A.removing loose water
B.adding weight low in the vessel
C.closing crossover valves between partly filled double bottom tanks
D.All of the above
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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
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
最新試題
The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.
The effect of free surface on initial stability depends upon（）.
What is the definition of transverse metacenter?（）
What is the principal danger from the liquid in a half full tank onboard a vessel?（）
The time required to incline from port to starboard and back to port again is called（）.
What is the stability term for the distance from the center of gravity (G) to the Metacenter (M)，when small-angle stability applies? （）
The angle of loll is a stability term which applies to a floating ship with（）.
In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
The greatest effect on stability occurs from loose liquids flowing（）.
The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the（）.