General Subjects (Auxiliaries & Systems) USCG Question #2189 (Set 34)

Referring to the illustrated motor ship fresh water cooling system drawing, what statement is true concerning the turbocharger bypass line associated with the jacket water cooling system? Illustration MP-CW-06 Illustration MP-CW-06: the U.S. Coast Guard has not released this illustration.

Official USCG Answer & Rule Citation

Correct Answer: Option C — The turbocharger cooling water bypass line with the control orifice proportions the cooling water flow so that the turbocharger receives a lesser flow rate of cooling water as compared to the main engine cooling water jackets.

Under USCG National Maritime Center examination standards, the accepted correct answer is: The turbocharger cooling water bypass line with the control orifice proportions the cooling water flow so that the turbocharger receives a lesser flow rate of cooling water as compared to the main engine cooling water jackets..

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