Surveying Online Test – Paper 3

1. The contour interval depends upon

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

3. The survey which is carried out to determine absolute locations and the direction of any line on the surface of the earth by making observations of heavenly bodies is called

4. The reciprocal leveling eliminates

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

6. An instrumental error in compass survey is because

7. For any point on the surface with a given inclination, the contour gradient possible is

8. The levelling head of a transit theodolite consists of

9. While measuring horizontal distance by stepping method we should follow

10. A building is an obstacle to

11. Pick up the odd statement

12. A level line is a

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

14. In the intersection method of plane tabling, the number of stations needed to be set up is:

15. With the help of leveling, we measure

16. The curvature and refraction corrections applied to staff readings respectively are

17. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be

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

19. The angle that can be set by a French cross-staff is

20. Parallax may be eliminated by

21. The main difference between an optical square and a prism square is

22. The limiting length of an offset does not depend upon

23. The length of an Engineer's chain is

24. Two contour lines, having the same elevation

25. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

26. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

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

28. The inclination of the needle to the horizontal towards the pole is called

29. If the needle is truly magnetic and is not sluggish

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

31. The maximum angular error in laying the direction is 3°; if this maximum displacement of the point on paper is the same for both sources of error, the accuracy in the offset measurement will be

32. Normal tension is that pull which

33. Diurnal variation depends upon

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

35. The rise and fall method

36. Ranging is the process of

37. Angular surveying in which both the horizontal and vertical positions of a point are obtained by optical means is known as

38. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

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

40. The purpose of triangulation in a chain survey is

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

42. Automatic level has advantages of

43. Under Survey, "working from whole to part" is done

44. Level surface is parallel to

45. The method of plane tabling generally adopted to obtain details and plotting inaccessible points is:

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

47. The perpendicular distance of the midpoint of the line from the reference meridian is known as

48. Which one of the following is not a personal error?

49. Geodetic survey is different from plane surveying because of

50. The Bench Mark of a point is 400m. Backsight reading at the benchmark is 2.20, and the foresight reading of point A is 2.10. Find the RL of point A