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Engine: Motor Plants and Auxiliary Boilers

Question 1,738 of 1,433

Due to environmental and safety concerns, the towing winch drive diesel engine cooling water system is treated with propylene glycol for protection against freezing. According to the illustration, what would be the limit of protection if 40 pints of propylene glycol are used in treating a cooling water system with a volumetric capacity of 10 gallons?

Illustration MO-0209: 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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