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航海英语船舶修理与保养单项选择题每日一练(2019.01.11)

  • 单项选择题

    Two types of anchor shackles which are currently available are().

    A.U-Type and posilok shackles
    B.C-Type and wedge shackles
    C.D-Type and bow shackles
    D.wedge and kenter shackles

  • 单项选择题

    Serving is().

    A.marline or ratline wound along the grooves of a rope
    B.narrow strips of light canvas or cotton cloth spiral-wrapped along the rope
    C.marline tightly wound on the rope by means of a board or mallet
    D.a splice made by laying the strand of one rope into the vacated grooves of another rope

  • 单项选择题

    The deck control valve to be()after being repaired.

    A.moved and fitted again
    B.removed and refitted
    C.reproduced and put on again
    D.returned and attached again

  • 单项选择题

    What can be used to measure the percentage of oxygen inside a chain locker?()

    A.Flame safety lamp
    B.Combustible gas indicator
    C.Oxygen indicator
    D.H2S meter

  • 单项选择题

    The only wire rope termination which may be made in the field is().

    A.swaged socket
    B.thimbled mechanical splice
    C.hand splice
    D.spelter poured and resin sockets

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