A.only when there is positive stability
B.only when there is negative stability
C.only when there is neutral stability
D.at all times
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A.aboat which the vessel lists and trims
B.which coincides with the center of buoyancy
C.which, in the absence of external forces, is always vertically aligned with the center of gravity
D.which is shown in the hydrostatic tables as VCB
A.height of the metacenter
B.height of the righting arm
C.height of the center of buoyancy
D.metacentric height
A.average of the observed drafts
B.draft at the centre of flotation
C.draft corresponding to the center of buoyancy
D.metacentric height
A.righting moment
B.vertical moment
C.longitudinal moment
D.transverse moment
A.stabilize at an angle of loll
B.decrease
C.increase
D.remain constant
最新試題
The helm command PORT TWENTY means（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Which of the following is not an operation mode of AIS?（）
Before any loading takes place any signs of the previous cargo should do（）.
The dew point temperature is（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Berthing means bringing a vessel to her berth until（）.
In the Northern hemisphere northerly winds may cause temperature（）.