單項(xiàng)選擇題A vesel’s LCG is determined by（）.

A.dividing the total longitudinal moment summations by displacement
B.dividing th etotal vertical moment summation by displacement
C.multiplying the MTC by the longituinal moments
D.subtracting LCF from LCB


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1.單項(xiàng)選擇題A virtual rise in the center of gravitty may be caused by（）.

A.filling a partially tank
B.using an on board crane to life a freely swinging heavy object
C.emptying a partially filled tank
D.transferring ballast from the forepeak to the after peak

2.單項(xiàng)選擇題Aboard a vessel, dividing the sum of the vertical moment by the total weight yields the vessel’s（）.

A.vertical moment
B.transverse position of the center of gravity
C.inclining moment
D.righting moment

3.單項(xiàng)選擇題Aboard a vessel, dividing the sum of the vertical moments by the total weight yields the vessel’s（）.

A.height of the center of gravity A.LCG
B.vertical moment
C.righting moment
D.inclining moment

4.單項(xiàng)選擇題Aboard a vessel, multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in th eload’s（）.

A.TCG
B.transverse moment
C.righting moment
D.transverse free surface moment

5.單項(xiàng)選擇題Aboard damage vessels, the most important consideration is preserving（）.

A.bilge pumping capacity
B.reserve buoyancy
C.level attitude
D.instability