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USCG General Engineering 3

What is the primary purpose of a ship's oily water separator (OWS)?

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These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. dco.uscg.mil — Test delivery, registration deadline, passing score, exam information · verified Oct 2026
  2. ecfr.gov — Eligibility, score validity, retake policy, test dates, renewal, fees · verified Oct 2026