单项选择题

What is NOT a problem area when loading barges on a LASH type vessel? （）

A.Frequent stability calculations required
B.Thorough pre-planning required
C.Limiting depths alongside berths restrict barge drafts
D.Minimum trim and 0°list are required for optimum operations

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单项选择题

The choice of length of tow bridle legs is governed by the（）.

A.expected towing forces
B.capability of retrieving gear
C.freeboard of the unit being towed
D.need to reduce yaw

单项选择题

A tow astern is veering from side to side on its towline. The best way of controlling the action is to（）.

A.trim the tow by the bow
B.trim the tow by the stern
C.list the tow to windward
D.adjust the length of the towing bridle

单项选择题

Prior to loading barges over the stern of a LASH vessel，the vessel should be trimmed in what manner?（）.

A.Two to four feet by the bow
B.Slightly by the bow
C.No trim should be permitted
D.Slightly by the stern