Deck General USCG Q#5087 (Set 158)

Use of air gaps in excess of that stated in the Limits of Elevated Service for the COASTAL DRILLER could result in __________.

Official USCG Answer & Rule Citation

Correct Answer: Option C — increased overturning moments

Excessive air gaps increase the effective windage area and moment arm above the platform's support legs, resulting in significantly higher wind-induced overturning moments.

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