Surveying Online Test – Paper 3

1. If the station A and B are equally affected and in the different direction, then the difference between the forebearing and back bearing of a line AB should be

2. The boundary of water of a still lake is

3. A Cadastral Map is a map having

4. The errors due to bad ranging are

5. Local attraction at a place may be due to

6. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

7. The sag correction is always

8. Right face and left face readings are taken to

9. The process of bringing the vertical circle to the right of the observer is called

10. Chain surveying is used for a small area in

11. Permanent adjustment is carried out to

12. In compass surveying

13. Normal tension is that pull which

14. The dip of the needle

15. A bearing noted N45° E represents

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

17. 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

18. *For the construction of highway/railway

19. Staff intercept means

20. When a chain line encounters a river:

21. An anallatic lens is provided in a tacheometer to measure the horizontal distance.

22. Contours are used to determine

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

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

25. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

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

27. 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

28. Instrumental error in leveling is an error due to

29. Handles of chains are made of

30. Distomats is a type of

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

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

33. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

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

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

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

37. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

38. The important points selected at the ends of the chain lines to command the boundaries of the survey are known as

39. The principle of surveying to prevent the accumulation of errors is

40. 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

41. The Philadelphia rod is a type of

42. The size of the plane table is:

43. The strength of the fix of a plane table is:

44. "Fiducial edge" is the working edge of

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

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

47. The main difference between an optical square and a prism square is

48. Direction of the closing error is given by

49. Theodolite traverse is plotted more accurately by

50. 'SPIRE TEST' is used in the permanent adjustment of theodolite for