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
Fishing stake，the position of which frequently（），exist in the area covered by this chart.
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
A spherical buoy may be（）.
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
A yellow buoy may exhibit a(n)（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
Buoys which mark isolated dangers are painted with alternating（）.
An orange and white buoy with a rectangle on it displays（）.
A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is（）.
An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? （）