A.require ballast
B.be down by the head
C.sink
D.float
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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
A.KM is small
B.KM is high
C.BL is small
D.KB is large
A.INTERNATIONAL LOAD LINE CERTIFICATE
B.PASSENGER SHIP SAFETY CERTIFICATE
C.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE
D.GENERAL DECLARATION
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If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
For a floating vessel，true mean draft is always the（）.
My drafts are 28 feet（）and 29 feet aft.
The center of flotation of a vessel is（）.
A vessel is tender if cargo weight is（）.
Reserve buoyancy is（）.
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 vessel would be referred to as tender when the weight of the cargo is（）.
The average of the forward and after drafts is the（）.
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)（）.