Deck General USCG Question #4412 (Set 141)

The height of the transverse metacenter for a MODU is 62.44 feet. The height of the center of gravity is 56.10 feet, and the transverse free surface correction is 1.21 feet. What is the value of the metacentric height corrected for transverse free surface effects?

Official USCG Answer & Rule Citation

Correct Answer: Option A — 5.13 feet

Corrected transverse metacentric height (GM) equals transverse metacenter height (KM) minus center of gravity (KG) and transverse free surface correction. Subtracting KG (56.10 ft) and free surface correction (1.21 ft) from KM (62.44 ft) leaves a corrected GM of 5.13 feet, satisfying stability requirements.

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