單項(xiàng)選擇題

Initial stability of a vessel may be improved by（）.

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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單項(xiàng)選擇題

In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.

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

單項(xiàng)選擇題

If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.

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

Initial stability of a vessel may be improved by（）.

你可能感興趣的試題

In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.

If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.

In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.

If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.