單項(xiàng)選擇題Increasing free surfaces has the effect of raising the（）.
A.uncorrected KG
B.virtual height of the center of gravity
C.metacenter
D.metacentric height
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1.單項(xiàng)選擇題Increasing the area of the anchor flukes will（）.
A.increase holding power
B.decrease holding power
C.make penetration more complete
D.not effect holding power
2.單項(xiàng)選擇題Increasing the number of slack liquid tanks has effect of raising the（）.
A.uncorrected KG
B.maximun allowed KG
C.virtual height of the center of gravity
D.metacentric height
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