A.dockmaster
B.dock captain
C.lockmaster
D.lock foreman
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A.speed begins to drop
B.stops
C.receives ice damage
D.becomes icebound
A.displaying code letter Y (Yankee)
B.sounding five short blasts on his whistle
C.displaying code numeral 5
D.sounding one prolonged blast on his whistle
A.remains fully obliged
B.has no obligation
C.is not necessarily
D.is exempted
A.diving operations
B.dredging
C.fishing
D.mineclearance operations
A.avoid collision
B.allow more time to assess the situation
C.be stopped in an appropriate distance
D.All of the above
最新試題
A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the().
Topside icing that blocks freeing ports and scuppers().
For operations in pack ice,a vessel should().
Any vessel shall,if the circumstances of the case admit,avoid()in a narrow channel.
If a tow sinks in shallow water,you should().
When operating in an area where sea ice and icebergs are present,which statement is TRUE? ()
As the weather was worsening and wind force rising to 8,my vessel()were yawing within forty degrees of the compass.
If the situation arose where it became necessary to tow a disabled vessel,which statement is TRUE concerning the towing line?().
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().
A vessel proceeding along a narrow channel shall().