filling a partially filled tank
using an on board crane to lift a freely swinging heavy object
emptying a partially filled tank
transferring ballast from the forepeak to the after peak
第1题：
A vessel aground may have negative GM since the ______.
A.decrease in KM is equal to the loss of draft
B.virtual rise of G is directly proportional to the remaining draft
C.lost buoyancy method is used to calculate KM, and KB is reduced
D.displacement lost acts at the point where the ship is aground
第2题：
A virtual rise in the center of gravity may be caused by ______.
A.filling a partially filled tank
B.using an on board crane to lift a freely swinging heavy object
C.emptying a partially filled tank
D.transferring ballast from the forepeak to the after peak
第3题：
The righting moment can be determined by multiplying the displacement by the ______．
A.vertical center of gravity（KG）
B.longitudinal center of gravity（LCG）
C.righting arm（GZ）
D.center of gravity（CG）
第4题：
Longitudinal center of buoyancy and longitudinal center of gravity
Longitudinal center of floatation and longitudinal center of gravity
Longitudinal center of floatation and longitudinal center of buoyancy
Longitudinal tipping center and longitudinal center of gravity
第5题：
metacentric height
height of the righting arm
fore and aft perpendicular
height of the center of buoyancy
第6题：
A vessel may acquire a list if the center of gravity is ______. ① Off the centerline. ② Too high in the vessel.
A.① only
B.② only
C.Either ① or ②
D.Neither ① nor ②
第7题：
在一个相对布局中怎样使一个控件居中（）
第8题：
With no environmental forces acting on the vessel，the center of gravity of an inclined vessel is vertically aligned with the ______．
A.longitudinal centerline
B.center of flotation
C.original vertical centerline
D.metacenter
第9题：
The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability
The point to which G may rise and still permit the vessel to possess positive stability
The sum of the center of buoyancy and the center of gravity
The transverse shift of the center of buoyancy as a vessel rolls
第10题：
the center of volume of the immersed portion of the vessel
the center of gravity of the water plane
that point at which all the vertical downward forces of weight are considered to be concentrated
that point at which all the vertical upward forces of buoyancy are considered to be concentrated