A.Icebergs may travel in a direction many degrees different from the sea ice
B.Both icebergs and sea ice will move in approximately the same direction and at the same speed
C.Icebergs and sea ice will move in the same direction，but at different speeds due to the sail effect of the berg
D.Icebergs and sea ice will move in the same direction，but the iceberg will move slower because of its underwater bulk
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A.Your speed will significantly increase
B.Your draft will significantly decrease
C.Your bow will sheer towards the other vessel
D.Your bow will sheer away from the other vessel
A.is usually below the center of gravity and has little effecton stability
B.will cause water on deck to pocket and increase stability
C.may decrease stability by increasing free surface effect due to water on deck
D.increases the effective freeboard and increases thewind-heel affect
A.displacement
B.free surface
C.draft
D.KG
A.increases displacement
B.increases the height of the center of gravity
C.increases draft
D.reduces the pocketing of free surface
A.changes in seawater salinity
B.glare on clouds on the horizon
C.changes in air temperature
D.icebergs
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If a tow sinks in shallow water，you should（）.
When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.
A tug’s horsepower available at the shaft is（）.
A vessel proceeding along a narrow channel shall（）.
Small floes of rough，hummocky sea ice capable of damaging a vessel（）.
A vessel the passage of which is not to be impeded（）to comply with this Rule when the two vessels are approaching one another so as to involve risk of collision.
A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.
A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral 4 when the vessel（）.
A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is（）.
As the weather was worsening and wind force rising to 8，my vessel（）were yawing within forty degrees of the compass.