Surveying Online Test – Paper 3

1. Personal error in leveling occurs due to

2. The true bearing of a line can be calculated as (Where the declination is to the east.)

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

4. The boundary of water of a still lake is

5. The contour interval depends upon

6. Right face and left face readings are taken to

7. The levelling head of a transit theodolite consists of

8. A leveling station is a point where:

9. Size of a theodolite is specified by

10. The process of turning the telescope about the vertical axis in a horizontal plane is known as

11. Limiting the length of offset depends upon

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

13. Orientation is the operation of keeping the table at successive stations such that:

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

15. Height of instrument method of leveling, as compared to the rise and fall method, is

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

17. Contour lines look to cross each other in the case of

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

19. Azimuth (direct angles) is an angle measured in

20. An invert is taken when the point is

21. Bowditch's rule is applied to

22. Which one is wrong?

23. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

24. In the direct method of contouring, the process of locating points lying on a contour is known as

25. The two-point problem as compared to the three-point problem is:

26. 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

27. The method of tacheometry in which the observation is made with stadia wires with a variable interval is known as

28. The sensitivity of the bubble tube expressed in terms of the angular value of one division of the bubble is given by

29. The survey stations set up during traversing with the compass should be such that

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

31. Chain surveying is used for a small area in

32. The vertical distance between any two consecutive contours is known as

33. The angular and linear measurement of the part of the traverse can be checked by

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

35. For a tacheometer, the additive and multiplying constants are respectively

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

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

38. "Fiducial edge" is the working edge of

39. Closed contours with higher value inside represent a

40. The magnification of a telescope lens depends upon

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

42. The method of leveling in which the plane table is set at only one station to take detail is known as:

43. A traverse survey can be plotted

44. In a prismatic compass,

45. A 30 m long chain when tested should not show errors exceeding

46. In a closed traverse by included angles, the sum of measured interior angles should be equal to

47. In survey works, declination varies from time to time and place to place. The main important variation is

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

49. Geodetic survey is different from plane surveying because of

50. Working edge of alidade is called