Surveying Online Test – Paper 3

1. Bowditch's rule is applied to

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

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

4. The "point of the curve" of a simple circular curve is

5. The instrument used to reproduce plans to a different scale is called

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

7. Cubic parabola is a type of

8. *The radius of curvature of the arc of the bubble tube is generally kept

9. *The line of collimation should be parallel to

10. Hydrographic survey deals with the mapping of

11. Instrumental error in leveling is an error due to

12. If a chain is found too short on testing, it can be adjusted by

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

14. A benchmark (BM) is a

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

16. Bench marks are fixed by

17. The method most suitable for plotting in hilly areas is:

18. The errors due to bad ranging are

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

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

21. The W.C.B of a line is preferred to a quadrantal bearing merely because

22. Size of a theodolite is specified by

23. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is

24. For the construction of a highway railway

25. The reduced level of the line of collimation is 50m, and the staff reading at the base of the pillar is 1.15 m. Find the reduced level of the base of the pillar

26. Find the contour interval for the map, 1: 25000 in IS & FPS

27. A disadvantage of plane table survey is:

28. 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

29. An internal focusing type of telescope is focused by the movement of

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

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

32. The tie line is run through the survey to

33. The whole circle bearing 338°42" converted into quadrantal form is given as

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

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

36. *The leveling of the instrument is done such that

37. 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

38. Metallic tapes are made of

39. The types of survey used to fix property lines are

40. The Normal chord of a curve should be

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

42. *The correction for refraction is given by

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

44. "Fiducial edge" is the working edge of

45. In an internal focusing type of telescope, the negative lens provided is

46. The limiting length of an offset does not depend upon

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. Boning rod is used

49. The multiplying constant of a tacheometer is

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