According to the illustrated diesel engine cooling water systems diagram, what is the functional description of the low temperature central fresh water thermostat? Illustration MO-0129

Correct Answer: Option C — The thermostat is a three-way valve set up as a mixer proportioning flow through and around the central fresh water cooler.

Under USCG National Maritime Center examination standards, the accepted correct answer is: The thermostat is a three-way valve set up as a mixer proportioning flow through and around the central fresh water cooler..