Surveying Online Test – Paper 3

1. The resection by a two-point problem as compared to the three-point problem:

2. When several contours coincide, it indicates

3. The absence of chromatic aberration in a telescope is known as

4. Setting up the plane table consists of operations:

5. *The method of leveling used to carry out the reconnaissance of an area is

6. The contour lines merge or cross one another on the map in the case of

7. The angle of intersection of the horizon mirror and the index mirror of an optical square is

8. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

9. Angle of 45° with the chain line may be set out with

10. The types of survey in which fieldwork and plotting proceed simultaneously are:

11. 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

12. The representation of general topography of a very flat terrain is possible only

13. Indirect ranging method is adopted when two points of the chain line are:

14. Limiting the length of offset depends upon

15. For the construction of a highway railway

16. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

17. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

18. The last reading of leveling is always at

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

20. Chain surveying is used for

21. The two-point problem and three-point problems are methods of:

22. In a survey, it was recorded that Σrise = 0, then

23. Tilting levels are used for

24. A Cadastral Map is a map having

25. A discrepancy is the difference between

26. A benchmark (BM) is a

27. A series of closed contour lines on the map with higher to lower values inside them represent a

28. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

29. Size of a theodolite is specified by

30. The tacheometric method is a more suitable method for preparing the contour map of

31. The types of instrument generally used in the survey of gravity water supply system are:

32. *The correction for refraction is given by

33. A staff reading taken on a benchmark/ known elevation or change point is known as

34. The range of accuracy in measuring distance by EDM with respect to ODM is

35. The W.C.B of a line is preferred to a quadrantal bearing merely because

36. The device used in computing the horizontal and vertical distances rapidly and conveniently is

37. The designation of scale recommended by IS: 1491-1959 is

38. The prismatic compass and the surveyor's compass respectively give

39. Tacheometry is adopted where

40. Compensator is used to make the line of sight perpendicular to the vertical axis in the case of

41. 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)

42. Chainage is the distance measured

43. Which of the following instruments is generally used for baseline measurements?

44. If the included angle is less than 180°, the deflection angle is

45. If the formation level is less than the ground level, the difference between them at any point will give the

46. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

47. The horizontal distances obtained by tacheometry are corrected for

48. The types of survey used to fix property lines are

49. The distance between terminal points computed from a subsidiary traverse run between them is known as

50. *Total station measures