Engine room bilges are pumped into the sea through the
Direct Answer
Option D: Oily water separator
Engine room bilges collect oily water, which must be treated before discharge. The Oily Water Separator (OWS) is a mandatory piece of equipment designed to separate oil from water to meet MARPOL discharge limits before pumping overboard.
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Detailed Explanation & Context
Engine room bilges collect oily water, which must be treated before discharge. The Oily Water Separator (OWS) is a mandatory piece of equipment designed to separate oil from water to meet MARPOL discharge limits before pumping overboard.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • General Ship Knowledge (GSK).
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