Mariners often use external resources to prepare for the final evaluation:
Often contains forum discussions and screenshots of the latest revisions (Rev 7) to help mariners achieve passing scores.
One prolonged blast followed by two short blasts at intervals of ≤is less than or equal to 2 minutes
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Oily water separator (OWS) alarm should activate at: A: 15 ppm (some systems – 5 ppm for special areas)
to port, distance less than 2 miles, risk of collision exists.