Which grade of anchor chain is generally used on floating drilling vessels?
Official USCG Answer & Rule Citation
Correct Answer: Option B — Oil Rig Quality (stud link)
Oil Rig Quality (ORQ) stud link chain provides the high tensile strength and fatigue resistance required to secure floating drilling vessels against severe environmental forces, complying with American Petroleum Institute specifications.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.