Engine: Retired questions · Engineering Safety

1. A Retain ballast water on board the vessel.
2. B Prior to discharging ballast water in U.S. waters, the vessel must perform a complete ballast water exchange in an area no less than 200 nautical miles from any shoreline.
3. C Prior to entering U.S. waters, use any Coast Guard approved alternative environmentally sound method of BWM.
4. D All of the above

Tip: press A-D to answer