A.decrease in KM is equal to the loss of draft
B.virtual rise of G is directly proportional to the remaining draft
C.lost buoyancy method is used to calculate KM，and KB is reduced
D.displacement lost acts at the point where the ship is aground
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A.large GM
B.high center of gravity
C.excessive free surface
D.small GZ
A.at
B.in
C.on
D.to
A.the provision to be provided when the vessel sails in fresh water area
B.the fresh water to be carried by a vessel
C.the allowance of fresh water for each crew member when in distress at sea
D.the amount of free board decreased when sailing in fresh water area
A.increase reserve buoyancy
B.decrease the righting moments
C.decrease KG
D.increase KM
A.KM is small
B.KM is high
C.BL is small
D.KB is large
最新試題
Broken stowage must be reduced to（）.
That center around which a vessel trims is called the（）.
The existence of liquids in partially full tanks or compartments of a ship causes a virtual rise in the height of the（）.
Angular motion about the longitudinal axis of a vessel is known as（）.
Horizontal fore or aft motion of a vessel is known as（）.
If the metacentric height is large，a floating vessel will（）.
If a vessel takes a sudden，severe list or trim from an unknown cause，you should FIRST（）.
A vessel with a small GM will（）.
During counterflooding to correct a severe list or trim aggravated by an off-center load，a ship suddenly takes a list or trim to the opposite side. You should（）.
Progressive flooding may be indicated by（）.