A.To consider
B.To check
C.To examine
D.To agree with
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A.cylindrical projection
B.simple conic projection
C.polyconic projection
D.rectangular projection
A.after every major hydrographic survey of the area covered by the chart
B.when there are numerous corrections to be made or the corrections are extensive
C.when a low-stock situation occurs and minor corrections are made
D.every two years to update the magnetic variation information
A.Mercator projection
B.polyconic projection
C.orthographic projection
D.gnomonic projection
A.Summary of Corrections
B.Local Notice to Mariners
C.Daily Memorandum
D.Chart Correction Card
A.vertical distance from the chart sounding datum to the ocean bottom,plus the height of tide
B.vertical distance from the chart sounding datum to the ocean bottom
C.average height of water over a specified period of time
D.average height of all low waters at a place
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Which information is found in the chart title().
Which information does the outer ring of a compass rose on a nautical chart provide().
That the scale of any part of a chart to be larger than the scale of the survey is().
Which chart symbol indicates the bottom is clay().
The soundings on the chart are based on the depth of water available at ().
The revision date of a chart is printed on which area of the chart? ()
On chart,bearings to near objects should be used in preference to objects farther off,because().
The maximum difference between mean time and apparent time is ().
The broken magenta lines(long and short dashes)in and around Mobjack Bay indicate().
The path that a vessel is expected to follow,represented on a chart by a line drawn from the point of departure to the point of arrival,is the().