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With no environmental forces acting on the vessel，the center of gravity of an inclined vessel is vertically aligned with the ______．A.longitudinal centerlineB.center of flotationC.original vertical centerlineD.metacenter

题目

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

相似考题

1.A vessel is "listed" when it is ______.A.down by the headB.down by the sternC.inclined due to off-center weightD.inclined due to wind

2.A vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the ______．A.keelB.center of buoyancyC.tipping centerD.amidships section

3.A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by ______.A.increasing the righting momentB.decreasing the vessel’s displacementC.increasing the reserve buoyancyD.shifting the CG (center of gravity) off center

4.A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is ______.A.positiveB.negativeC.zeroD.vertical

更多“With no environmental forces acting on the vessel,the center of gravity of an inclined ves ”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：

    If a vessel takes a sudden severe list or trim from an unknown cause, you should FIRST____.

    A.determine the cause before taking countermeasures

    B.assume the shift is due to off-center loading

    C.counterflood on the side opposite the list or trim

    D.assume the cause is environmental forces


    正确答案：A
    发现船舶突然倾斜，应找到原因后在采取措施。

  • 第3题：

    单选题
    For a vessel inclined by the wind，multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the（）.
    A

    righting moment

    B

    vertical moment

    C

    longitudinal moment

    D

    transverse moment


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.
    A

    center of gravity

    B

    amidships station

    C

    center of flotation

    D

    geometric center of the waterplane area


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    The center of flotation of a vessel is（）.
    A

    the center of volume of the immersed portion of the vessel

    B

    the center of gravity of the water plane

    C

    that point at which all the vertical downward forces of weight are considered to be concentrated

    D

    that point at which all the vertical upward forces of buoyancy are considered to be concentrated


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    A flooded lifeboat on board a vessel would adversely affect the vessel’s stabbility by（）.
    A

    increasing the righting moment

    B

    decreasing the vessel's displacement

    C

    increasing the reserve buoyancy

    D

    shifting the CG(center of gravity) off center


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    In the presence of external forces，the center of buoyancy of an inclined vessel is vertically aligned with the（）.
    A

    center of gravity

    B

    metacenter

    C

    center of flotation

    D

    keel


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    The center of the underwater volume of a floating vessel is the（）.
    A

    center of buoyancy

    B

    center of flotation

    C

    uncorrected height of the center of gravity of the vessel

    D

    center of gravity of the vessel corrected for free surface effects


    正确答案： D
    解析： 暂无解析

  • 第9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10题：

    单选题
    If a vessel takes a sudden，severe list or trim from an unknown cause，you should FIRST（）.
    A

    determine the cause before taking countermeasures

    B

    assume the shift is due to off-center loading

    C

    counterflood

    D

    assume the cause is environmental forces


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    A vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the（）.
    A

    keel

    B

    center of buoyancy

    C

    tipping center

    D

    amidships section


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    If a vessel takes a sudden severe list or trim from an unknown cause，you should FIRST（）.
    A

    determine the cause before taking countermeasures

    B

    assume the shift is due to off-center loading

    C

    counterflood on the side opposite the list or trim

    D

    assume the cause is environmental forces


    正确答案： B
    解析： 暂无解析

  • 第13题：

    For a vessel inclined by the wind, multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the ______.

    A.righting moment

    B.longitudinal moment

    C.transverse moment

    D.vertical moment


    正确答案：A
    对于风致倾斜的船舶，浮力乘以浮力重心到重力重心的水平距离得到复原力矩。

  • 第14题：

    In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the ______.

    A.center of gravity

    B.metacenter

    C.center of flotation

    D.Keel


    正确答案：B
    当存在外力时，倾斜船舶的浮心垂直对齐稳心。（浮心和稳心在同一垂面上）

  • 第15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16题：

    单选题
    The center of flotation of a vessel is the point in the waterplane（）.
    A

    about which the vessel lists and trims

    B

    which coincides with the center of buoyancy

    C

    which，in the absence of external forces，is always vertically aligned with the center of gravity

    D

    which is shown in the hydrostatic tables as VCB


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    When a vessel is inclined by an external force，the（）.
    A

    shape of the vessel's underwater hull remains the same

    B

    vessel's center of gravity shifts to the center of the vessel's underwater hull

    C

    vessel's center of buoyancy shifts to the center of the vessel's underwater hull

    D

    vessel's mean draft increases


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.
    A

    positive

    B

    negative

    C

    zero

    D

    vertical


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    Stability is determined principally by the location of the point of application of two forces: the downward-acting gravity force and the（）.
    A

    upward-acting weight force

    B

    downward-acting weight force

    C

    upward-acting buoyant force

    D

    environmental force


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    In the absence of external forces, the center of gravity of a floating vessel is located directly above the（）.
    A

    metacenter

    B

    amidships

    C

    center of floatation

    D

    geometric center of the displaced volume


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Which of the following is the reason that the metacentric height is a valid measure of only the initial stability?（）.
    A

    The metacenter does not remain in the same position for large angles of inclination

    B

    The center of gravity shift 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 inclinded


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    For a floating vessel，the center of flotation is the point in the waterplane（）.
    A

    about which the vessel lists and trims

    B

    which coincides with the center of buoyancy

    C

    which，in the absence of external forces，is always vertically aligned with the center of gravity

    D

    which is shown in the hydrostatic tables as VCB


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.
    A

    metacentric point

    B

    metacenter

    C

    metacentric radius

    D

    tipping center


    正确答案： A
    解析： 暂无解析

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