Surveying Online Test – Paper 3

1. A staff reading taken on a benchmark/ known elevation or change point is known as

2. A level line is a

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

4. Sensitivity of a level tube is expressed by

5. For the construction of a highway railway

6. The telescope is said to be normal when the

7. Chainage is the distance measured

8. The range of accuracy in measuring distance by EDM with respect to ODM is

9. Which one of the following may not be classified as a natural error?

10. The types of survey in which fieldwork and plotting proceed simultaneously are:

11. The contour lines are perpendicular to the

12. A negative declination shows the magnetic meridian to the

13. In compass surveying

14. Setting up the plane table consists of operations:

15. The needle is adjusted for

16. The direct method of contouring is

17. If the observed reading of a level staff is 3.83m, and at the point sighted the staff is 0.15m off from the vertical through the bottom, the correct reading will be

18. Contours are used to determine

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

20. If n observations are taken, the accidental errors are proportional to

21. For a line AB

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

23. Leveling across a river is done by

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

25. 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

26. Find the length of curve if radius of curve

27. When a chain line encounters a river:

28. 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

29. Instrumental error in leveling is an error due to

30. Revolving of the telescope of a theodolite in a horizontal plane is

31. The multiplying constant of a tacheometer is

32. *For the construction of highway/railway

33. Right face and left face readings are taken to

34. 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

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

36. The smaller angle which a survey line makes with the true meridian is known as

37. Find the length of curve if R=500 m, Intersection angle= 120°

38. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

39. In a prismatic compass,

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

41. A Cadastral Map is a map having

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

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

44. 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?

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

46. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

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

48. Contour lines

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

50. The three-point problem can be solved by: