A.increase the trim
B.change the free surface effect
C.cause a serious list
D.decrease ship stability
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A. dividing the total longitudinal moment summation by displacement
B.dividing the total vertical moment summation by displacement
C.multiplying the MT1 by the longitudinal moments
D.subtracting LCF from LCB
A.metacentric height
B.mean draft
C.moment to trim one inch
D.deadweight
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
A.free surface effects are reduced due to pocketing
B.KG is reduced as the vessel seeks the angle of loll
C.effective beam is increased causing BM to increase
D.underwater volume of the hull is increased
A.vertically above the center of buoyancy
B.vertically above the center of gravity
C.at the intersection of the upright vertical centerline and the line of action of the buoyant force
D.at the geometric center of the underwater volume
最新試題
An upright vessel has negative GM. GM becomes positive at the angle of loll because the（）.
A continual worsening of the list or trim indicates（）.
A floating vessel will behave as if all of its weight is acting downward through the（）.
If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
For a ship with longitudinal inclination，an increase in GML causes（）.
Which of the following is the reason that the metacentric height is a valid measure of only the initial stabilit?（）.
A load line of a ship is assigned by（）.
A wind has caused a difference between drafts starboard and port. This difference is（）.
Semisubmersibles A and B are identical. However，A is more tender than B. This means that A relative to B has a（）.
A ship is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.