Surveying Online Test – Paper 3

1. Actually, which is not the method of plane tabling?

2. "Cross-sectioning" and "Longitudinal sectioning" is

3. A negative declination shows the magnetic meridian to the

4. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

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

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

7. Methods adopted for traversing are

8. The true bearing of a line can be calculated as (Where the declination is to the east.)

9. The levelling head of a transit theodolite consists of

10. In survey, it was recorded that Σfall = 0 then

11. Angle of 45° with the chain line may be set out with

12. Height of the instrument is equal to:

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

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

15. *The instrument used to measure horizontal and vertical angle is

16. A poor fix of the table is:

17. Butt rods are used for measuring

18. Limiting the length of offset depends upon

19. *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?

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

21. In a constant level tube, the size of the bubble remains constant because the upper wall of the tube has

22. Bowditch's rule is applied to

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

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

25. The purpose of triangulation in a chain survey is

26. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

27. Magnetic declination

28. The vertical distance between any two consecutive contours is known as

29. The graduations in a prismatic compass are

30. The absence of chromatic aberration in a telescope is known as

31. The curvature and refraction corrections applied to staff readings respectively are

32. The reciprocal leveling eliminates

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

34. 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

35. If the formation level is less than the ground level, the difference between them at any point will give the

36. The types of instrument generally used in the survey of gravity water supply system are:

37. The types of leveling used for Geodetic survey is

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

39. 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

40. The levels to which the earthwork will have to be carried out is known as

41. Diurnal variation depends upon

42. *Total station is

43. Axis method of traverse correction is used when

44. A river is an obstacle to

45. The closing error is given by

46. The inclination of the needle to the horizontal towards the pole is called

47. Bench marks are fixed by

48. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for:

49. Choose the correct statement:

50. Parallax may be eliminated by