单项选择题
Beams are cambered to（）.
A.increase their strength
B.provide drainage from the decks
C.relieve deck stress
D.All of the above
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相关考题
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单项选择题
As the displacement of a vessel increases，the detrimental effect of free surface（）.
A.increases
B.decreases
C.remains the same
D.may increase or decrease depending on the fineness of the vessel's form -
单项选择题
An unstable upright equilibrium position on a vessel means that the metacenter is（）.
A.lower than the center of gravity
B.at the same height as the center of gravity
C.higher than the baseline
D.on the longitudinal centerline -
单项选择题
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（）.
A.TCG
B.transverse moment
C.righting moment
D.transverse free surface moment
