A.back your engines
B.stop your engines and drift
C.answer with one prolonged blast
D.sound the danger signal
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A.displacement
B.free surface
C.draft
D.KG
A.avoid collision
B.allow more time to assess the situation
C.be stopped in an appropriate distance
D.All of the above
A.diving operations
B.dredging
C.fishing
D.mineclearance operations
A.inner，port
B.inner，starboard
C.outer，port
D.outer，starboard
A.tow strain
B.catenary length
C.being in step
D.Williamson's Tow
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
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.only the sternlight of the vessel
B.a sidelight and one masthead light of the vessel
C.only a sidelight of the vessel
D.any lights except the masthead lights of the vessel
A.shows a light with varying lengths of the lighted period
B.shows a light that changes color
C.marks an alternate lesser-used channel
D.is used as a replacement for another light
A.dockmaster
B.dock captain
C.lockmaster
D.lock foreman
最新試題
Any vessel shall，if the circumstances of the case admit，avoid（）in a narrow channel.
A vessel showing a rigid replica of the International Code flag A is engaged in（）.
A vessel proceeding along the bank of a river or channel has the tendency to（）.
A vessel shall slacken her speed，stop，or reverse her engines，if necessary，to（）.
Topside icing decreases vessel stability becauseit increases（）.
A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the （）limit of the channel or fairway which lies on her（）side as is safe and practicable.
A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?（）.
A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.
If the situation arose where it became necessary to tow a disabled vessel，which statement is TRUE concerning the towing line?（）.
An alternating light（）.