Surveying Online Test – Paper 3

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

2. Azimuth and altitude of a star

3. The two-point problem as compared to the three-point problem is:

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

5. A level line is a

6. 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)

7. The central angle subtended by an arc of 30m of the curve

8. A discrepancy is the difference between

9. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

10. An instrumental error in compass survey is because

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

12. Metallic tapes are made of

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

14. 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

15. *The line of collimation should be parallel to

16. The contour lines merge or cross one another on the map in the case of

17. Automatic level has advantages of

18. Resection is the method employed for:

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

20. For the route survey of a contour map, the method used is

21. The contour lines are perpendicular to the

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

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

24. In the case of leveling staff readings are taken by (In the case of target staff)

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

26. Personal error in leveling occurs due to

27. Height of the instrument is equal to:

28. If n observations are taken, the accidental errors are proportional to

29. A disadvantage of plane table survey is:

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

31. A staff reading taken on a benchmark/ known elevation or change point is known as

32. Find the length of curve if radius of curve

33. The absence of spherical aberration in a telescope is known as

34. The direct method of contouring is

35. Distomats is a type of

36. Tacheometry is adopted where

37. 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

38. The two-point problem is:

39. The dip of the needle

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

41. In the whole circle system, the bearings are measured

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

43. When the angular and linear measurements are equally precise in traversing, the balancing of the traverse is done by:

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

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

46. Azimuth (direct angles) is an angle measured in

47. The prismatic compass and the surveyor's compass respectively give

48. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

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

50. Well-conditioned triangle having an angle between