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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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

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