單項(xiàng)選擇題A wind has caused a difference between drafts starboard and port. This difference is().

A.list
B.heel
C.trim
D.flotation


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1.單項(xiàng)選擇題Deballasting a double bottom has what affect on KG?().

A.KG is increased
B.KG is decreased
C.KG is not affected
D.KG increases at light drafts and decreases at deep drafts

2.單項(xiàng)選擇題For a floating vessel,the center of buoyancy and the metacenter are in the line of action of the buoyant force().

A.only when there is positive stability
B.only when there is negative stability
C.only when there is neutral stability
D.at all times

3.單項(xiàng)選擇題For a floating vessel,the result of subtracting KG from KM is the().

A.height of the metacenter
B.height of the righting arm
C.height of the center of buoyancy
D.metacentric height

4.單項(xiàng)選擇題For a vessel with transverse inclination,an increase in GMT causes().

A.list to stabilize at an angle of loll
B.list to decrease
C.trim to decrease
D.list to increase

5.單項(xiàng)選擇題For small angles of inclination,if the KG were equal to the KM,then the vessel would have().

A.positive stability
B.negative stability
C.neutral stability
D.maximum stability