A.The objects lie in a straight line
B.The vessel is inside of a triangle formed by the objects
C.The vessel is outside of a triangle formed by the objects
D.A circle will pass through your position and the three objects
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A.Can always rely on a buoy to be on station
B.Can always rely on a buoy to show proper light characteristics
C.Should assume a wreck buoy is directly over the wreck
D.Should never rely on a floating aid to maintain its exact position
A.Fathoms and meters
B.Miles and kilometers
C.Arc and degrees
D.Degrees and minutes
A.A current at minimum flow
B.A current coming in
C.A current going out
D.A current at maximum flow
A.A spherical topmark
B.Red and white retroreflective material
C.A sequential number
D.A red and white octagon
A.Horizontal movement of the water toward the land after high tide
B.Horizontal movement of the water toward the land after low tide
C.Horizontal movement of the water away from the land following high tide
D.Horizontal movement of the water away from the land following low tide
最新試題
The four standard light colors used for lighted aids to navigation are red，green，white，and （）.
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
The recording fathometer produces a graphic record of the（）.
Traffic separation schemes adopted by the IMO are listed in（）.
The equator is（）.
In very high latitudes，the most practical chart projection is the（）.
What describes a flood current（）.
When entering a channel from seaward，the numbers on buoys（）.
When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.
You should plot your dead reckoning position（）.