A.insure that the hawser leads directly aft as it passes over the stern of the towing vessel
B.increase the stability of the towing vessel by raising the hawser off the deck
C.reduce chafing of the towing hawser
D.prevent fouling of the hawser on deck gear located on the stern of the towing vessel
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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
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
最新試題
Stability is determined principally by the location of the center of gravity and the（）.
What is the definition of transverse metacenter?（）
Initial stability refers to stability（）.
If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.
Initial stability of a vessel may be improved by（）.
The static stability curve for a given vessel peaks at 34°. For this ship，the danger angle for a permanent list would be about（）.
What is the stability term for the distance from the center of gravity (G) to the Metacenter (M)，when small-angle stability applies? （）
The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
The important initial stability parameter，GM，is the（）.
The time required to incline from port to starboard and back to port again is called（）.