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單項選擇題

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

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單項選擇題

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

單項選擇題

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