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

题目

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

相似考题

1.Pump out No. 2 port ballast tank to ______.A.keep vessel afloatingB.refloat vessel listing to starboardC.make vessel all-rightD.bring vessel upright

2.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

3.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

4.during bunkering in the last vessel ,what were you assigned to do ?or what was your position during bunkering on your last vessel ?

更多“An unstable upright equilibrium position on a vessel means that the metacenter is ______.A ”相关问题

  • 第1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
    船舶的中性平衡状态是指船舶稳心与中心在相同高度。

  • 第2题：

    For an upright vessel, draft is the vertical distance between the keel and the ______.

    A.waterline

    B.freeboard deck

    C.plimsoll mark

    D.amidships section


    正确答案：A
    对于一艘正浮的船，吃水是自龙骨到水线的垂直距离。

  • 第3题：

    In weather report, POSITION GOOD means that ______.

    A.the position is suitable

    B.the position is reliable

    C.the position is changeable

    D.the position is fixable


    正确答案：B
    在气象报告中，位置好意思是位置是可靠的。

  • 第4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5题：

    单选题
    If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.
    A

    increase the righting moment

    B

    cause an increase in the righting arm

    C

    bring the unit to an upright equilibrium position

    D

    cause the unit to flop to a greater angle


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    The original equilibrium position is stable when（）.
    A

    metacentric height is positive

    B

    metacentric radius is positive

    C

    KG exceed maximum allowable limits

    D

    Free surfaces are excessive


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    A position obtained by applying ONLY your vessel’s course and speed to a known position is a （）.
    A

    fix

    B

    dead-reckoning position

    C

    running fix

    D

    probable position


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    When cargo is shifted from the main deck into the lower hold of a vessel，（）.
    A

    The metacenter will move downward

    B

    The GM will increase

    C

    The center of buoyancy will move upward

    D

    The list of the vessel will become great


    正确答案： C
    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
    For an upright vessel, draft is the vertical distance between the keel and the （）.
    A

    waterline

    B

    freeboard deck

    C

    Plimsoll mark

    D

    amidships section


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.
    A

    Running fix

    B

    Fix

    C

    Dead-reckoning position

    D

    Estimated position


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.
    A

    increase the righting moment

    B

    cause an increase in the righting arm

    C

    bring the vessel to an upright equilibrium position

    D

    cause the vessel to flop to a greater angle


    正确答案： C
    解析： 暂无解析

  • 第13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：A
    在所有的倾斜角中，横稳心在浮心的垂直上方。

  • 第14题：

    In a weather report，POSITION GOOD means that the position is______．

    A.a good one

    B.reliable

    C.is easy to be fixed

    D.Obtainable


    正确答案：B
    在天气预报里飞机定位的位置是可靠的。

  • 第15题：

    单选题
    A neutral equilibrim 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： D
    解析： 暂无解析

  • 第16题：

    单选题
    In a weather report, position good means that the position is（）.
    A

    a good one

    B

    reliable

    C

    is easy to be fixed

    D

    obtainable


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    Magnetic variation changes with a change in（）.
    A

    the vessel's heading

    B

    sea conditions

    C

    seasons

    D

    the vessel's position


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    Pump out No.2 port ballast tank to（）.
    A

    keep vessel afloating

    B

    refloat vessel listing to starboard

    C

    make vessel all-right

    D

    bring vessel upright


    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 mrtacenter is（）.
    A

    lower than the center of gravity

    B

    at the same height as the center of gravity

    C

    heigher than the baseline

    D

    on the longitudinal centerline


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
    A

    The objects lie in a straight line

    B

    The vessel is inside of a triangle formed by the objects

    C

    The vessel is outside of a triangle formed by the objects

    D

    A circle will pass through your position and the three objects


    正确答案： D
    解析： 暂无解析

  • 第21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22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23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

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