The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new LM (longitudinal moments) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
Official USCG Answer & Rule Citation
Correct Answer: Option A — 5,191 ft-tons
Longitudinal moments (LM) are calculated by multiplying tank fluid weights by their respective longitudinal arms from the reference point. Discharging Salt Water Ballast Tanks 1P and 1S alters the total moment, resulting in new longitudinal moments of 5,191 ft-tons.
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