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

题目

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

相似考题

1.In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ().A.heel until the angle of loll is reachedB.list until the center of buoyancy is aligned vertically with the center of gravityC.trim to the side opposite TCG until all moments are equalD.decrease draft at the center of flotation

2.A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit ______.A.the masthead lights for a towing vesselB.the lights for a vessel restricted in its ability to maneuverC.sidelights，stern light and towing lightD.All of the above

3.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

4.A vessel cannot comply with all of the SOLAS requirements due to its construction. Where will this be indicated?A.Nowhere; the vessel must comply to engage in international tradeB.On the reverse of the SOLAS certificateC.On the Exemption CertificateD.On the Certificate of Inspection

参考答案和解析
正确答案：A
一漂浮船舶的各项重力的合力在重心处。
更多“A floating vessel will behave as if all of its weight is acting downward through the _____ ”相关问题

  • 第1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

  • 第2题：

    ______of the following conditions will cause a vessel’s bottom to be subjected to tension stresses.

    A.Concentration of weight aft

    B.Concentration of weight forward

    C.Concentration of weight amidships

    D.Concentration of weight at both ends of the vessel


    正确答案：C
    重量集中在船的中部，会使船底承受到拉应力。（船舶中垂）

  • 第3题：

    Addition of weight to a vessel will ALWAYS ______.

    A.reduce reserve buoyancy

    B.increase righting moments

    C.increase GM

    D.All of the above


    正确答案：A
    在船舶上加装重物将减小储备浮力。

  • 第4题：

    单选题
    （）of the following conditions will cause a vessel’s bottom to be subjected to tension stresses.
    A

    Concentration of weight aft

    B

    Concentration of weight forward

    C

    Concentration of weight amidships

    D

    Concentration of weight at both ends of the vessel


    正确答案： A
    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
    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7题：

    单选题
    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 flotation

    D

    metacenter


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    When navigating a vessel，you（）.
    A

    can always rely on a buoy to be on station

    B

    can always rely on a buoy to show proper light characteristics

    C

    should assume a wreck buoy is directly over the wreck

    D

    should never rely on a floating aid to maintain its exact position


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    At sea，you are approaching a small vessel and see that it has the signal flag P hoisted. What should you do?（）.
    A

    Proceed on present course and speed since the vessel is stopped and making no way through the water

    B

    Keep clear of the vessel because it has a diver down

    C

    Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance

    D

    Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    The degree of downward slope of a beach depends on its composition of deposits as well as on the action of waves across its surface.
    A

    sentiments

    B

    sediments

    C

    semesters

    D

    segments


    正确答案： C
    解析：
    句意：海滩向下的倾斜度取决于海滩沉淀物的成分和海滩表面波浪的运动。deposits沉淀。sediment沉淀物，沉积。sentiment情绪；观点；多愁善感。semester学期。segment段；节。

  • 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
    Which action will affect the trim of a vessel? （）
    A

    Moving high weights lower

    B

    Adding weight at the tipping center

    C

    Moving a weight forward

    D

    Moving lower weight high


    正确答案： C
    解析： 暂无解析

  • 第13题：

    For GMDSS，when may a compulsory vessel not be allowed to leave port ________．

    A.When the vessel is in an overloaded condition

    B.When the vessel has arranged for both duplication of equipment AND shore-based maintenance

    C.When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged

    D.When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions


    正确答案：C

  • 第14题：

    A vessel restricted by its ability to manoeuvre by the nature of its work or its deep draft is__

    A.Hampered vessel

    B.Giving way vessel

    C.Vessel not under control

    D.Disabled vessel


    正确答案：A
    一艘由于其工作性质或深吃水而使其操纵能力受到限制的船舶是操限船

  • 第15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16题：

    单选题
    A vessel cannot comply with all of the SOLAS requirements due to its construction. Where will this be indicated?（）
    A

    Nowhere; the vessel must comply to engage in international trade

    B

    On the reverse of the SOLAS certificate

    C

    On the Exemption Certificate

    D

    On the Certificate of Inspection


    正确答案： A
    解析： 暂无解析

  • 第17题：

    单选题
    For GMDSS，when may a compulsory vessel not be allowed to leave port?（）
    A

    When the vessel is in an overloaded condition

    B

    When the vessel has arranged for both duplication of equipment AND shore-based maintenance

    C

    When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged

    D

    When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    A floating vessel will behave as if all of its weight is zcting downward through the（）.
    A

    center of gravity

    B

    center of buoyancy

    C

    center of flotation

    D

    metacenter


    正确答案： C
    解析： 暂无解析

  • 第19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20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21题：

    单选题
    In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to（）.
    A

    heel until the angle of loll is reached

    B

    list until the center of buoyancy is aligned vertically with the center of gravity

    C

    trim to the side opposite TCG until all moments are equal

    D

    decrease draft at the center of flotation


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which vessel would display a cone，apex downward（）.
    A

    A fishing vessel with outlying gear

    B

    A vessel proceeding under sail and machinery

    C

    A vessel engaged in diving operations

    D

    A vessel being towed


    正确答案： A
    解析： 暂无解析

  • 第23题：

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

    aboat 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

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