單項(xiàng)選擇題For a floating vessel,the center of flotation is the point in the waterplane().

A.about which the vessel lists and trims
B.which coincides with the center of buoyancy
C.which,in the absence of external forces,is always vertically aligned with the center of gravity
D.which is shown in the hydrostatic tables as VCB


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1.單項(xiàng)選擇題During cargo operations,your vessel develops a list due to the center of gravity rising above the transverse metacenter. To correct the list,you should().

A.shift weight to the high side
B.shift weight to the centerline
C.add weight in the lower holds or double bottoms
D.remove weight from the lower holds or double bottoms

2.單項(xiàng)選擇題Beams are cambered to().

A.increase their strength
B.provide drainage from the decks
C.relieve deck stress
D.All of the above

3.單項(xiàng)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

4.單項(xiàng)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

5.單項(xiàng)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