Surveying Online Test – Paper 3

1. Theodolite traverse is plotted more accurately by

2. Staff intercept means

3. The purpose of triangulation in a chain survey is

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

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

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

7. A Cadastral Map is a map having

8. Negative errors are caused in the chain when its length is

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

10. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

11. The types of leveling used for Geodetic survey is

12. 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?

13. The strength of the fix of a plane table is:

14. The boundary of water of a still lake is

15. The instrument used for measuring area on a contour map is

16. The rise and fall method

17. The height of instrument method is

18. 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

19. The line normal to the plumb line is known as

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

21. Tilting levels are used for

22. 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

23. Area of triangle joining three corner points in comparison to the circle same three points:

24. The fundamental lines of transit of the theodolite are

25. The direct method of contouring is

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

27. The reciprocal leveling eliminates

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

29. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

30. The quadrantal system confines the user to measure the bearings from

31. The two-point problem and three-point problems are methods of:

32. For the construction of a highway railway

33. Handles of chains are made of

34. The sag correction is always

35. In the whole circle system, the bearings are measured

36. Two contour lines, having the same elevation

37. Magnetic declination

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

39. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

40. Invar tapes are made of an alloy of

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

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

43. The projection of a line on a plane perpendicular to the meridian is known as

44. The needle is adjusted for

45. The angle of intersection of a curve is the angle between

46. The theory of probability is applied to

47. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is

48. Find the R.F. of 1cm = 5m

49. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

50. If the included angle is greater than 180°, the deflection angle is