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
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A.increase the righting moment
B.increase the righting arm
C.increase list or trim
D.decrease list or trim
A.require ballast
B.be down by the head
C.sink
D.float
A.waterline
B.freeboard deck
C.plimsoll mark
D.amidships section
A.average of the observed drafts
B.draft at the center of flotation
C.draft corresponding to the calculated displacement
D.mean of the calculated drafts
A.KG is increased
B.KG is decreased
C.KG is not affected
D.KG increases at light drafts and decreases at deep drafts
最新試題
Deballasting a double bottom has what affect on KG?（）
Aboard a ship，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.
It’ll affect neither the draft（）the rotation of discharging.
If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.
Owing to the big draft，the ship is not permitted to go alongside until the time of（）.
For a floating vessel，true mean draft is always the（）.
The average of the forward and after drafts is the（）.
Reserve buoyancy is the（）.
Some cargoes are（）in weight but（）in size.
The controlling depth of the river is（）.