Surveying Online Test – Paper 3

1. Tacheometry is adopted where

2. In a closed traverse, the algebraic sum of deflection angles is

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

4. The angle which the true meridian makes with the magnetic meridian is called

5. The telescope is said to be normal when the

6. A Cadastral Map is a map having

7. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

8. "A curve of varying radius introduced between two branches of a compound curve is called

9. "Fiducial edge" is the working edge of

10. The chord of curve less than peg interval is known as

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

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

13. A level tube is used to make the line of sight horizontal. It is filled with

14. For the construction of a highway railway

15. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

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

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

18. A 20 cm theodolite means

19. The contour lines are perpendicular to the

20. The contour line can cross one another on a map only in the case of

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

22. *The radius of curvature of the arc of the bubble tube is generally kept

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

24. In leveling, the station where the back sight and foresight readings are taken is known as

25. The levelling head of a transit theodolite consists of

26. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for:

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

28. If the magnetic declination is (-)6°0' and the reduced bearing of a line is S40°01'E, the true bearing of the line is

29. If the level tube is out of adjustment by an angle e, when the telescope is rotated through 180°, it becomes

30. The magnetic declination at a place is 7°20' W, the bearing given by the compass is S45°40'E, the true bearing of the place is

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

32. The method of tacheometry in which the stadia hair intercept is fixed is known as

33. The graduations in a prismatic compass are

34. Parallax may be eliminated by

35. The longest chain line passing through the center of the area is known as

36. The types of errors that are of a cumulative nature and can be corrected are known as

37. Height of the instrument is equal to:

38. The projection of a line on a plane parallel to the meridian is known as

39. With the help of leveling, we measure

40. *The line of collimation should be parallel to

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

42. In survey, it was recorded that Σfall = 0 then

43. Two contour lines, having the same elevation

44. Invar tapes are made of an alloy of

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

46. In the case of leveling staff readings are taken by (In the case of target staff)

47. The number of links in a 30 m metric chain is

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

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

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