A.prevailing wind directions
B.prevailing ocean current directions
C.probable surface current flow
D.shortest great circle routes
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A.conspicuous object
B.steep depression in the surrounding hills that resembles a cup
C.domed structure useful for navigation
D.calling-up-point used for traffic control
A.published with
B.combined with
C.in connection with
D.subject to
A.with
B.from
C.on
D.by
A.found in the center(s) of the compass rose(s)
B.indicated by isogonic lines
C.found in a note on the chart
D.All of the above
A.red triangle with the letter R
B.white triangle with the letters RG
C.green square with the letter G
D.white square with the letters GR
最新試題
What information is NOT found in the chart title? （）
A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.
The revision date of a chart is printed on which area of the chart? （）
When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）
On chart，bearings to near objects should be used in preference to objects farther off，because（）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
Which information is found in the chart title（）.
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
The maximum difference between mean time and apparent time is （）.
A chart with a scale of 1:80，000 would fall into the category of a（）.