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

题目

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

相似考题

1.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

2.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

3.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

4.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

更多“At all angles of inclination, the metacenter is ______.A.vertically above the center of bu ”相关问题

  • 第1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


    正确答案：A
    一漂浮船舶的各项重力的合力在重心处。

  • 第2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


    正确答案：D
    对于漂浮的船舶，浮心和横稳心一直都在浮力的作用线上。

  • 第3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


    正确答案：A
    GM值不能用于表示船舶所有倾斜角的稳性因为在大的横倾角时M点不是固定点。

  • 第4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 height

    B

    height of the righting arm

    C

    fore and aft perpendicular

    D

    height of the center of buoyancy


    正确答案： D
    解析： 暂无解析

  • 第5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 stability

    B

    The point to which G may rise and still permit the vessel to possess positive stability

    C

    The sum of the center of buoyancy and the center of gravity

    D

    The transverse shift of the center of buoyancy as a vessel rolls


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    The vertical distance between G and M is used as a measure of（）.
    A

    stability at all angles of inclination

    B

    initial stability

    C

    stability at angles less than the limit of positive stability

    D

    stability at angles less than the downflooding angle


    正确答案： D
    解析： 暂无解析

  • 第7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 inclination

    B

    The center of gravity shifts due to inclination

    C

    The center of gravity shifts above the metacenter as the vessel is inclined

    D

    The mean draft will change as the vessel is inclined


    正确答案： A
    解析： 暂无解析

  • 第8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 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


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    For small angles of inclination,if the KG were equal to the KM,then the vessel would have（）.
    A

    positive stability

    B

    negative stability

    C

    neutral stability

    D

    maximum stability


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    At all angles of inclination，the true measure of a vessel’s stability is the（）.
    A

    metacentric height

    B

    displacement

    C

    righting moment

    D

    inclining moment


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A neutral equilibrium position for a vessel means that the metacenter is（）.
    A

    lower than the keel

    B

    at the same height as the center of gravity

    C

    exactly at midships

    D

    at the center of the waterplane area


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    The important initial stability parameter，GM，is the（）.
    A

    metacentric height

    B

    height of the metacenter above the keel

    C

    height of the center of buoyancy above the keel

    D

    height of the center of gravity above the keel


    正确答案： C
    解析： 暂无解析

  • 第13题：

    An unstable upright equilibrium position on a vessel means that the metacenter is ______.

    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


    正确答案：A
    船舶不稳定的正浮平衡状态意味着稳心高度低于重心高度。

  • 第14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


    正确答案：C
    对于小角度倾角，如果KG和KM相等，船舶成随遇平衡状态。

  • 第15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


    正确答案：A
    假如船舶的垂直重心高度（VCG）上升1.7英尺，回复力矩（GZ）在不同的倾斜角时将减少。

  • 第16题：

    单选题
    Stable equilibrium for a vessel means that the metacenter is（）.
    A

    at a lower level than the baseline

    B

    on the longitudinal centerline

    C

    higher than the center of gravity

    D

    at amidships


    正确答案： A
    解析： 暂无解析

  • 第17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 stability

    B

    only when there is negative stability

    C

    only when there is neutral stability

    D

    at all times


    正确答案： C
    解析： 暂无解析

  • 第18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

    decrease

    B

    increase

    C

    remain unchanged

    D

    be changed by the amount of GG' x cosine of the angle


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    An unstable upright equilibrium position on a vessel means that the metacenter is（）.
    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


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    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


    正确答案： D
    解析： 暂无解析

  • 第21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 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


    正确答案： B
    解析： 暂无解析

  • 第22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 stability

    B

    only when there is negative stability

    C

    only when there is neutral stability

    D

    at all times


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    The height of the metacenter above the keel will vary depending on the（）.
    A

    draft and beam of the ship

    B

    displacement and deadweight of the ship

    C

    buoyancy and trim of the ship

    D

    tonnage and deadweight of the ship


    正确答案： A
    解析： 暂无解析

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