网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
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
参考答案
更多 “ At all angles of inclination, the metacenter is ______.A.vertically above the center of buoyancyB.vertically above the center of gravityC.at the intersection of the upright vertical centerline and the line of action of the buoyant forceD.at the geometric center of the underwater volume ” 相关考题
考题
Cross curves of stability show which of the following？A.The righting arms at various angles of inclination and displacementB.The metacentric height at large angles of heelC.The height of the center of buoyancy at various anglesD.The metacentric radius at various displacements
考题
A negative metacentric height ______.A.should always be immediately correctedB.will always cause a vessel to capsizeC.always results from off-center weightsD.All of the above are correct
考题
Magnetic information on a chart may be ______.A.found in the center(s) of the compass rose(s)B.indicated by isogonic linesC.found in a note on the chartD.All of the above
考题
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 sideB.Shift weight to the centerlineC.Add weight in the lower holds or double bottomsD.Remove weight from the lower holds or double bottoms
考题
A floating vessel will behave as if all of its weight is acting downward through the ______.A.center of gravityB.center of buoyancyC.center of floationD.Metacenter
考题
An unstable upright equilibrium position on a vessel means that the metacenter is ______.A.lower than the center of gravityB.at the same height as the center of gravityC.higher than the baselineD.on the longitudinal centerline
考题
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 stabilityB.only when there is negative stabilityC.only when there is neutral stabilityD.at all times
考题
For small angles of inclination, if the KG were equal to the KM, then the vessel would have __________.A.position stabilityB.negative stabilityC.neutral stabilityD.maximum stability
考题
GM cannot be used as an indicator of stability at all angles of inclination because ______.A.M is not fixed at large anglesB.there is no M at large anglesC.G is not fixed at large anglesD.there is no G at large angles
考题
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.decreaseB.increaseC.remain unchangedD.be changed by the amount of GG’ x cosine of the angle
考题
单选题The difference between the height of the metacenter and the height of the center of gravity is known as the（）.A
metacentric heightB
height of the righting armC
fore and aft perpendicularD
height of the center of buoyancy
考题
单选题Stable equilibrium for a vessel means that the metacenter is（）.A
at a lower level than the baselineB
on the longitudinal centerlineC
higher than the center of gravityD
at amidships
考题
单选题What is the definition of transverse metacenter?（）A
The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stabilityB
The point to which G may rise and still permit the vessel to possess positive stabilityC
The sum of the center of buoyancy and the center of gravityD
The transverse shift of the center of buoyancy as a vessel rolls
考题
单选题The center of buoyancy and the metacenter are in the line of action of the buoyant force（）.A
only when there is positive stabilityB
only when there is negative stabilityC
only when there is neutral stabilityD
at all times
考题
单选题The vertical distance between G and M is used as a measure of（）.A
stability at all angles of inclinationB
initial stabilityC
stability at angles less than the limit of positive stabilityD
stability at angles less than the downflooding angle
考题
单选题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
decreaseB
increaseC
remain unchangedD
be changed by the amount of GG' x cosine of the angle
考题
单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stabilit?（）.A
The metacenter does not remain in the same position for large angles of inclinationB
The center of gravity shifts due to inclinationC
The center of gravity shifts above the metacenter as the vessel is inclinedD
The mean draft will change as the vessel is inclined
考题
单选题An unstable upright equilibrium position on a vessel means that the metacenter is（）.A
lower than the center of gravityB
at the same height as the center of gravityC
higher than the baselineD
on the longitudinal centerline
考题
单选题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 sideB
shift weight to the centerlineC
add weight in the lower holds or double bottomsD
remove weight from the lower holds or double bottoms
考题
单选题At all angles of inclination, the metacenter is（）.A
vertically above the center of buoyancyB
vertically above the center of gravityC
at the intersection of the upright vertical centerline and the line of action of the buoyant forceD
at the geometric center of the underwater volume
考题
单选题For small angles of inclination,if the KG were equal to the KM,then the vessel would have（）.A
positive stabilityB
negative stabilityC
neutral stabilityD
maximum stability
考题
单选题GM cannot be used as an indicator of stability at all angles of inclination because（）.A
M is not fixed at large anglesB
there is no M at large anglesC
G is not fixed at large anglesD
there is no G at large angles
考题
单选题At all angles of inclination，the true measure of a vessel’s stability is the（）.A
metacentric heightB
displacementC
righting momentD
inclining moment
考题
单选题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 stabilityB
only when there is negative stabilityC
only when there is neutral stabilityD
at all times
考题
单选题A neutral equilibrium position for a vessel means that the metacenter is（）.A
lower than the keelB
at the same height as the center of gravityC
exactly at midshipsD
at the center of the waterplane area
考题
单选题The height of the metacenter above the keel will vary depending on the（）.A
draft and beam of the shipB
displacement and deadweight of the shipC
buoyancy and trim of the shipD
tonnage and deadweight of the ship
考题
单选题The important initial stability parameter，GM，is the（）.A
metacentric heightB
height of the metacenter above the keelC
height of the center of buoyancy above the keelD
height of the center of gravity above the keel
热门标签
最新试卷
