单项选择题

A floating vessel will behave as if all of its weight is acting downward through the（）.

A.center of gravity
B.center of buoyancy
C.center of flotation
D.metacenter

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单项选择题

A serious loss of reserve buoyancy resulting from flooding any compartment of a ship will always（）.

A.increase the trim
B.change the free surface effect
C.cause a serious list
D.decrease ship stability

单项选择题

A vessel’s KG is determined by（）.

A. dividing the total longitudinal moment summation by displacement
B.dividing the total vertical moment summation by displacement
C.multiplying the MT1 by the longitudinal moments
D.subtracting LCF from LCB