A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.loss of stability
D.a grease fire in the ventilation system
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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
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
最新試題
The vertical distance between G and M is used as a measure of（）.
The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
Stability is determined principally by the location of the center of gravity and the（）.
What is used as an indicator of initial stability? （）
The downflooding angle for a ship is the maximum angle at which（）.
When a vessel has positive stability，the distance between the line of force through B and the line of force through G is called the（）.
The time required to incline from port to starboard and back to port again is called（）.
The moment of a force is a measure of the（）.
What will NOT decrease the stability of a vessel?（）
The angle of loll is a stability term which applies to a floating ship with（）.