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Engine: Motor Plants and Auxiliary Boilers

Question 1,933 of 1,433

The freshwater cooling systems serving the main engines on your uninspected fishing industry vessel are arranged as shown in the illustration. If there is excessive scale buildup inside the tubes of an engine's shell and tube RW/FW heat exchanger, while the engine is in operation, what would be the resulting symptoms?

Illustration MO-0137: 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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