单项选择题

Allowance for fresh water refers 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

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单项选择题

A vertical shift of weight to a position above the vessel’s center of gravity will（）.

A.increase reserve buoyancy
B.decrease the righting moments
C.decrease KG
D.increase KM

单项选择题

Although KG for a vessel in lightweight is relatively high，the vessel is stiff because（）.

A.KM is small
B.KM is high
C.BL is small
D.KB is large

单项选择题

In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to（）.

A.heel until the angle of loll is reached
B.list until the center of buoyancy is aligned vertically with the center of gravity
C.trim to the side opposite TCG until all moments are equal
D.decrease draft at the center of flotation