單項選擇題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

4.單項選擇題Initial stability is indicated by().

A.GM
B.KM
C.deck load
D.maximum allowed KG

5.單項選擇題It is sometimes necessary to moor bow and stern to two mooring buoys in order to().

A.avoid any swing in a restricted space
B.prevent to touch with other vessels
C.make a convenience of cargo discharging