A.the vessel must be moored snugly
B.each tank must be partially full to show it does not leak
C.all dunnage，tools，and extraneous items are secured
D.water under vessel must be deep enough to prevent grounding
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A.which exists when the wind speed is less than 50 knots
B.before collision
C.after flooding
D.at the maximum load
A.The righting arms at various angles of inclination and displacement
B.The metacentric height at large angles of heel
C.The height of the center of buoyancy at various angles
D.The metacentric radius at various displacements
A.metacentric height
B.displacement
C.righting moment
D.inclining moment
A.reduce initial stability
B.increase righting moments
C.increase GM
D.All of the above
A.bilge pumping capacity
B.reserve buoyancy
C.level attitude
D.instability
最新試題
The angle of loll is a stability term which applies to a floating ship with（）.
If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.
The vertical distance between G and M is used as a measure of（）.
To ensure the ship’s general stability，（）.
The moment of a force is a measure of the（）.
The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.
Damage stability is the stability（）.
The stability which exists after the unintentional flooding of a compartment on a ship is called（）.
To improve your vessel’s stability in a hazardous situation，you should（）.
The important initial stability parameter，GM，is the（）.