Surveying Online Test – Paper 3

1. If the temperature increases, the sensitivity of a bubble tube

2. The contour lines are perpendicular to the

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

4. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

5. The difference between the most probable value of a quantity and its observed value is

6. A river is an obstacle to

7. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

8. Parallax may be eliminated by

9. Any arbitrarily assumed level line from which vertical distances are measured is known as

10. In leveling, the station where the back sight and foresight readings are taken is known as

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

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

13. The image of the objectives formed should lie

14. 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

15. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

16. The rise and fall method

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

18. *The observed reading on a leveling staff was 3.545 m. If the staff was 0.150m off from the original ground level, what should be the correct reading?

19. The contour interval depends upon

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

21. A Cadastral Map is a map having

22. Direction of the closing error is given by

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

24. Butt rods are used for measuring

25. The two-point problem is:

26. The orientation of the table is done by

27. When a chain line encounters a river:

28. The included angles of the theodolite traverse are generally measured

29. Subtense bar is an instrument used for the measurement of horizontal distance in

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

31. The "point of tangency" of a simple circular curve is

32. Closed contours with higher value inside represent a

33. The chain length which is not the standard metric chain length is

34. For Y level, Cooke's, and Cushing levels, the line of collimation should coincide with

35. The tacheometric method is a more suitable method for preparing the contour map of

36. Ranging is the process of

37. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

38. In the case of a telescopic alidade, the adjustment done is

39. "Fiducial edge" is the working edge of

40. The number of links in a 30 m metric chain is

41. 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

42. Contour lines look to cross each other in the case of

43. Plane table surveying is a graphical method of surveying in which:

44. 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

45. Intersection is preferred to radiation when:

46. A 20 cm theodolite means

47. Tellurometer uses

48. Contour lines of different elevations can unite to form one line only in the case of

49. The magnetic bearing of a line is 60°, and the true bearing of the same line is 70°. Find the declination

50. Level surface is parallel to