單項選擇題In the absence of external forces，the center of gravity of a floating vessel is located directly above the（）.

A.metacenter
B.amidships
C.center of flotation
D.geometric center of the displaced volume


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1.單項選擇題If the vertical center of gravity (VCG) of a ship rises 1.7 feet，the righting arm (GZ) for the various angles of inclination will（）.

A.decrease
B.increase
C.remain unchanged
D.be changed by the amount of GG' x cosine of the angle

2.單項選擇題From（）the information concerning the tons per inch or centimeter immersion of a vessel shall be usually found.

A.Stability curve
B.Deadweight scale
C.Table of Azimuth
D.Freeboard assignment

3.單項選擇題For a floating vessel，the result of subtracting KG from KM is the（）.

A.height of the metacenter
B.height of the righting arm
C.height of the center of buoyancy
D.metacentric height

4.單項選擇題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

5.單項選擇題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