Surveying Online Test – Paper 3

1. In a closed traverse,

2. Horizontal equivalent of a uniform slope must be

3. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

4. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

5. In plane table instrument for horizontal & vertical measurement without chaining

6. Contours are used to determine

7. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

8. In the case of a telescopic alidade, the adjustment done is

9. Intersection is preferred to radiation when:

10. The quadrantal bearing of a line is determined by:

11. *For the construction of highway/railway

12. Axis method of traverse correction is used when

13. Handles are connected to the link by

14. The principle of surveying to prevent the accumulation of errors is

15. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

16. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

17. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

18. The types of leveling used for Geodetic survey is

19. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

20. The bearing of the traverse line is calculated by

21. The central angle subtended by an arc of 30m of the curve

22. The scale used to measure and to set out the angles is

23. The instrument used to reproduce plans to a different scale is called

24. The difference between a level line and a horizontal line is that

25. Direction of the closing error is given by

26. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

27. Which one of the following may not be classified as personal error

28. The RL of the benchmark is 1000.0 m, and the back sight reading at the benchmark is 2.555 m. Find the staff reading of IS if the RL of IS is 1000.055 m

29. The magnetic north is indicated by

30. The triangle formed by joining the position of the known points on plane table survey is known as:

31. The contour interval depends upon

32. Resection is the method employed for:

33. The purpose of triangulation in a chain survey is

34. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

35. If the station A and B are equally affected and in the different direction, then the difference between the forebearing and back bearing of a line AB should be

36. Ten readings were recorded in a level field book. If the instrument was shifted after the 2nd and 6th readings, then the foresight readings are

37. A traverse deflection angle is

38. Level surface is parallel to

39. The main difference between theodolite and level is:

40. The image of the objectives formed should lie

41. Contour interval, within the limits of a map

42. *The instrument used to measure horizontal and vertical angle is

43. The surface perpendicular to the direction of gravity is

44. Plane table surveying is a graphical method of surveying in which:

45. "Cross-sectioning" and "Longitudinal sectioning" is

46. The method most suitable for plotting in hilly areas is:

47. The errors due to bad ranging are

48. The maximum number of omitted measurements that can be calculated from latitudes and departures of a closed traverse is

49. The reduced level of the line of collimation is 50m, and the staff reading at the base of the pillar is 1.15 m. Find the reduced level of the base of the pillar

50. *Total station measures