Vayudoot Aviation

1. On a Direct Mercator chart at latitude of 45°N, a certain length represents a distance of 25 NM on the earth. The same length on the chart will represent on the earth, at latitude 30°N, a distance of?

25 nm.

31 nm.

45 nm.

20 nm.

2. A straight line drawn on a chart measures 4.63 cm and represents 150 NM. The chart scale is?

1 : 6 500 000.

1 : 6 000 000.

1 : 4 500 000.

1 : 5 000 000.

3. On a Direct Mercator chart at latitude of 45°N, a certain length represents a distance of 39 NM on the earth. The same length on the chart will represent on the earth, at latitude 30°N, a distance of?

37 nm.

48 nm.

40 nm.

45 nm.

4. The scale on Lambert's conformal conic chart?

Is constant along a meridian of longtitude.

Varies slightly as a function of longitude and latitude.

Is constant along a parallel of latitude.

Is contstant.

5. Approximately how many nautical miles correspond to 15 cm on a map with a scale of 1 : 3 000 000?

250 nm.

200 nm.

243 nm.

130 nm.

6. On a direct Mercator projection, at latitude 45° North, a certain length represents 70 NM. At latitude 40° North, the same length represents approximately?

76 nm.

90 nm.

86 nm.

45 nm.

7. On a Direct Mercator chart at latitude 15°S, a certain length represents a distance of 120 NM on the earth. The same length on the chart will represent on the earth, at latitude 10°N, a distance of?

135.4 nm.

100.2 nm.

156.5 nm.

122.3 nm.

8. At 47° North the chart distance between meridians 10° apart is 6 inches. The scale of the chart at 47° North approximates?

1 : 12 000 000.

1 : 600 000.

1 : 5 000 000.

1 : 6 000 000.

9. Assume a Mercator chart. The distance between potistions A and B, located on the same parallel and 10° longitude apart, is 6 cm, The scale at the parallel is 1 : 9 260 000. What is the latitude of A and B?

75° N or S.

30° N or S.

60° N or S.

45° N or S.

10. On a Direct Mercartor chart at latitude of 45°N, a certain length represents a distance of 90 NM on the earth. The same length on the chart will represent on the earth, at latitude 30°N, a distance of?

120 nm.

110 nm.

125 nm.

100 nm.

11. On a Lambert Conformal chart the distance between meridians 5° apart along latitude 37° North is 11cm. The scale of the chart at that parallel approximates?

1 : 3 500 000.

1 : 5 000 000.

1 : 4 000 000.

1 : 4 500 000.

12. What is the distance between longitudes 175°E and 175°W on direct Mercator chart with a scale of 1 : 7 000 000 at the equator?

159 mm.

145 mm.

176 mm.

163 cm.

13. Approximately how many nautical miles correspond to 13 cm on a map with a scale of 1 : 2 000 000?

100 nm.

130 nm.

140 nm.

150 nm.

14. On a Direct Mercator chart at latitude of 75°N, a certain length represents a distance of 55 NM on the earth. The same length on the chart will represent on the earth, at latitude 30°N, a distance of?

210 nm.

184 nm.

200 nm.

195 nm.

15. At 60° N the scale of a direct Mercator chart is 1 : 3 000 000. What is the scale at the equator?

1 : 5 000 000.

1 : 12 000 000.

1 : 6 000 000.

1 : 4 500 000.

16. The total length of the 75°N parallel of latitude on a direct Mercator chart is 140 cm. What is the approximate scale of the chart at latitude 30°S?

1 : 6 000 000.

1 : 2 900 000.

1 : 125 000.

1 : 25 000 000.

17. On a Direct Mercator chart at latitude of 70°N, a certain length represents a distance of 90 NM on the earth. The same length on the chart will represent on the earth, at latitude 10°N, a distance of?

210 nm.

259 nm.

220 nm.

265 nm.

18. Approximately how many nautical miles correspond to 20 cm on a map with a scale of 1 : 2 000 000?

200 nm.

130 nm.

240 nm.

216 nm.

19. A straight line drawn on a chart measures 4.63 cm and represents 125 NM. The chart scale is?

1 : 4 500 000.

1 : 5 000 000.

1 : 6 000 000.

1 : 6 500 000.

20. The total length of the 75°N parallel of latitude on a direct Mercator chart is 115 cm. What is the approximate scale of the chart at latitude 30°S?

1 : 28 000 000.

1 : 12 500 000.

1 : 6 000 000.

1 : 30 000 000.

21. A straight line on a chart 4.89 long represents 100 NM. The scale of this chart is approximately?

1 : 2 000 000.

1 : 3 500 000.

1 : 4 000 000.

1 : 5 500 000.

22. On a Direct Mercator chart at latitude of 85°N, a certain length represents a distance of 60 NM on the earth. The same length on the chart will represent on the earth, at latitude 30°N, a distance of?

605 nm.

580 nm.

620 nm.

596 nm.

23. The total length of the 45°N parallel of latitude on a direct Mercator chart is 85 cm. What is the approximate scale of the chart at latitude 60°S?

1 : 26 500 000.

1 : 23 500 000.

1 : 12 500 000.

1 : 16 500 000.

24. On a direct Mercator projection, at latitude 45° North, a certain length represents 70 NM. At latitude 30° North, the same length represents approximately?

45 nm.

75 nm.

86 nm.

90 nm.

25. In a navigation chart a distance of 55 NM is equal to 7 cm. The scale of the chart is approximately?

1 : 1 500 000.

1 : 2 700 000.

1 : 1 600 000.

1 : 2 300 000.

26. Approximately how many nautical miles correspond to 10 cm on a map with a scale of 1 : 5 000 000?

240 nm.

270 nm.

256 nm.

290 nm.

27. On a Direct Mercator chart at latitude of 45°N, a certain length represents a distance of 90 NM on the earth. The same length on the chart will represent on the earth, at latitude 60°N, a distance of?

100 nm.

78 nm.

68 nm.

65 nm.

28. Given: Direct Mercator chart with a scale of 1 : 200 000 at equator; Chart length from 'A' to 'B', in the vicinity of the equator, 11 cm. What is the approximate distance from 'A' to 'B'?

15 nm.

22 nm.

12 nm.

10 nm.

29. At 60° N the scale of a direct Mercator chart is 1: 3 500 000. What is the scale at the equator?

1 : 7 000 000.

1 : 4 500 000.

1 : 3 500 000.

1 : 500 000.

30. On a chart, the distance along a meridian between latitudes 45°N and 46°N is 6 cm. The scale of the chart is approximately?

1 : 1 850 000.

1 : 2 000 000.

1 : 1 650 000.

1 : 1 500 000.

31. On a direct Mercator projection, at latitude 45° North, a certain length represents 98 NM. At latitude 30° North, the same length represents approximately?

128 nm.

115 nm.

99 nm.

120 nm.

32. What is the chart distance between longitudes 179°E and 175°W on a direct Mercator chart with a scale of 1 : 2 000 000 at the equator?

325 mm.

333 mm.

300 mm.

313 cm.

33. On a direct Mercator projection, at latitude 45° North, a certain length represents 79 NM. At latitude 30° North, the same length represents approximately?

93 nm.

97 nm.

65 nm.

78 nm.

34. A Mercator chart has a scale at the equator = 1: 3 704 000. What is the scale at latitude 60 °S?

1 : 1 408 000.

1 : 1 500 000.

1 : 2 000 000.

1 : 1 852 000.

35. What is the distance between longitudes 170°E and 170°W on direct Mercator chart with a scale of 1 : 20 000 000 at the equator?

133 mm.

125 cm.

100 mm.

111 mm.

36. What is the distance between longitudes 176°E and 176°W on direct Mercator chart with a scale of 1 : 4 000 000 at the equator?

263 cm.

276 mm.

245 mm.

222 mm.

37. On a direct Mercator projection, the distance measured between two meridians spaced 5° apart at latitude 60°N is 8 cm. The scale of this chart at latitude 60°N is approxiately?

1 : 3 500 000.

1 : 2 000 000.

1 : 5 000 000.

1 : 4 500 000.

38. A Mercator chart has a scale at the equator = 1 : 3 000 000. What is the scale at latitude 60°S?

1 : 1 500 000.

1 : 3 400 000.

1 : 1 700 000.

1 : 2 000 000.

39. On a Mercator chart, at latitude 60°N, the distance measured between W002° and E008° is 20 cm. The scale of this chart at latitude 60°N is approximately?

1 : 788 000.

1 : 27 800 000.

1 : 2 780 000.

1 : 278 000.

40. The total length of the 53°N parallel of latitude on a direct Mercator chart is 133 cm. What is the approximate scale of the chart at latitude 30°S?

1 : 26 000 000.

1 : 2 600 000.

1 : 6 000 000.

1 : 125 000.

41. On a direct Mercator projection, the distance measured between two meridians spaced 5° apart at latitude 60°N is 12 cm. The scale of this chart at latitude 60°N is approximately?

1 : 1 500 000.

1 : 3 200 000.

1 : 2 000 000.

1 : 2 300 000.

42. A straight line drawn on a chart measures 4.5 cm and represents 125 NM. The chart scale is?

1 : 5 100 000.

1 : 6 200 000.

1 : 4 400 000.

43. What is the distance between longitudes 165°E and 175°W on direct Mercator chart with a scale of 1 : 25 000 000 at the equator?

89 mm.

133 cm.

33 mm.

100 mm.

44. In a navigation chart a distance of 49 NM is equal to 7 cm. The scale of the chart is approximately?

1 : 2 300 000.

1 : 2 000 000.

1 : 1 300 000.

1 : 1 600 000.

45. Given: Chart scale 1 : 200 000. The chart distance between two points is 12 centimetres. Earth distance is approximately?

13 nm.

10 nm.

25 nm.

20 nm.

46. Given: Chart scale is 1 : 1 850 000. The chart distance between two points is 4 centimetres. Earth distance is approximately?

50 nm.

55 nm.

40 nm.

35 nm.

47. Given: Direct Mercator chart with a scale of 1 : 200 000 at equator; Chart length from 'A' to 'B' in the vicinity of the equator, 27 cm. What is the approximate distance from 'A' to 'B'?

20 nm.

29 nm.

22 nm.

25 nm.

48. Apprximately how many nautical miles correspond to 15 cm on a map with a scale of 1 : 2 000 000?

156 nm.

140 nm.

130 nm.

162 nm.

49. On a Direct Mercator chart at latitude of 45°N, a certain length represents a distance of 96 NM on the earth. The same length on the chart will represent on the earth, at latitude 60°N, a distance of?

97 nm.

64 nm.

68 nm.

78 nm.

50. The nominal scale of a Lambert conformal conic chart is the?

Scale at the parallel of origin.

Scale at the poles.

Scale at the standard parallels.

Constant at all points on the chart.

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