Surveying Online Test – Paper 3

1. Chainage is the distance measured

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

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

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

5. The purpose of triangulation in a chain survey is

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

7. The three-point problem is concerned with:

8. Which one of the following is not a personal error?

9. Diurnal variation depends upon

10. Find the length of curve if radius of curve

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

12. Compensating errors in chaining or other surveys are

13. A series of closed contour lines on the map with higher to lower values inside them represent a

14. *Accuracy of 'fix' by two-point problem is

15. Direct distance measurement method is more suitable to measure in

16. A level line is a

17. 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

18. The types of leveling used for Geodetic survey is

19. The method of plane tabling generally adopted to obtain details and plotting inaccessible points is:

20. The difference between a level line and a horizontal line is that

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

22. Parallax may be eliminated by

23. *Due to the curvature of the earth, objects look

24. Secular variation is an important factor because

25. Well-conditioned triangle having an angle between

26. 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

27. Contour lines

28. Invar tapes are made of an alloy of

29. In normal condition, the difference of fore and back bearing should be?

30. The rise and fall method of leveling provides a complete check on

31. An example of a level surface is

32. 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

33. Plane table survey is considered good as compared to other surveys since:

34. In the intersection method of plane tabling, the number of stations needed to be set up is:

35. *For the construction of highway/railway

36. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

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

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

39. The optical square is based on the principle of

40. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

41. The horizontal distances obtained by tacheometry are corrected for

42. Direction of the closing error is given by

43. Indirect ranging method is adopted when two points of the chain line are:

44. The instrument used for measuring area on a contour map is

45. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

46. Under Survey, "working from whole to part" is done

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

48. The outer spindle attached to the lower plate in a transit theodolite is known as

49. Tellurometer uses

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