航海英语船舶稳性资料章节练习(2017.10.30)

单项选择题
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
单项选择题
（）we have worked out the loading plan，we shall start doing more revision work.
A.For now
B.Ever since
C.Now that
D.By now
单项选择题
The original equilibrium position is stable when（）.
A.metacentric height is positive
B.metacentric radius is positive
C.KG exceeds maximum allowable limits
D.free surfaces are excessive
单项选择题
Initial stability is indicated by（）.
A.GM
B.KM
C.Deck load
D.Maximum allowed KG
单项选择题
A wind has caused a difference between drafts starboard and port. This difference is（）.
A.list
B.heel
C.trim
D.flotation
单项选择题
The height of the metacenter above the keel will vary depending on the（）.
A.draft and beam of the ship
B.displacement and deadweight of the ship
C.buoyancy and trim of the ship
D.tonnage and deadweight of the ship
单项选择题
The geometric center of the waterplane area is called the（）.
A.center of buoyancy
B.center of gravity
C.metacenter
D.center of flotation
单项选择题
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
单项选择题
What is MTI?（）.
A.The foot／tons needed to trim the vessel by 1 inch
B.The foot／tons needed to trim the vessel by 1 foot
C.The moments needed to trim the vessel by 1 centimeter
D.The amount of vessel will trim when loading 100 tons 100 feet from the tipping Center
单项选择题
A floating vessel will behave as if all of its weight is acting downward through the（）.
A.center of gravity
B.center of buoyancy
C.center of flotation
D.metacenter