What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude ________．A.Flinders barB.Soft iron spheresC.Fore-and-aft permanent magnets in their traysD.Heeling magnet

题目

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

相似考题

1.The compromise conflict resolution techniqueA . is necessary when both participants must win.B . results in both sides losingC . is used when resolution is more important than relationshipsD . B and CE . All of the above.

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

3.The permanent magnetism of a vessel may change in strength due to ______.A.the nature of the cargo being carriedB.changes in headingC.major structural repairD.All of the above

4.The man page for command shows the following syntax: The man page for command shows the following syntax: command [ －a | －b ] Which of the following statements is true regarding this entry?()A. Either the -a or flag -b may be used, but not both.B. If the flag -a is used then the flag -b also must be used.C. One of the -a or -b flags must be used, but not both at the same time.D. Both the flags may be used together, but neither are mandatory.

参考答案和解析
正确答案：D
更多“What is used to correct for both induced and permanent magnetism,and consequently must be ”相关问题

  • 第1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：A

  • 第2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3题：

    Before a magnetic compass is adjusted certain correctors must be checked to ensure that they are free of permanent magnetism．These correctors are the ______．

    A.Fore-and-aft and athwartships magnets

    B.Dip needle and heeling magnet

    C.Heeling magnet and Flinders bar

    D.Flinders bar and quadrantal spheres


    正确答案：D

  • 第4题：

    The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a | -b ] Which of the following statements is true regarding this entry?（）

    • A、Either the -a or flag -b may be used, but not both.
    • B、If the flag -a is used then the flag -b also must be used.
    • C、One of the -a or -b flags must be used, but not both at the same time.
    • D、Both the flags may be used together, but neither are mandatory.

    正确答案:D

  • 第5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6题：

    单选题
    A Customer has Director V5 installed and is considering Systems Director V6.  They ask how BladeCenter Configuration Manager works with this new version. Which of the following is the correct answer? （）
    A

    This was replaced by Configuration Manager for V6 

    B

    This must be upgraded to BladeCenter Open Fabric Manager (BOFM) for V6 

    C

    This is common to both V5 and V6, no change is required 

    D

    Automation Manager must be used in  V6


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    The vertical component of the Earth’s magnetic field causes induced magnetism in vertical soft iron. This changes with latitude. What corrects for this coefficient of the deviation? （）
    A

    The Flinders bar

    B

    The heeling magnet

    C

    Quadrantal soft iron spheres

    D

    Bar magnets in the binnacle


    正确答案： C
    解析： 暂无解析

  • 第8题：

    多选题
    To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?（）
    A

    Each end of the trunk line must be set to IEEE 802.1E encapsulation.

    B

    The VTP management domain name of both switches must be set the same.

    C

    All ports on both the switches must be set as access ports.

    D

    One of the two switches must be configured as a VTP server.

    E

    A rollover cable is required to connect the two switches together.

    F

    A router must be used to forward VTP traffic between VLANs.


    正确答案： C,E
    解析： 暂无解析

  • 第9题：

    单选题
    The quadrantal spheres are used to（）.
    A

    Remove deviation on the intercardinal headings

    B

    Remove deviation on the cardinal compass headings

    C

    Remove heeling error

    D

    Compensate for induced magnetism in vertical soft iron


    正确答案： A
    解析： 暂无解析

  • 第10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11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12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13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14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

  • 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
    The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a | -b ] Which of the following statements is true regarding this entry?（）
    A

    Either the -a or flag -b may be used, but not both.

    B

    If the flag -a is used then the flag -b also must be used.

    C

    One of the -a or -b flags must be used, but not both at the same time.

    D

    Both the flags may be used together, but neither are mandatory.


    正确答案： C
    解析： 暂无解析

  • 第17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18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19题：

    单选题
    What are the only magnetic compass correctors that correct for both permanent and induced effects of magnetism?（）
    A

    Quadrantal spheres

    B

    Heeling magnets

    C

    Athwartships magnets

    D

    Fore-and-aft magnets


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    Before a magnetic compass is adjusted certain correctors must be checked to ensure that they are free of permanent magnetism. These correctors are the（）.
    A

    fore-and-aft and athwartships magnets

    B

    dip needle and heeling magnet

    C

    heeling magnet and Flinders bar

    D

    Flinders bar and quadrantal spheres


    正确答案： C
    解析： 暂无解析

  • 第21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22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23题：

    单选题
    Induced magnetism is found in（）.
    A

    hard iron

    B

    soft iron

    C

    vertical iron only

    D

    horizontal iron only


    正确答案： D
    解析： 暂无解析

相关内容