Surveying Online Test – Paper 3

1. Automatic level has advantages of

2. Axis method of traverse correction is used when

3. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

4. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

5. *Error due to imperfect adjustment of plate level is termed as

6. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

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

8. For a station to be free from local attraction

9. For the construction of a highway railway

10. 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?

11. Theodolite is an instrument used for measuring

12. Find the R.F. of 1cm = 5m

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

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

15. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

16. Which one of the following may not be classified as personal error

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

18. The method of leveling in which the plane table is set at only one station to take detail is known as:

19. Handles of chains are made of

20. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called

21. The surface perpendicular to the direction of gravity is

22. 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

23. The Normal chord of a curve should be

24. The angle of intersection of a curve is the angle between

25. Compensator is used to make the line of sight perpendicular to the vertical axis in the case of

26. When the whole circle bearing of two lines AB and AC are 115° and 41° respectively, then the included angle BAC will be:

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

28. In a closed traverse,

29. The minimum horizontal distance between any two consecutive contours is known as

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

31. Normal tension is that pull which

32. Which one is wrong?

33. If W is the weight of the chain, L is the span, and P is the tension or pull, the sag correction for the chain will be

34. Handles are connected to the link by

35. 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

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

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

38. The contour interval depends upon

39. 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

40. The three-point problem is concerned with:

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

42. If the sights are vertical

43. Tacheometry is adopted where

44. The needle is adjusted for

45. The method of tacheometry in which the stadia hair intercept is fixed is known as

46. Closed contours with higher value inside represent a

47. Prolongation of a chain line across an obstruction in chain surveying is done by

48. Well-conditioned triangle having an angle between

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

50. The types of errors that are of a cumulative nature and can be corrected are known as