Surveying Online Test – Paper 3

1. The two-point problem and three-point problems are methods of:

2. *The line of collimation should be parallel to

3. A transition curve introduced between the tangent and the circular curve should

4. The contour lines are perpendicular to the

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

6. A 20 cm theodolite means

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

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

9. Orientation is the operation of keeping the table at successive stations such that:

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

11. Personal error in leveling occurs due to

12. The tacheometric method is a more suitable method for preparing the contour map of

13. A river is an obstacle to

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

15. The longitudinal section of the surface of the bubble tube is

16. *The two-peg method is used to check the parallelism between the

17. Which one is wrong?

18. The correction for curvature as applied to staff reading is

19. The resection by a two-point problem as compared to the three-point problem:

20. 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

21. Offsets are

22. The difference between the most probable value of a quantity and its observed value is

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

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

25. The area of the earth's surface is taken into account only if the extent of the survey is more than

26. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

27. The Normal chord of a curve should be

28. True meridians

29. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

30. The purpose of triangulation in a chain survey is

31. When a chain line encounters a river:

32. In survey works, declination varies from time to time and place to place. The main important variation is

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. In an internal focusing type of telescope, the negative lens provided is

35. 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

36. Metallic tapes are made of

37. The place where the reading is taken is known as

38. A level tube is used to make the line of sight horizontal. It is filled with

39. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

40. The sag correction is always

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

42. The graduations in a prismatic compass are

43. Revolving of the telescope of a theodolite in a horizontal plane is

44. The trunion axis or transverse axis is

45. If the level tube is out of adjustment by an angle e, when the telescope is rotated through 180°, it becomes

46. Area of triangle joining three corner points in comparison to the circle same three points:

47. *The method of leveling used to carry out the reconnaissance of an area is

48. *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

49. In the direct method of contouring, the process of locating points lying on a contour is known as

50. The boundary of water of a still lake is