Surveying Online Test – Paper 3

1. When the angular and linear measurements are equally precise in traversing, the balancing of the traverse is done by:

2. A Cadastral Map is a map having

3. If the temperature increases, the sensitivity of a bubble tube

4. The surface perpendicular to the direction of gravity is

5. Handles are connected to the link by

6. *Which instrument is not used in plane table

7. The rise and fall method

8. The correction for curvature as applied to staff reading is

9. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

10. For accurate work, in comparison to the chain, the steel band is used because it

11. The tie line is run through the survey to

12. Direct distance measurement method is more suitable to measure in

13. Local attraction at a place may be due to

14. Sensitivity of a level tube is expressed by

15. Find the contour interval for the map, 1: 25000 in IS & FPS

16. *Error due to imperfect adjustment of plate level is termed as

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

18. The error eliminated by taking the mean of both face observations is

19. Permanent adjustment is carried out to

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

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

22. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

23. The magnification of a telescope lens depends upon

24. In compass surveying

25. Plane table survey is considered good as compared to other surveys since:

26. *The two-peg method is used to check the parallelism between the

27. When a chain line encounters a river:

28. Well-conditioned triangle having an angle between

29. In a traverse, the algebraic sum of the deflection angles, taking the right-hand deflection angles as positive and left-hand deflection as negative, should be equal to

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

31. Instrumental error in leveling is an error due to

32. Working edge of alidade is called

33. The instrument used for centering the plane table accurately is:

34. The whole circle bearing 338°42" converted into quadrantal form is given as

35. In chain survey execution, this first step taken is

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

37. The errors due to bad ranging are

38. Secular variation is an important factor because

39. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

40. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

41. In normal condition, the difference of fore and back bearing should be?

42. Contour interval, within the limits of a map

43. Fifteen readings were recorded in a level field book. If the instrument was shifted after the 5th, 10th, and 15th readings, then the foresight readings are

44. When several contours coincide, it indicates

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

46. In the whole circle system, the bearings are measured

47. Magnetic declination

48. An internal focusing type of telescope is focused by the movement of

49. The outer spindle attached to the lower plate in a transit theodolite is known as

50. The direction of the steepest slope on a contour is