單項(xiàng)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


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1.單項(xiàng)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

2.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)選擇題An unstable upright equilibrium position on a vessel means that the metacenter is（）.

A.lower than the center of gravity
B.at the same height as the center of gravity
C.higher than the baseline
D.on the longitudinal centerline

5.單項(xiàng)選擇題An upright vessel has negative GM. GM becomes positive at the angle of loll because the（）.

A.free surface effects are reduced due to pocketing
B.KG is reduced as the vessel seeks the angle of loll
C.effective beam is increased causing BM to increase
D.underwater volume of the hull is increased