A.north side of the mark
B.west side of the mark
C.east side of the mark
D.south side of the mark
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A.left-side buoy
B.right-side buoy
C.a buoy of safety
D.a buoy of danger
A.anchorage area
B.fish net area
C.bifurcation
D.dredging area
A.white light FL (2) and a topmark of 2 black spheres
B.occulting green light and may be lettered
C.yellow light and will be numbered
D.continuous quick white light and may be numbered
A.interrupted quick flashing
B.composite group flashing
C.Morse (A)
D.quick flashing
A.with part of it extending above the water
B.that can be detected by water turbulence
C.that drops off sharply
D.perpendicular to the current
最新試題
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
The four standard light colors used for lighted aids to navigation are red，green，white，and （）.
Which statement concerning current is TRUE（）.
When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.
When navigating a vessel，you（）.
Depiction of TSS's on charts uses（）as the primary color.
Which position includes the effects of wind and current（）.
You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.