Surveying Online Test – Paper 3

1. In tacheometric survey, the method which provides easy reading of the staff is

2. In a closed traverse,

3. Boning rod is used

4. Obstacle to ranging but not chaining is

5. *Total station is

6. While measuring horizontal distance by stepping method we should follow

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

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

9. The spacing of cross-sections in the indirect method of contouring depends upon

10. Limiting the length of offset depends upon

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

12. A relatively fixed point of known elevation above the datum is called

13. In leveling, the station where the back sight and foresight readings are taken is known as

14. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

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

16. Level surface is parallel to

17. The types of errors that are of a cumulative nature and can be corrected are known as

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

19. Tilting levels are used for

20. Working edge of alidade is called

21. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

22. The type of survey in which horizontal and vertical distance is measured

23. Staff intercept means

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

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

26. When several contours coincide, it indicates

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

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

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

30. The angle which the true meridian makes with the magnetic meridian is called

31. The location of the contour gradient for a highway is best set out from

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. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

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

35. The order of accuracy of the elevation of points obtained from a contour map is equal to

36. In the case of a telescopic alidade, the adjustment done is

37. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

38. Which of the following terms is not associated with leveling:

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

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

41. The scale used to measure and to set out the angles is

42. The inclination of the needle to the horizontal towards the pole is called

43. If the magnetic bearing of the sun at noon at a place in the southern hemisphere is 150°, the magnetic declination at that place is

44. The levels to which the earthwork will have to be carried out is known as

45. 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

46. "Cross-sectioning" and "Longitudinal sectioning" is

47. In a prismatic compass,

48. If the included angle is greater than 180°, the deflection angle is

49. Diurnal variation depends upon

50. Theodolite is an instrument used for measuring