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A ship under construction or major repair will acquire permanent magnetism due to ______ while sitting stationary in the earth's magnetic field．A.hammering and jarringB.vibration and poundingC.varying magnetic fieldsD.stable or permanent magnetism of the

题目

A ship under construction or major repair will acquire permanent magnetism due to ______ while sitting stationary in the earth's magnetic field．

A.hammering and jarring

B.vibration and pounding

C.varying magnetic fields

D.stable or permanent magnetism of the ship

相似考题

1.______ is issued under the provision of International Convention for the Prevention of Pollution from Ships，1973，as modified by the Protocol of 1978 relating thereto.A.INTERNATIONAL OIL POLLUTION PREVENTION CERTIFICATEB.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATEC.CARGO SHIP SAFETY EQUIPMENT CERTIFICATED.CARGO SHIP SAFETY RADIOTELEPHONY CERTIFICATE

2.Permanent magnetism is found in ______.A.hard ironB.soft ironC.vertical iron onlyD.horizontal iron only

3.A claim for cargo damages may be held against the shipowner if such damage is the result of failure of the ship's officers to ______.A.ensure the fitness and safety of cargo spacesB.ensure adequate packaging of the cargoC.prevent delays due to quarantine restrictionsD.correct all defects in the ship's construction

4.Permanent magnetism is caused by ______.A.operation of electrical equipment and generators on board shipB.the earth's magnetic field affecting the ship's hard iron during constructionC.the horizontal component of the earth's magnetic field acting on the horizontal soft ironD.the vertical component of the earth's magnetic field acting on the vertical soft iron

更多“A ship under construction or major repair will acquire permanent magnetism due to ______ w ”相关问题

  • 第1题：

    The permanent magnetism of a vessel may change in strength due to ______.

    A.the nature of the cargo being carried

    B.changes in heading

    C.major structural repair

    D.All of the above


    正确答案：C

  • 第2题：

    The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed ______．

    A.permanent magnetism

    B.subpermanent magnetism

    C.induced magnetism

    D.variable magnetism


    正确答案：B

  • 第3题：

    If a ship is proceeding towards the magnetic equator, the uncorrected deviation due to permanent magnetism ______.

    A.increases

    B.remains the same

    C.decreases

    D.is unimportant and may be neglected


    正确答案：C
    假如船舶正朝着磁赤道航行，未经修正的自差由于永久磁性影响而减少。

  • 第4题：

    单选题
    If a ship is proceeding towards the magnetic equator，the uncorrected deviation due to permanent magnetism（）.
    A

    increases

    B

    remains the same

    C

    decreases

    D

    is unimportant and may be neglected


    正确答案： B
    解析： 暂无解析

  • 第5题：

    单选题
    This induced magnetism（）the permanent magnetism already present in the ship.
    A

    will add to

    B

    will subtract from

    C

    may add to or subtract from

    D

    will not change


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed（）.
    A

    permanent magnetism

    B

    subpermanent magnetism

    C

    induced magnetism

    D

    variable magnetism


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    （）is issued under the provision of International Convention for the Prevention of Pollution from Ships，1973，as modified by the Protocol of 1978 relating thereto.
    A

    INTERNATIONAL OIL POLLUTION PREVENTION CERTIFICATE

    B

    CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE

    C

    CARGO SHIP SAFETY EQUIPMENT CERTIFICATE

    D

    CARGO SHIP SAFETY RADIOTELEPHONY CERTIFICATE


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    The Flinders bar and the quadrantal spheres should be tested for permanent magnetism at what interval（）.
    A

    They are not subject to permanent magnetism; no check is necessary

    B

    Semiannually

    C

    Annually

    D

    Every five years


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Permanent magnetism is caused by（）.
    A

    operation of electrical equipment and generators on board ship

    B

    the earth's magnetic field affecting the ship's hard iron during construction

    C

    the horizontal component of the earth's magnetic field acting on the horizontal soft iron

    D

    the vertical component of the earth's magnetic field acting on the vertical soft iron


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    A ship under construction or major repair will acquire permanent magnetism due to（）while sitting stationary in the earth’s magnetic field.
    A

    hammering and jarring

    B

    vibration and pounding

    C

    varying magnetic fields

    D

    stable or permanent magnetism of the ship


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A single vertical magnet placed underneath the compass in the binnacle is used to compensate for（）.
    A

    the horizontal component of the permanent magnetism

    B

    deviation caused by the vessel's inclination from the vertical

    C

    induced magnetism in the horizontal soft iron

    D

    induced magnetism in the vertical soft iron


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    In ship construction，frame spacing is（）.
    A

    greater at the bow and stern

    B

    reduced at the bow and stern

    C

    uniform over the length of the vessel

    D

    uniform over the length of the vessel，with the exception of the machinery spaces，where it is reduced due to increased stresses


    正确答案： C
    解析： 暂无解析

  • 第13题：

    What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude ________．

    A.Flinders bar

    B.Soft iron spheres

    C.Fore-and-aft permanent magnets in their trays

    D.Heeling magnet


    正确答案：D

  • 第14题：

    The Flinders bar and the quadrantal spheres should be tested for permanent magnetism at what interval ________．

    A.They are not subject to permanent magnetism; no check is necessary

    B.Semiannually

    C.Annually

    D.Every five years


    正确答案：C

  • 第15题：

    Magnetism which is present only when the material is under the influence of an external field is called ______.

    A.permanent magnetism

    B.induced magnetism

    C.residual magnetism

    D.terrestrial magnetism


    正确答案：B
    表现为仅仅当材料在外部磁场的影响下才有磁性叫做感应磁性。

  • 第16题：

    单选题
    What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.
    A

    Flinders bar

    B

    Soft iron spheres

    C

    Fore-and-aft permanent magnets in their trays

    D

    Heeling magnet


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    The permanent magnetism of a vessel may change in polarity due to（）.
    A

    being moored for a long time on one heading

    B

    being struck by lighting

    C

    steaming from the north magnetic hemisphere to the south magnetic hemisphere

    D

    loading a homogenous magnetic cargo such as steel plate，iron bars，etc


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    The permanent magnetism of a vessel may change in strength due to（）.
    A

    a collision with another vessel

    B

    being moored on a constant heading for a long period of time

    C

    being struck by lightning

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    The Flinders bar on a magnetic compass compensates for the（）.
    A

    induced magnetism in vertical soft iron

    B

    induced magnetism in horizontal soft iron

    C

    permanent magnetism in ship's steel

    D

    vessel's inclination from the vertical


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    The permanent magnetism of a vessel may change in strength due to（）.
    A

    the nature of the cargo being carried

    B

    changes in heading

    C

    major structural repair

    D

    All of the above


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Permanent magnetism is found in（）.
    A

    hard iron

    B

    soft iron

    C

    vertical iron only

    D

    horizontal iron only


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    A claim for cargo damages may be held against the shipowner if such damage is the result of failure of the ship’s officers to（）.
    A

    ensure the fitness and safety of cargo spaces

    B

    ensure adequate packaging of the cargo

    C

    prevent delays due to quarantine restrictions

    D

    correct all defects in the ship's construction


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    A simplified construction plan may be included in the ship construction portfolio provided it adequately defines the（）.
    A

    areas where special materials are used

    B

    hazardous areas

    C

    location of emergency repair equipment

    D

    type and strength of materials used


    正确答案： A
    解析： 暂无解析

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