What is the function of an oily water separator (OWS) bilge alarm (15 ppm monitor)?
Direct Answer
Option C: Continuously monitor discharge water purity and stop overboard valve if oil exceeds 15 ppm
In accordance with MARPOL Annex VI and MEPC guidelines, a 15 ppm bilge alarm continuously samples oily water separator discharge. It instantly triggers an audible alarm and activates a three-way solenoid valve to redirect effluent back to the bilge well if hydrocarbon concentration exceeds statutory limits.
All Options
Detailed Explanation & Context
In accordance with MARPOL Annex VI and MEPC guidelines, a 15 ppm bilge alarm continuously samples oily water separator discharge. It instantly triggers an audible alarm and activates a three-way solenoid valve to redirect effluent back to the bilge well if hydrocarbon concentration exceeds statutory limits.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).
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