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Engine: Motor Plants and Auxiliary Boilers

Question 1,966 of 1,433

The diesel generator sets on your mollusc dredger use a starting system similar to the one shown in the illustration. While the engine is running, the starting battery bank terminal voltage and specific gravity gradually fall off and the ammeter indicates a discharging battery bank, eventually resulting in a dead battery bank. Which of the following failures would most likely result in this condition?

Illustration MO-0202: the U.S. Coast Guard has not released this illustration.
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Appears on the 2026 sample exam for

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