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
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By regulation，cargo tank atmosphere must be inert before and during which operation?（）
Cargo booms must be weight tested to recertify the Safe Working Load (SWL) every（）.
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（）.
To serve as a person in charge of transfer operations on board a self-propelled tanker，an individual must（）.
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Ullages on tankers are measured from（）.
In preparing a cargo space for receipt of a shipment of bagged cargo，which instruction for laying dunnage should be followed? （）
According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.
The（）should ensure that the holds in which chemical packages are stowed are properly supervised during the loading operations and these packages are regularly inspected for leakage or damage on the voyage.
Air gap is the vertical distance between the bottom of the hull and the（）.