更多“compass()”相关问题
  • 第1题:

    Compass deviation is caused by ______.

    A.magnetism from the earth’s magnetic field

    B.misalignment of the compass

    C.magnetism within the vessel

    D.a dirty compass housing


    正确答案:C
    罗经自差由船舶内部的磁力导致。

  • 第2题:

    If a magnetic compass is not affected by any magnetic field other than the Earth’s which statement is TRUE?______.

    A.Compass error and variation are equal

    B.Compass north will be true north

    C.Variation will equal deviation

    D.There will be no compass error


    正确答案:A
    若磁罗经不受除了地磁意外的任何磁场的影响,哪个叙述是对的?罗经差和磁差一样的。

  • 第3题:

    Magnetic heading differs from compass heading by______.

    A.compass error

    B.true heading

    C.variation

    D.Deviation


    正确答案:D
    磁首向不同于罗经首向在于自差。

  • 第4题:

    Compass should be put on the ().

    • A、compass deck
    • B、bridge deck
    • C、main deck
    • D、boat deck

    正确答案:A

  • 第5题:

    单选题
    If a magnetic compass is not affected by any magnetic field other than the Earth’s,which statement is TRUE? ()
    A

    Compass error and variation are equal

    B

    Compass north will be true north

    C

    Variation will equal deviation

    D

    There will be no compass error


    正确答案: D
    解析: 暂无解析

  • 第6题:

    单选题
    As a vessel changes course to starboard,the compass card in a magnetic compass().
    A

    remains aligned with compass north

    B

    also turns to starboard

    C

    first turns to starboard then counterclockwise to port

    D

    turns counterclockwise to port


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    If the compass heading and the magnetic heading are the same then().
    A

    the deviation has been offset by the variation

    B

    there is something wrong with the compass

    C

    the compass is being influenced by nearby metals

    D

    there is no deviation on that heading


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    The principal purpose of magnetic compass adjustment is to().
    A

    reduce the variation as much as possible

    B

    reduce the deviation as much as possible

    C

    reduce the magnetic dip as much as possible

    D

    allow the compass bowl to swing freely on its gimbals


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    If the gyrocompass error is east,what describes the error and the correction to be made to gyrocompass headings to obtain true headings?()
    A

    The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true

    B

    The readings are too low and the amount of the error must be subtracted from the compass to obtain true

    C

    The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true

    D

    The readings are too high and the amount of the error must be subtracted from the compass to obtain true


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    When using the lifeboat compass,you must be careful to().
    A

    set it on the centerline of the boat

    B

    apply the correction for compass error

    C

    keep metal objects away from it

    D

    All of the above


    正确答案: C
    解析: 暂无解析

  • 第11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12题:

    单选题
    Magnetic compass deviation().
    A

    varies depending upon the bearing used

    B

    is the angular difference between magnetic north and compass north

    C

    is published on the compass rose on most nautical charts

    D

    is the angular difference between geographic and magnetic meridians


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Deviation is the angle between the ______.

    A.true meridian and the axis of the compass card

    B.true meridian and the magnetic meridian

    C.magnetic meridian and the axis of the compass card

    D.axis of the compass card and the degaussing meridian


    正确答案:C
    自差是磁子午线与罗经盘的轴之间的角。

  • 第14题:

    Magnetic compass deviation______.

    A.varies depending upon the bearing used

    B.is the angular difference between magnetic north and compass north

    C.is published on the compass rose on most nautical charts

    D.is the angular difference between geographic and magnetic meridians


    正确答案:B
    磁罗经自差是磁北与罗北之间的差角。

  • 第15题:

    音域(Compass)


    正确答案: 指某人声或乐器所能达到的最低音至最高音的范围。

  • 第16题:

    单选题
    Compass deviation is caused by().
    A

    magnetism from the earth's magnetic field

    B

    misalignment of the compass

    C

    magnetism within the vessel

    D

    a dirty compass housing


    正确答案: A
    解析: 暂无解析

  • 第17题:

    单选题
    Deviation is the angle between the().
    A

    true meridian and the axis of the compass card

    B

    true meridian and the magnetic meridian

    C

    magnetic meridian and the axis of the compass card

    D

    axis of the compass card and the degaussing meridian


    正确答案: B
    解析: 暂无解析

  • 第18题:

    单选题
    ()the repeater compass with the master compass,please.
    A

    Similize

    B

    Clock

    C

    Synchronize

    D

    Position


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    Variation in a compass is caused by().
    A

    worn gears in the compass housing

    B

    magnetism from the earth's magnetic field

    C

    magnetism within the vessel

    D

    lack of oil in the compass bearings


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    What is an advantage of the magnetic compass aboard vessels?()
    A

    Compass error is negligible at or near the earth's magnetic poles

    B

    It does not have to be checked as often

    C

    It is reliable due to it's essential simplicity

    D

    All points on the compass rose are readily visible


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    The magnetic compass operates on the principle that().
    A

    like magnetic poles attract

    B

    unlike magnetic poles repel

    C

    unlike poles attract

    D

    the poles of the compass line up with the geographic poles of the earth


    正确答案: D
    解析: 暂无解析

  • 第22题:

    名词解释题
    音域(Compass)

    正确答案: 指某人声或乐器所能达到的最低音至最高音的范围。
    解析: 暂无解析

  • 第23题:

    单选题
    The compass error of a magnetic compass that has no deviation is().
    A

    zero

    B

    equal to variation

    C

    eliminated by adjusting the compass

    D

    constant at any geographical location


    正确答案: B
    解析: 暂无解析

  • 第24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