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A single vertical magnet placed underneath the compass in the binnacle is used to compensate for ______．A.The horizontal component of the permanent magnetismB.Deviation caused by the vessel's inclination from the verticalC.Induced magnetism in the horizon

题目

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

相似考题

1.Which one of the followings is incorrect about magnetic compass?______.A.The magentic compass is compulsory on my vesselB.The magentic compass is prone to errorC.The magentic compass is always placed inside steel constructionsD.The magentic compass needs to be calibrated to compensate for local magnetic distortion

2.When crossing the magnetic equator the ______．A.Flinders bar should be invertedB.Heeling magnet should be invertedC.The quadrantal spheres should be rotated 180°D.Flinders bar should be moved to the opposite side of the binnacle

3.Which compensates for errors introduced when the vessel heels over ________．A.The soft iron spheres on the arms of the binnacleB.Magnets placed in trays inside the binnacleC.A single vertical magnet beneath the compassD.The Flinders bar

4.A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment?A.Move the quadrantal spheres closer to the compassB.Raise the heeling magnet if the red end is upC.Remove some of the Flinders barD.Raise or lower the athwartship magnets

更多“A single vertical magnet placed underneath the compass in the binnacle is used to compensa ”相关问题

  • 第1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2题：

    During the day, a dredge will indicate the side on which it is safe to pass by displaying_____.

    A.two balls in a vertical line

    B.two diamonds in a vertical line

    C.a single black ball

    D.no shape is shown during the day


    正确答案：B
    在白天，一艘挖泥船在可安全航行的一舷显示垂直悬挂的两个菱形。

  • 第3题：

    单选题
    The magnetic compass magnets are acted on by the horizontal component of the Earth’s total magnetic force. This magnetic force is GREATEST at the（）.
    A

    north magnetic pole

    B

    south magnetic pole

    C

    magnetic prime vertical meridian

    D

    magnetic equator


    正确答案： D
    解析： 暂无解析

  • 第4题：

    单选题
    During the day，a dredge will indicate the side on which it is safe to pass by displaying（）.
    A

    two balls in a vertical line

    B

    two diamonds in a vertical line

    C

    a single black ball

    D

    no shape is shown during the day


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    Which compensates for errors introduced when the vessel heels over（）.
    A

    The soft iron spheres on the arms of the binnacle

    B

    Magnets placed in trays inside the binnacle

    C

    A single vertical magnet beneath the compass

    D

    The Flinders bar


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    Which of the following tools is BEST used to measure voltage and amperage from a power source?（）
    A

    Loopback Plug

    B

    Multimeter

    C

    Power Supply Tester

    D

    Extension Magnet


    正确答案： A
    解析： 暂无解析

  • 第7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8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
    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11题：

    单选题
    When adjusting a magnetic compass for error，a deviation table should be made（）.
    A

    before correcting for any deviation

    B

    after correcting for variation

    C

    after adjusting the fore-and-aft and athwartships permanent magnets

    D

    before the quadrantal correctors are placed on the compass


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    If you（）a magnet-needle, its two ends can point North and South, and so it can be used to determine directions.
    A

    overtake

    B

    fix

    C

    highlight

    D

    suspend


    正确答案： B
    解析： 暂无解析

  • 第13题：

    You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made ________．

    A.Flinders bar first，then the heeling magnet and spheres

    B.Heeling magnet first，then the Flinders bar and spheres

    C.Flinders bar first，then the spheres and heeling magnet

    D.Spheres first，then the Flinders bar and heeling magnet


    正确答案：C

  • 第14题：

    In which of the following configurations should a SAS hard drive jumper be placed for single drive operation？（）

    • A、 The jumpers should be placed in the single/master position.
    • B、 There are no configuration jumpers needed on a SAS hard drive.
    • C、 The jumpers should be placed to give the drive a SCSI ID of 1.
    • D、 The jumpers should be placed in the slave position.

    正确答案:B

  • 第15题：

    单选题
    In which of the following configurations should a SAS hard drive jumper be placed for single drive operation?（）
    A

    The jumpers should be placed in the single/master position.

    B

    There are no configuration jumpers needed on a SAS hard drive.

    C

    The jumpers should be placed to give the drive a SCSI ID of 1.

    D

    The jumpers should be placed in the slave position.


    正确答案： C
    解析： 暂无解析

  • 第16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17题：

    单选题
    A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment? （）
    A

    Move the quadrantal spheres closer to the compass

    B

    Raise the heeling magnet if the red end is up

    C

    Remove some of the Flinders bar

    D

    Raise or lower the athwartship magnets


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    In which of the following configurations should a SAS hard drive jumper be placed for single drive operation？（）
    A

     The jumpers should be placed in the single/master position.

    B

     There are no configuration jumpers needed on a SAS hard drive.

    C

     The jumpers should be placed to give the drive a SCSI ID of 1.

    D

     The jumpers should be placed in the slave position.


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.
    A

    nonmagnetic

    B

    weatherproof

    C

    corrosion resistant

    D

    capable of being permanently affixed to the vessel


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made（）.
    A

    Flinders bar first，then the heeling magnet and spheres

    B

    Heeling magnet first，then the Flinders bar and spheres

    C

    Flinders bar first，then the spheres and heeling magnet

    D

    Spheres first，then the Flinders bar and heeling magnet


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    When crossing the magnetic equator the（）.
    A

    Flinders bar should be inverted

    B

    Heeling magnet should be inverted

    C

    The quadrantal spheres should be rotated 180°

    D

    Flinders bar should be moved to the opposite side of the binnacle


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    To center a compass bowl in its binnacle，you should have the ship on an even keel，heading north or south，and adjust the screws until（）.
    A

    the compass heading is in line with the lubber's line

    B

    there is no lost motion in the gimbal rings

    C

    no change of heading by compass is observed if you raise and lower the heeling magnet

    D

    the gimbal rings do not strike the compass frame when they are tilted


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    Magnets are placed in horizontal trays in the compass binnacle to compensate for the（）.
    A

    induced magnetism in the vessel's horizontal soft iron

    B

    change in the magnetic field when the vessel inclines from vertical

    C

    permanent magnetism of the vessel

    D

    magnetic fields caused by electrical currents in the vicinity


    正确答案： D
    解析： 暂无解析

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