Able Seaman (AB) Exam

A vessel is equipped with a Type II Marine Sanitation Device (MSD). What is the primary function of this system?

To incinerate all sewage and galley waste. To hold untreated sewage in a storage tank for shoreside discharge. To biologically treat and disinfect sewage to a high standard before discharge. To grind solids and mix them with raw seawater for immediate overboard discharge.

Correct Answer:

To biologically treat and disinfect sewage to a high standard before discharge.

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