The line labeled "E", as shown in the illustration, would be identified as the ______. Illustration GS-0175

Correct Answer: Option B — oily bilge water inlet

In oily water separator systems, the inlet line is designed to introduce the contaminated bilge mixture into the primary separation chamber. Proper identification of the inlet is critical for maintenance and troubleshooting, ensuring that the flow path correctly directs oily water through the coalescing stages for effective oil-water separation.