A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
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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
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
最新試題
A tide is called diurnal when（）.
When steering by autopilot,how often should the steering be checked?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Manoeuvring information can not be obtained from（）.
ECDIS must be able to perform all of the following EXCEPT（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）