單項(xiàng)選擇題Jettisoning weight from topside（）.
A.return the vesselto an even keel
B.reduces free surface effect
C.lowers the center of gravity
D.raises the center of buoyancy
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1.單項(xiàng)選擇題Kapok life jackets should not be（）.
A.stowed near open flame or where smoking is permitted
B.used as seats, pillows, or foot rests
C.left on open decks
D.All of the above
2.單項(xiàng)選擇題Keeping the draft at or below the load line mark will insure that the vesselhas adequate（）.
A.ballast
B.reserve buoyancy
C.displacement
D.rolling periods
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The loading of the ship must be done in accordance with（）.
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The ISM code is part of（）.
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