Vayudoot Aviation

1. A course of 120°(T) is drawn between 'X' (61°30'N) and 'Y'(58°30'N) on a Lambert Conformal conic chart with a scale of 1 : 1 000 000 at 60°N. The chart distance between 'X' and 'Y' is?

600 cm.

66.7 cm.

6.7 cm.

76.6 cm.

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

Is constant along a meridian of longtitude.

Is constant along a parallel of latitude.

Is contstant.

Varies slightly as a function of longitude and latitude.

3. 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?

276 mm.

245 mm.

263 cm.

222 mm.

4. Approximately how many nautical miles correspond to 9 cm on a map with a scale of 1 : 5 000 000?

240 nm.

243 nm.

256 nm.

5. Given: Chart scale 1 : 250 000. The chart distance between two points is 4 centimetres. Earth distance is approximately?

5.4 nm.

5.0 nm.

3.0 nm.

6.5 nm.

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

50 nm.

35 nm.

55 nm.

40 nm.

7. What is the distance between longitudes 179°E and 175°W on direct Mercator chart with a scale of 1 : 15 000 000 at the equator?

10 mm.

44 mm.

25 mm.

33 cm.

8. 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 : 12 500 000.

1 : 30 000 000.

1 : 6 000 000.

1 : 28 000 000.

9. The total length of the 70°N parallel of latitude on a direct Mercator chart is 120 cm. What is the approximate scale of the chart at latitude 40°S?

1 : 25 500 000.

1 : 7 250 000.

1 : 2 600 000.

1 : 16 050 000.

10. 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 : 16 500 000.

1 : 26 500 000.

1 : 12 500 000.

1 : 23 500 000.

11. 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?

200 nm.

184 nm.

210 nm.

195 nm.

12. 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?

596 nm.

580 nm.

605 nm.

620 nm.

13. 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'?

29 nm.

25 nm.

20 nm.

22 nm.

14. 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?

64 nm.

68 nm.

97 nm.

78 nm.

15. On a Direct Mercator chart at latitude 15°C, a certain length represents a distance of 130 NM on the earth. The same length on the chart will represent on the earth, at latitude 10°N, a distance of?

146.5 nm.

125.2 nm.

132.5 nm.

135.4 nm.

16. 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.

300 mm.

333 mm.

313 cm.

17. 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 : 2 000 000.

1 : 1 500 000.

1 : 3 200 000.

1 : 2 300 000.

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

1 : 4 400 000.

1 : 5 100 000.

1 : 6 200 000.

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

1 : 5 000 000.

1 : 6 500 000.

1 : 6 000 000.

1 : 4 500 000.

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

1 : 2 300 000.

1 : 1 500 000.

1 : 1 600 000.

1 : 2 700 000.

21. Approximately how many nautical miles correspond to 7 cm on a map with a scale of 1 : 500 000?

17 nm.

19 nm.

22 nm.

29 nm.

22. 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'?

10 nm.

12 nm.

22 nm.

15 nm.

23. Approximately how many nautical miles correspond to 12 cm on a map with a scale of 1 : 2 000 000?

240 nm.

130 cm.

200 nm.

130 nm.

24. In a navigation chart a distance of 55 NM is equal to 14 cm. The scale of the chart is approximately?

1 : 725 000.

1 : 600 000.

1 : 300 000.

1 : 700 000.

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

1 : 1 700 000.

1 : 2 000 000.

1 : 3 400 000.

1 : 1 500 000.

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

150 nm.

140 nm.

100 nm.

130 nm.

27. A Mercator chart has a scale at the equator = 1 : 2 400 000.What is the scale at latitude 60°S?

1 : 2 300 000.

1 : 1 500 000.

1 : 1 200 000.

1 : 3 600 000.

28. At 60°N the scale of a direct Mercator chart is 1 : 4 000 000. What is the scale at the equator?

1 : 6 000 000.

1 : 4 500 000.

1 : 12 000 000.

1 : 8 000 000.

29. 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 : 125 000.

1 : 25 000 000.

1 : 6 000 000.

1 : 2 900 000.

30. The total length of the 70°N parallel of latitude on a direct Mercator chart is 95 cm. What is the approximate scale of the chart at latitude 30°S?

1 : 26 000 000.

1 : 25 500 000.

1 : 17 250 000.

1 : 32 250 000.

31. 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 : 1 500 000.

1 : 1 650 000.

1 : 1 850 000.

1 : 2 000 000.

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

120 nm.

115 nm.

128 nm.

99 nm.

33. On a Direct Mercator chart at latitude of 70°N, 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?

365 nm.

346 nm.

259 nm.

320 nm.

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

1 : 6 000 000.

1 : 6 500 000.

1 : 5 000 000.

1 : 4 500 000.

35. Given: Chart scale 1 : 2 000 000. The chart distance between two points is 4 centimetres. Earth distance is approximately?

50 nm.

55 nm.

30 nm.

43 nm.

36. What is the distance between longitudes 179°E and 179°W on direct Mercator chart with a scale of 1 : 500 000 at the equator?

333 mm.

444 cm.

159 mm.

467 mm.

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

1 : 5 500 000.

1 : 2 000 000.

1 : 3 500 000.

1 : 4 000 000.

38. 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 : 278 000.

1 : 788 000.

1 : 27 800 000.

1 : 2 780 000.

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

Scale at the standard parallels.

Scale at the poles.

Constant at all points on the chart.

Scale at the parallel of origin.

40. 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?

40 nm.

37 nm.

48 nm.

45 nm.

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

45 nm.

90 nm.

76 nm.

86 nm.

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

130 nm.

250 nm.

200 nm.

243 nm.

43. 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?

100 mm.

125 cm.

111 mm.

133 mm.

44. Approximately how many nautical miles correspond to 35 cm on a map with a scale of 1 : 500 000?

80 nm.

90 nm.

94.5 nm.

85.5 nm.

45. A straight line on a chart 4.89 cm long represents 185 NM. The scale of this chart is approximately?

1 : 7 000 000.

1 : 5 500 000.

1 : 6 000 000.

1 : 6 500 000.

46. Given: Chart scale 1 : 3 000 000. The chart distance between two points is 24 centimetres. Earth distance is approximately?

839 nm.

3.89 nm.

38.9 nm.

389 nm.

47. On a Lambert Conformal chart the distance between meridians 5° apart along latitude 37° North 9 cm. The scale of the chart at that parallel approxiates?

1 : 4 000 000

1 : 4 500 000

1 : 3 500 000.

1 : 5 000 000

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

1 : 4 500 000.

1 : 6 000 000.

1 : 5 000 000.

1 : 12 000 000.

49. What is the chart distance between longitudes 179°E and 175°W on a direct Mercator chart with a scale 1 : 5 000 000 at the equator?

133 mm.

113 cm.

125 mm.

100 mm.

50. At 60°N the scale of a direct Mercator charts is 1 : 2 750 000. What is the scale at the equator?

1 : 5 500 000

1 : 3 500 000.

1 : 1 500 000.

1 : 2 500 000.

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