A.increase the righting moment
B.cause an increase in the righting arm
C.bring the vessel to an upright equilibrium position
D.cause the vessel to flop to a greater angle
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A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.loss of stability
D.a grease fire in the ventilation system
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
最新試題
Fighting a fire in the galley poses the additional threat of（）.
What is the principal danger from the liquid in a half full tank onboard a vessel?（）
The angle of loll is a stability term which applies to a floating ship with（）.
To ensure the ship’s general stability，（）.
The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
Repair of vital machinery and services on a ship should be accomplished（）.
Stability is determined principally by the location of the point of application of two forces: the downward-acting gravity force and the（）.
The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the（）.
What is the definition of transverse metacenter?（）
To prevent loss of stability from free communication flooding you should（）.