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航海英语液体散货运及有关规则单项选择题每日一练(2019.01.22)

  • 单项选择题

    In setting the valves on a steam-smothering system on a tanker,the master control valve to cargo tanks should be().

    A.open and individual tank valves open
    B.open and the individual tank valves closed
    C.closed and the individual tank valves closed
    D.closed and the individual tank valves open

  • 单项选择题

    A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from().

    A.filling completely
    B.developing free surface
    C.developing free surface moment
    D.collapsing

  • 单项选择题

    A virtual rise in the center of gravity of a ship may be caused by().

    A.filling a partially filled tank
    B.using fuel from a pressed fuel tank
    C.emptying a partially filled tank
    D.transferring pipe from the setback area to the pipe rack

  • 单项选择题

    When planning the loading or discharging of a VLCC (100,000 DWT+) what is the most important consideration?()

    A.Draft and trim
    B.Limits of the bending moments
    C.Rate of discharging
    D.Rate of loading

  • 单项选择题

    Oil may NOT be transferred unless().

    A.there are two certificated tankermen on each vessel
    B.the vessel is equipped with constant-tension winches
    C.discharge containment equipment (i.e. drip pans) are in place
    D.All of the above

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