A.Luminous range
B.Geographic range
C.Nominal range
D.Meteorological range
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A.from a submarine on the surface
B.the light at Southeast Point
C.at an airport
D.on a coastal patrol vessel
A.removed
B.altered
C.corrected
D.converted
A.always be nearer to the equator
B.always be nearer to the elevated pole
C.be nearer to the pole in the Northern Hemisphere and nearer to the equator in the Southern Hemisphere
D.be nearer to the pole or the equator depending on the latitudes of the arrival and departure positions
A.Flashing
B.Quick flashing
C.Composite group flashing
D.Equal interval (isophase)
A.red and black bands
B.green and black bands
C.red and white stripes
D.green and white bands
最新試題
A white buoy with a blue band is（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A parallel of latitude other than the equator is a（）.
A plane that cuts the Earth’s surface and passes through the poles will always form（）.
A spherical buoy may be（）.
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（）.
A white buoy with an open-faced orange diamond on it indicates（）.
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is（）.