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 structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.
A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）
A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is（）.
How is the intensity of a light expressed in the Light Lists?（）.
A white buoy with an orange rectangle on it displays（）.
How would you pass a red buoy in the maritime buoyage system “A”? （）
Buoys which mark isolated dangers are painted with alternating（）.
A mid-channel buoy，if lighted，will show a（）.
A preferred-channel buoy may be（）.
A rock and sand structure extending from the bank of the river toward the channel is known as a（）.