Surveying Online Test – Paper 3

1. Fifteen readings were recorded in a level field book. If the instrument was shifted after the 5th, 10th, and 15th readings, then the foresight readings are

2. The magnetic north is indicated by

3. Which one of the following may not be classified as a natural error?

4. For a tacheometer, the additive and multiplying constants are respectively

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

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

7. Dumpy level is used when

8. *Total station is

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

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

11. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

12. 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

13. The representation of general topography of a very flat terrain is possible only

14. Permanent adjustment is carried out to

15. Methods adopted for traversing are

16. The reciprocal leveling eliminates

17. 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:

18. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

19. Contour interval is proportional

20. 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

21. With the help of leveling, we measure

22. The amount of correction due to local attraction at a place

23. The two-point problem is:

24. True meridians

25. The image of the objectives formed should lie

26. In leveling across a hill, the level should be set up on

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

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

29. 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

30. Height of the instrument is equal to:

31. 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

32. The location of the contour gradient for a highway is best set out from

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

34. Ranging is the process of

35. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

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

37. Level surface is parallel to

38. The advantage of anallatic lens is

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

40. The types of survey in which fieldwork and plotting proceed simultaneously are:

41. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

42. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

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

44. The survey stations set up during traversing with the compass should be such that

45. The multiplying constant of a tacheometer is

46. Distomats is a type of

47. Resection is the method employed for:

48. The direction of the steepest slope on a contour is

49. 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

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