• 首页

  • 题库

  • 网课

  • 在线模考

  • 搜标题
  • 搜题干
  • 搜选项
题目列表

航海英语磁罗经与陀螺罗经的使用单项选择题每日一练(2017.12.14)

  • 单项选择题

    By convention,the north seeking ends of a compass’ magnets are colored().

    A.Black
    B.Blue
    C.Red
    D.White

  • 单项选择题

    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

  • 单项选择题

    Variation is a compass error that you().

    A.can correct by adjusting the compass card
    B.can correct by adjusting the compensating magnets
    C.can correct by changing the vessel's heading
    D.cannot correct

  • 单项选择题

    When relieving the helm,the new helmsman should know the().

    A.Course per magnetic steering compass
    B.Gyro error
    C.Variation
    D.Maximum rudder angle previously used

  • 单项选择题

    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

版权所有©考试资料网(ppkao.com) 长沙求知信息技术有限公司 All Rights Reserved

湘公网安备 43010202000353号备案号: 湘ICP备14005140号-2

经营许可证号 : 湘B2-20140064