Surveying Online Test – Paper 3

1. Chainage is the distance measured

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

3. "A curve of varying radius introduced between two branches of a compound curve is called

4. The multiplying constant of a tacheometer is

5. Intersection is preferred to radiation when:

6. Sensitivity of a level tube is expressed by

7. The magnification of a telescope lens depends upon

8. The Philadelphia rod is a type of

9. In the scale of a map is 1:25000, what does it mean:

10. Local attraction at a place may be due to

11. Tacheometry is adopted where

12. The spacing of cross-sections in the indirect method of contouring depends upon

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

14. The order of accuracy of the elevation of points obtained from a contour map is equal to

15. For a line AB

16. Diurnal variation depends upon

17. In a dumpy level, the objective and eyepiece lenses are made of two or more small lenses to obtain

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

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

20. Normal tension is that pull which

21. The RL of the benchmark is 1000.0 m, and the back sight reading at the benchmark is 2.555 m. Find the staff reading of IS if the RL of IS is 1000.055 m

22. A level line is a

23. The error eliminated by taking the mean of both face observations is

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

25. The correction for curvature as applied to staff reading is

26. In plane table instrument for horizontal & vertical measurement without chaining

27. Two contour lines, having the same elevation

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

29. In the case of leveling staff readings are taken by (In the case of target staff)

30. Butt rods are used for measuring

31. 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

32. The quadrantal bearing of a line is determined by:

33. Dumpy level is used when

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

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

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

37. A traverse survey can be plotted

38. If the included angle is less than 180°, the deflection angle is

39. In a closed traverse, the algebraic sum of deflection angles is

40. Which one is wrong?

41. A straight line tangential to the longitudinal curve of the level tube at its center is known as

42. Height of instrument method of leveling, as compared to the rise and fall method, is

43. The Normal chord of a curve should be

44. *The line of collimation should be parallel to

45. "Fiducial edge" is the working edge of

46. The main difference between an optical square and a prism square is

47. The angle subtended by the long chord of a simple curve at its center is equal to

48. Cubic parabola is a type of

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

50. In chain survey execution, this first step taken is