单项选择题

Which of the following is more suitable for bagged cargo?（）.

A.Hydraulically operated pusher
B.Spread beam sling
C.Revolving roll clamping device
D.Platform sling

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单项选择题

Which of the following is the reason that the metacentric height is a valid measure of only the initial stability?（）.

A.The metacenter does not remain in the same position for large angles of inclination
B.The center of gravity shift due to inclination
C.The center of gravity shifts above the metacenter as the vessel is inclined
D.The mean draft will change as the vessel is inclinded

单项选择题

Which of the following will increase the height of the center of buoyancy for your vessel?（）.

A. Discharging weight from lower decks
B. Loading weight in upper decks
C.Shifting weight from lower to upper decks
D.Shifting weight from upper to lower decks

单项选择题

Which of the following will increase the positive stability of your vessel?（）.

A.Loading weight on deck
B.Discharging weight from lower decks
C.Shifting weight from upper to lower decks
D.Shifting weight from lower to upper decks