Engine: Retired questions · Motor Plants and Auxiliary Boilers

Question 499 of 159

Retired question: the Coast Guard no longer draws it on exams. Practice the current Motor Plants and Auxiliary Boilers module instead.

From the graph shown in the illustration, determine the size of the regulating ring required for the proper operation of the fuel oil centrifuge if the fuel oil specific gravity is 0.9 kg/dm3 at 68°F, and the separating temperature is 158°F. Illustration MO-0113

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