Surveying Online Test – Paper 3

1. Geodetic survey is different from plane surveying because of

2. In tacheometric survey, the method which provides easy reading of the staff is

3. The important points selected at the ends of the chain lines to command the boundaries of the survey are known as

4. 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:

5. Dumpy level is used when

6. A disadvantage of plane table survey is:

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

8. Short offsets are measured with

9. The image of the objectives formed should lie

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

11. The fundamental lines of transit of the theodolite are

12. Hydrographic survey deals with the mapping of

13. An anallatic lens is provided in a tacheometer to measure the horizontal distance.

14. The multiplying constant of a tacheometer is

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

16. The two-point problem is:

17. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called

18. An offset more than 15m in length is known as

19. The magnification of a telescope lens depends upon

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

21. Theodolite traverse is plotted more accurately by

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

23. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

24. The rise and fall method

25. Local attraction at a place may be due to

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

27. 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

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

29. An operation for determining the relative elevations of different points on the surface of the earth is known as

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

31. An imaginary line lying through the surface of the ground, having a constant inclination to the horizontal, is known as

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

33. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

34. Two contour lines, having the same elevation

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

36. Pick up the odd statement

37. The three-point problem is concerned with:

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

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

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

41. The types of leveling used for Geodetic survey is

42. A traverse survey can be plotted

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

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

45. The place where the reading is taken is known as

46. An instrumental error in compass survey is because

47. The foremost work to be executed while traversing with a compass is

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

49. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

50. Handles of chains are made of