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航海英语水手工艺单项选择题每日一练(2019.01.12)

  • 单项选择题

    Right-laid line should be coiled().

    A.clockwise
    B.counterclockwise
    C.either clockwise or counterclockwise
    D.on a reel

  • 单项选择题

    An ocean towing bridle should().

    A.have equal legs of sufficient length
    B.have a large angle between the legs
    C.be formed on a bight of cable through a ring
    D.never be made up of chain

  • 单项选择题

    A ketch is a sailing vessel with().

    A.one mast
    B.two masts: with the mizzen stepped abaft the rudder post
    C.two masts: with the mizzen stepped forward of the rudder post
    D.two masts: a foremast and a mainmast

  • 单项选择题

    A deepwell pump is a type of().

    A.screw pump
    B.centrifugal pump
    C.eductor
    D.gear pump

  • 单项选择题

    The purpose for the bag or box on top of some survival craft is to().

    A.right the craft in case of capsizing
    B.increase area for radar detection
    C.act as a sail in case of a power loss
    D.steady the craft in heavy seas

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