A.Entrance buoy
B.New buoy
C.Port buoy
D.Cardinal buoy
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A.wingdam
B.towhead
C.cutoff
D.landwall
A.true north
B.magnetic north
C.the vessel's beam
D.the vessel's head
A.white light whose characteristic is Morse (A)
B.group-occulting white light
C.composite group-flashing (2 + 1) white light
D.composite group-flashing (2 + 1) red or green light
A.lettered
B.spherical
C.showing a white light
D.All of the above
A.the equator
B.a great circle
C.a small circle
D.a meridian
最新試題
A white buoy with a blue band is（）.
How is the intensity of a light expressed in the Light Lists?（）.
A white buoy with an open-faced orange diamond on it indicates（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A nun buoy will（）.
An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? （）
A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is（）.
Except for N-S courses，and E-W courses on the equator，a great circle track between two points，when compared to a rhumb line track between the same two points，will（）.
Buoys which mark dredging areas are painted（）.
Branford reef is（）.