When a MODU is afloat in equilibrium, the horizontal component of mooring line tensions should equal __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — environmental forces
When a Mobile Offshore Drilling Unit floats in equilibrium, horizontal static equilibrium requires that the total horizontal component of mooring line restoring tensions precisely balances external environmental forces such as wind, current, and wave drift acting on the unit.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.