A.or
B.and
C.nor
D.either
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A.for my vessel crossing safely
B.my vessel is to cross safely
C.for my vessel to cross safely
D.for my vessel's crossing safely
A.the volume of all intact spaces above the waterline
B.an intact space below the surface of a flooded area
C.an intact space which can be flooded without causing a ship to sink
D.the space at which all the vertical upward forces of buoyancy are considered to be concentrated
A.center of gravity
B.amidships station
C.center of flotation
D.geometric center of the waterplane area
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
A.increase the righting moment
B.increase the righting arm
C.increase list or trim
D.decrease list or trim
最新試題
In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.
The center of the underwater volume of a floating vessel is the（）.
For an upright vessel，draft is the vertical distance between the keel and the（）.
The average of the forward and after drafts is the（）.
Reserve buoyancy is（）.
The center of volume of the immersed portion of the hull is called the（）.
Some cargoes are（）in weight but（）in size.
The center of flotation of a vessel is（）.
Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in（）.
The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.