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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A.expected towing forces
B.capability of retrieving gear
C.freeboard of the unit being towed
D.need to reduce yaw
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
A.Two to four feet by the bow
B.Slightly by the bow
C.No trim should be permitted
D.Slightly by the stern
A.liquid commodities in containers
B.bottled liquid commodities
C.common liquid commodities in bulk
D.liquid commodities in cylinders
最新試題
In observing rig motion while under tow，the period of roll is the time difference between（）.
Air gap is the vertical distance between the bottom of the hull and the（）.
If reefer spaces are not properly cleaned prior to loading cargo，it will most likely cause（）.
By regulation，cargo tanks must be inert before and during what operation?（）.
To determine which grades of cargo a tanker is permitted to carry you should（）.
The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the（）.
When loading bulk liquid cargo，what is the FIRST action you should take if a cargo valve jammed open?（）
Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.
In preparing a cargo space for receipt of a shipment of bagged cargo，which instruction for laying dunnage should be followed? （）
Generally speaking，the heavier cargo will go into the（），distributing it evenly fore and aft，the lighter cargo will probably be placed in the（）.