Surveying Online Test – Paper 3

1. Handles are connected to the link by

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

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

4. Any arbitrarily assumed level line from which vertical distances are measured is known as

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

6. Boning rod is used

7. The strength of fix' is poor when:

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

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

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

12. A 30 m long chain when tested should not show errors exceeding

13. A river is an obstacle to

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

15. 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

16. A bearing noted N45° E represents

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

18. The method of tacheometry in which the stadia hair intercept is fixed is known as

19. The sensitivity of the bubble tube expressed in terms of the angular value of one division of the bubble is given by

20. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be

21. The boundary of water of a still lake is

22. The rise and fall method

23. A chain is made up of mild steel or galvanized iron wire of diameter

24. The limiting length of an offset does not depend upon

25. The effect of local attraction is observed in

26. A straight line tangential to the longitudinal curve of the level tube at its center is known as

27. The accuracy of measurement in chain surveying does not depend upon

28. Find the R.F. of 1cm = 5m

29. If the formation level is less than the ground level, the difference between them at any point will give the

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

31. Which one is wrong?

32. *Total station measures

33. Which of the following instruments is generally used for baseline measurements?

34. *The line of collimation should be parallel to

35. Contour interval, within the limits of a map

36. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

37. The projection of a line on a plane perpendicular to the meridian is known as

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

39. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

40. The fundamental lines of transit of the theodolite are

41. 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

42. For a station to be free from local attraction

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

44. An offset more than 15m in length is known as

45. 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

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

47. A Cadastral Map is a map having

48. The upper plate

49. A scale representing either three units or only one unit and its fractions up to the second place of the decimal point is

50. If the needle is truly magnetic and is not sluggish