Surveying Online Test – Paper 3

1. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

2. Leveling across a river is done by

3. The surface perpendicular to the direction of gravity is

4. Which one is the simplest survey?

5. The sensitivity of the bubble tube can be increased by

6. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

7. To orient a plane table without two inaccessible points, the method generally adopted is:

8. Right face and left face readings are taken to

9. 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

10. A series of closely spaced contour lines represent a

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

12. Placing the table over the station such that the station plotted on the sheet is exactly above the corresponding station on the ground is:

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

14. 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

15. The accuracy of measurement in chain surveying does not depend upon

16. During chaining along a straight line, the leader of the survey party has three arrows, and while the follower has five arrows. The distance of the follower from the starting point will be

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

18. The trunion axis or transverse axis is

19. The amount of correction due to local attraction at a place

20. The three-point problem is concerned with:

21. Well-conditioned triangle having an angle between

22. In normal condition, the difference of fore and back bearing should be?

23. Chainage is the distance measured

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

25. The central angle subtended by an arc of 30m of the curve

26. Open cross-staff is commonly used for setting out

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

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

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

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

31. The elevation (BM) of point A is 100 m. Backsight reading at A is 20, and foresight reading at B is 30 m. Find the RL of point B

32. The dip of the needle

33. Tilting levels are used for

34. A series of straight, parallel, and widely spaced contours on a map represent a

35. *The line of collimation should be parallel to

36. The fundamental lines of transit of the theodolite are

37. A traverse deflection angle is

38. An imaginary line connecting the points of equal elevation on the ground surface is known as

39. 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

40. *Which instrument is not used in plane table

41. Choose the correct statement:

42. The shape of the vertical curve generally used is

43. The theory of probability is applied to

44. Boning rod is used

45. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

46. The best method of interpolation of contours in the direct method of contouring is by

47. Ranging is the process of

48. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

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

50. The permissible limits of error in chaining for measurement on rough or hilly ground are