchapter J stipulates that emergency bus load transfer initiates automatically once the emergency generator reaches 85 to 95 percent of its rated voltage potential and frequency.

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