单项选择题
Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit’s（）.
A.tank capacities
B.stability in the event of damage
C.towing speed
D.anchor holding ratio
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Hanging a barge off means to（）.
A.moor a damaged barge to the bank and leave
B.remove and deliver a loaded barge from a multiple tow
C.remove a barge while locking through
D.tow an empty barge astern -
单项选择题
Electrical wiring on all “T-Boats” must be（）。
A.concealed to prevent mechanical damage
B.concealed so the boat can be maintained more easily
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Damage to another vessel’s cargo，caused by a collision，is covered under which marine insurance policy?（）.
A.Hull
B.Fire
C.Protection and Indemnity
D.None of the above
