Surveying Online Test – Paper 3

1. For any point on the surface with a given inclination, the contour gradient possible is

2. Chainage is the distance measured

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

4. In a prismatic compass,

5. Which one of the following may not be classified as a natural error?

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

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

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

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

10. A traverse deflection angle is

11. 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

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

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

14. A river is an obstacle to

15. For the construction of a highway railway

16. 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)

17. Horizontal equivalent of a uniform slope must be

18. Diurnal variation depends upon

19. A building is an obstacle to

20. Local attraction at a place may be due to

21. The angle of intersection of a curve is the angle between

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

23. The contour lines are perpendicular to the

24. The representation of general topography of a very flat terrain is possible only

25. The function of the leveling head is

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

27. 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

28. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

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

30. A disadvantage of plane table survey is:

31. Pick up the odd statement

32. Two contour lines, having the same elevation

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

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

35. The upper plate

36. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

37. Methods adopted for traversing are

38. A Cadastral Map is a map having

39. 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

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

41. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

42. Secular variation is an important factor because

43. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

44. A traverse survey can be plotted

45. Ten readings were recorded in a level field book. If the instrument was shifted after the 2nd and 6th readings, then the foresight readings are

46. Bowditch's rule is applied to

47. The levelling head of a transit theodolite consists of

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

49. *For the construction of highway/railway

50. The bearing of the traverse line is calculated by