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航海英语船舶浮性资料单项选择题每日一练(2018.11.28)

  • 单项选择题

    The center of buoyancy is located at the().

    A.geometric center of the waterplane area
    B.intersection of the vertical centerline and line of action of the buoyant force
    C.center of gravity of the vessel corrected for free surface effects
    D.geometric center of the displaced volume

  • 单项选择题

    Shifting weight aft in heavy weather will reduce the tendency to yaw,but may increase the tendency to().

    A.be pooped
    B.pitchpole
    C.broach
    D.squat

  • 单项选择题

    A semisubmersible which will not remain upright and will assume a list either to port or starboard is likely to have().

    A.a large TCG
    B.a negative GM
    C.excessive ballast
    D.insufficient deck load

  • 单项选择题

    My drafts are 28 feet()and 29 feet aft.

    A.fore
    B.advance
    C.before
    D.beforehand

  • 单项选择题

    The average of the forward and after drafts is the().

    A.mean draft
    B.true mean draft
    C.mean of the calculated drafts
    D.draft at the center of flotation

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