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单选题
The important initial stability parameter，GM，is the（）.
A
metacentric height
B
height of the metacenter above the keel
C
height of the center of buoyancy above the keel
D
height of the center of gravity above the keel
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单选题（） is not the information necessary for the master to obtain guidance as to the stability of the ship.A
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考题
单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stability?（）.A
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单选题GM cannot be used as an indicator of stability at all angles of inclination because（）.A
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单选题The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.A
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单选题If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.A
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cause an increase in the righting armC
bring the vessel to an upright equilibrium positionD
cause the vessel to flop to a greater angle
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