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
If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.
The controlling depth of the river is（）.
It is apparent that there was not sufficient depth of water（）and I claim that the estimated arrival draft as radioed to the agent to report to you was a close one.
Owing to the big draft，the ship is not permitted to go alongside until the time of（）.
Reserve buoyancy is（）.
A vessel would be referred to as tender when the weight of the cargo is（）.
The center of buoyancy is located at the（）.
The difference between the initial trim and the trim after loading is known as（）.
Although KG for a ship in lightweight is relatively high，the vessel is stiff because（）.