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
您可能感興趣的試卷
你可能感興趣的試題
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
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.vessel's horsepower
B.sea state
C.number of propellers
D.vessel's displacement
最新試題
A tug’s horsepower available at the shaft is（）.
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（）.
When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.
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.
If a tow sinks in shallow water，you should（）.
A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral 4 when the vessel（）.
Before entering an ice area，the ship should be（）.
If the situation arose where it became necessary to tow a disabled vessel，which statement is TRUE concerning the towing line?（）.
Topside icing decreases vessel stability becauseit increases（）.
When operating in an area where sea ice and icebergs are present，which statement is TRUE? （）