A.Longitude
B.Latitude
C.Height
D.Bearing
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A.lighted with a white light
B.striped black and red
C.lighted with a red light
D.yellow
A.lettered
B.spherical
C.showing a white light
D.All of the above
A.Open-faced diamond
B.Diamond with a cross
C.Circle
D.Square
A.the equator
B.a great circle
C.a small circle
D.a meridian
A.Open-faced diamond
B.Diamond with a cross
C.Circle
D.Square
A.Flashing
B.Morse A
C.Equal interval
D.Occulting
A.dike
B.revetment
C.cutoff
D.crib
A.A safe-water buoy will display red and white vertical stripes of reflective material
B.All reflective material is white because it is the most visible at night
C.A special-purpose mark will display either red or green reflective material to agree with its shape
D.A preferred-channel buoy displays either red or green reflective material to agree with the top band of color
A.keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leaving
B.keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leaving
C.keep the buoy on the vessel's starboard side when approaching and leaving
D.keep the buoy on the vessel's port side when approaching and leaving
A.Luminous range
B.Geographic range
C.Nominal range
D.Meteorological range
最新試題
Buoys which mark dredging areas are painted（）.
Buoys which mark isolated dangers are painted with alternating（）.
An orange and white buoy with a rectangle on it displays（）.
A special purpose buoy shall be（）.
A nun buoy will（）.
A vessel is（）when she is not at anchor，made fast to the shore，or aground.
A mid-channel buoy，if lighted，will show a（）.
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（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
A white buoy with a blue band is（）.