航海英语船舶浮性资料章节练习(2018.01.23)

单项选择题
Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in（）.
A.INTERNATIONAL LOAD LINE CERTIFICATE
B.PASSENGER SHIP SAFETY CERTIFICATE
C.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE
D.GENERAL DECLARATION
单项选择题
A semisubmersible which will not remain upright and will assume a list either to port or starboard is likely to have（）.
A.a large TCG
B.a negative GM
C.excessive ballast
D.insufficient deck load
单项选择题
The center of volume of the immersed portion of the hull is called the（）.
A.center of buoyancy
B.center of flotation
C.center of gravity
D.tipping center
单项选择题
The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
A.trim
B.yaw
C.heel
D.loll
单项选择题
（）is the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.
A.Buoyancy
B.Freeboard
C.Draft
D.Displacement
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
In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.
A.a little deeper aft
B.a little deeper forward
C.at the same draught between fore and aft
D.a balance between two sides
单项选择题
A tank which carries liquid is dangerous to the stability of a vessel when it is（）.
A.low in the vessel
B.completely empty
C.completely full
D.slack
单项选择题
It’ll affect neither the draft（）the rotation of discharging.
A.or
B.and
C.nor
D.either
单项选择题
On a vessel，multiplying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n)（）.
A.transverse moment
B.vertical moment
C.righting moment
D.inclining moment