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Engine: Motor Plants and Auxiliary Boilers

Question 1,939 of 1,433

The engine manufacturer for the main engines used on your mollusc dredger specifies a supplemental coolant additive consisting of molybdate and nitrite be used to supplement the heavy-duty antifreeze for the closed, recirculating fresh water cooling system. A test-strip comparison chart as shown in the illustration is used for coolant testing purposes. If the molybdate concentration color corresponds to row 2 and the nitrite concentration color corresponds to column B, what statement is true?

Illustration MO-0211: the U.S. Coast Guard has not released this illustration.
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