单项选择题
Movement of liquid in a tank when a vessel inclines causes an increase in（）.
A.righting arm
B.metacentric height
C.height of the uncorrected KG
D.natural rolling period
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相关考题
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单项选择题
Neglecting friction, you desire to life a 300 kgs weight with a stress on the hauling part of 100kgs.Which of the following tackles would you use ?（）.
A.Gun tackle
B.Luff tackle
C.Toe-fold tackle
D.Double-luff tackle -
单项选择题
Never（）stowed like this.
A.optional cargo should be
B.should optional cargo be
C.should be optional cargo
D.should optional cargo -
单项选择题
0f the following, the most important consideration for a tank vessel is（）.
A.GM
B.the vertical center of gravity
C.the longitudinal center of gravity
D.the stress on the hull
