问题：
[单选] （）refers to the depth of a vessel below the waterline，measured vertically to the lowest part of the hull，propellers or other reference points.
Free board。Stability height。Metacentric height。Draft。
问题：
[单选] A load line is assigned to a ship to insure adequate stability and（）.
mooring tension。riser tension。lifesaving equipment。structural strength。
问题：
[单选] A moment is obtained by multiplying a force by its（）.
couple。lever arm。moment of inertia。point of applicatio。
问题：
[单选] A vessel’s LCG is determined by（）.
dividing the total longitudinal moment summations by displacement。dividing the total vertical moment summations by displacement。multiplying the MTC by the longitudinal moments。subtracting LCF from LCB。
问题：
[单选] Aboard a ship，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.
LCG。transverse moment。righting moment。inclining moment。
问题：
[单选] Aboard a vessel，dividing the sum of the longitudinal moments by the total weight yields the vessel’s（）.
inclining moments。righting moments。vertical moments。longitudinal position of the center of gravity。
问题：
[单选] Aboard a vessel，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.
TCG。transverse moment。righting moment。transverse free surface moment。
问题：
[单选] An unstable upright equilibrium position on a vessel means that the metacenter is（）.
lower than the center of gravity。at the same height as the center of gravity。higher than the baseline。on the longitudinal centerline。
问题：
[单选] As the displacement of a vessel increases，the detrimental effect of free surface（）.
increases。decreases。remains the same。may increase or decrease depending on the fineness of the vessel's form。
问题：
[单选] Beams are cambered to（）.
increase their strength。provide drainage from the decks。relieve deck stress。All of the above。
