vertically above the center of buoyancy
vertically above the center of gravity
at the intersection of the upright vertical centerline and the line of action of the buoyant force
at the geometric center of the underwater volume
第1题:
That REMOVE ANY LIST ON THE V/L AFTER EACH WATCH END means that ______.
A.any list,no matter where it is posted,shall be removed prior to ending his watch by the OOW
B.the vessel should not be removed
C.any and all lists on board the vessel should be taken off
D.the inclination of the vessel should be corrected prior to ending his watch by the OOW
第2题:
At all angles of inclination, the metacenter is ______.
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
第3题:
__________
[A] tendency [B] advantage [C] inclination [D] priority
第4题:
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
第5题:
For small angles of inclination, if the KG were equal to the KM, then the vessel would have __________.
A.position stability
B.negative stability
C.neutral stability
D.maximum stability
第6题:
A floating vessel will behave as if all of its weight is acting downward through the ______.
A.center of gravity
B.center of buoyancy
C.center of floation
D.Metacenter
第7题:
For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force ______.
A.only when there is positive stability
B.only when there is negative stability
C.only when there is neutral stability
D.at all times
第8题:
Cross curves of stability show which of the following?
A.The righting arms at various angles of inclination and displacement
B.The metacentric height at large angles of heel
C.The height of the center of buoyancy at various angles
D.The metacentric radius at various displacements
第9题:
GM cannot be used as an indicator of stability at all angles of inclination because ______.
A.M is not fixed at large angles
B.there is no M at large angles
C.G is not fixed at large angles
D.there is no G at large angles
第10题:
骨盆倾斜度(inclination of pelvis)