Deck General USCG Question #4302 (Set 138)

In the DEEP DRILLER, the longitudinal free surface correction (FSCL) is obtained from the total of the longitudinal free surface moments (FSML) by __________.

Official USCG Answer & Rule Citation

Correct Answer: Option D — dividing by displacement

Longitudinal free surface correction (FSCL) is derived by dividing total longitudinal free surface moments (FSML) by the vessel's displacement, accounting for the reduction in longitudinal stability caused by slack liquids in tanks.

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