單項選擇題The original equilibrium position is stable when（）.

A.metacentric height is positive
B.metacentric radius is positive
C.KG exceeds maximum allowable limits
D.free surfaces are excessive


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1.單項選擇題A continual worsening of the list or trim indicates（）.

A.negative GM
B.progressive flooding
C.structural failure
D.an immediate need to ballast

2.單項選擇題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

3.單項選擇題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

4.單項選擇題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

5.單項選擇題All of the following can be determined by use of a stabilogauge EXCEPT（）.

A.metacentric height
B.mean draft
C.moment to trim one inch
D.deadweight