The Cantilever Beam Load Chart for the COASTAL DRILLER shows the limits in the hook setback conductor tension, and __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — rotary loads
Cantilever operating envelopes and load charts for mobile offshore drilling units evaluate structural stress by combining hook load, setback weight, conductor tension, and allowable rotary loads. These combined downward forces determine maximum outreach limits without exceeding cantilever bending moments.
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