94. On a Mercator chart, 1 nautical mile is equal to ______.

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• Distance along a track line is measured on a Mercator chart by using the （）.

  A、latitude scale near the middle of the track line B、longitude scale near the middle of the track line C、latitude scale at the multitude of the chart D、latitude or longitude scale at the middle of the scale

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• The revision date of a chart is printed on which area of the chart? （）

  A、Top center B、Lower-left corner C、Part of the chart title D、Any clear area around the neat line

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• The compass rose on a nautical chart indicates both variation and （）.

  A、deviation B、annual rate of variation change C、precession D、compass error

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• All straight lines represent great circle tracks on a chart based on a(n) （）.

  A . Mercator projection B . polyconic projection C . orthographic projection D . gnomonic projectio

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• Isobars on a synoptic chart are useful in predicting（）.

  A . temperature B . dew point C . wind velocity D . relative humidity

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• What area of the earth cannot be shown on a standard Mercator chart（）.

  A . Equator B . Areas including both North and South latitudes C . North and South Poles D . A narrow band along the central meridia

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• 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（）.

  A . Azimuthal gnomonic projection B . Lambert conformal projection C . Transverse Mercator projection D . Polyconic projectio

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• The description Racon beside an illustration on a chart would mean a（）.

  A . radar transponder beacon B . radar conspicuous beacon C . radar calibration beacon D . circular radiobeaco

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• How is variation indicated on a small-scale nautical chart?（）.

  A . Magnetic compass table B . Magnetic meridians C . Isogonic lines D . Variation is not indicated on small-scale nautical chart

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• Which aid is NOT marked on a chart with a magenta circle? （）

  A . Aero light B . Radar station C . Radar transponder beacon D . Radiobeaco

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• The description Racon beside an illustration on a chart would mean a （）.

  A . radar conspicuous beacon B . circular radiobeacon C . radar transponder beacon D . radar calibration beaco

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• A Mercator chart is a （）.

  A、cylindrical projection B、simple conic projection C、polyconic projection D、rectangular projection

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• Magnetic information on a chart may be （）.

  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

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• On a nautical chart，the inner ring of a compass rose indicates（）.

  A、true directions B、compass error C、deviation D、magnetic directions

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• For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）

  A . Plotting radio bearings over a long distance B . Determining latitude and longitude of a fix C . Measuring rhumb line distances D . Measuring rhumb line directio

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• Isogonic lines are lines on a chart indicating （）.

  A . points of equal variation B . points of zero variation C . the magnetic latitude D . magnetic di

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• 44. All straight lines represent great circle tracks on a chart based on a（n）______.

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• 89. The revision date of a chart is printed on which area of the chart ________.

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• 113. Distance along a track line is measured on a Mercator chart by using the ________.

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• 188. What area of the earth cannot be shown on a standard Mercator chart?

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• 160. Which aid is NOT marked on a chart with a magenta circle?

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• 131. How is variation indicated on a small-scale nautical chart?

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• 39. A mercator chart is a ______

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• 62. A true bearing of a charted object，when plotted on a chart，will establish a ______.

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