A.lighted with a white light
B.striped black and red
C.lighted with a red light
D.yellow
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A.Flashing
B.Morse A
C.Equal interval
D.Occulting
A.Entrance buoy
B.New buoy
C.Port buoy
D.Cardinal buoy
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
最新試題
A special purpose buoy shall be（）.
A preferred-channel buoy will show a（）.
Fishing stake，the position of which frequently（），exist in the area covered by this chart.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A rock and sand structure extending from the bank of the river toward the channel is known as a（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
How is the intensity of a light expressed in the Light Lists?（）.
A mid-channel buoy，if lighted，will show a（）.
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.