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Questions for SCALE

Answer the following questions

1. 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?
2. 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?
3. At 60° N the scale of a direct Mercator chart is 1: 3 500 000. What is the scale at the equator?
4. Approximately how many nautical miles correspond to 10 cm on a map with a scale of 1 : 5 000 000?
5. Approximately how many nautical miles correspond to 7 cm on a map with a scale of 1 : 500 000?
6. 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?
7. 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?
8. Given: Chart scale 1 : 200 000. The chart distance between two points is 12 centimetres. Earth distance is approximately?
9. 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?
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?
11. Given: Chart scale 1 : 5 000 000. The chart distance between two points is 10 centimetres. Earth distance is approximately?
12. Given: Chart scale 1 : 250 000. The chart distance between two points is 4 centimetres. Earth distance is approximately?
13. A Mercator chart has a scale at the equator = 1 : 2 400 000.What is the scale at latitude 60°S?
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?
15. Apprximately how many nautical miles correspond to 15 cm on a map with a scale of 1 : 2 000 000?
16. In a navigation chart a distance of 49 NM is equal to 7 cm. The scale of the chart is approximately?
17. At 60° N the scale of a direct Mercator chart is 1 : 3 000 000. What is the scale at the equator?
18. A straight line on a chart 4.89 cm long represents 185 NM. The scale of this chart is approximately?
19. In a navigation chart a distance of 55 NM is equal to 7 cm. The scale of the chart is approximately?
20. On a direct Mercator projection, at latitude 45° North, a certain length represents 70 NM. At latitude 40° North, the same length represents approximately?
21. 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?
22. 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?
23. 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?
24. The nominal scale of a Lambert conformal conic chart is the?
25. On a Direct Mercator chart at latitude of 75°N, a certain length represents a distance of 75 NM on the earth. The same length on the chart will represent on the earth, at latitude 30°N, a distance of?
26. 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?
27. Approximately how many nautical miles correspond to 12 cm on a map with a scale of 1 : 2 000 000?
28. Given: Chart scale 1 : 2 000 000. The chart distance between two points is 4 centimetres. Earth distance is approximately?
29. A Mercator chart has a scale at the equator = 1: 3 704 000. What is the scale at latitude 60 °S?
30. On a direct Mercator projection, at latitude 45° North, a certain length represents 98 NM. At latitude 30° North, the same length represents approximately?
31. A straight line drawn on a chart measures 4.5 cm and represents 125 NM. The chart scale is?
32. 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?
33. Approximately how many nautical miles correspond to 20 cm on a map with a scale of 1 : 2 000 000?
34. 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?
35. The total length of the 45°N parallel of latitude on a direct Mercator chart is 200 cm. What is the approximate scale of the chart at latitude 60°S?
36. 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?
37. At 60°N the scale of a direct Mercator chart is 1 : 4 000 000. What is the scale at the equator?
38. 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?
39. 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?
40. At 47° North the chart distance between meridians 10° apart is 5 inches. The scale of the chart at 47° North approximates?
41. The scale on Lambert's conformal conic chart?
42. 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?
43. 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?
44. 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?
45. 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?
46. At 47° North the chart distance between meridians 10° apart is 6 inches. The scale of the chart at 47° North approximates?
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'?
48. A straight line drawn on a chart measures 4.63 cm and represents 150 NM. The chart scale is?
49. 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?
50. Approximately how many nautical miles correspond to 9 cm on a map with a scale of 1 : 5 000 000?