Surveying Online Test – Paper 3

1. Invar tapes are made of an alloy of

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

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

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

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

6. Offsets are

7. The quadrantal bearing of a line is determined by:

8. Bowditch's rule is applied to

9. *For the construction of highway/railway

10. In the whole circle system, the bearings are measured

11. The tie line is run through the survey to

12. If the needle of the compass is sluggish the type of error will be

13. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

14. The "point of the curve" of a simple circular curve is

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

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

17. The function of the leveling head is

18. In survey, it was recorded that Σfall = 0 then

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

20. In compass surveying

21. If the observed reading of a level staff is 3.83m, and at the point sighted the staff is 0.15m off from the vertical through the bottom, the correct reading will be

22. 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

23. The triangle formed by joining the position of the known points on plane table survey is known as:

24. The magnification of a telescope lens depends upon

25. 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

26. Horizontal equivalent of a uniform slope must be

27. Compensating errors in chaining or other surveys are

28. For a station to be free from local attraction

29. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

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

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

32. Metallic tapes are made of

33. A poor fix of the table is:

34. The instrument used to reproduce plans to a different scale is called

35. The Philadelphia rod is a type of

36. *The leveling of the instrument is done such that

37. Angular surveying in which both the horizontal and vertical positions of a point are obtained by optical means is known as

38. A series of straight, parallel, and widely spaced contours on a map represent a

39. The fix of the table is good when:

40. The quadrantal system confines the user to measure the bearings from

41. The method of leveling in which the plane table is set at only one station to take detail is known as:

42. "Fiducial edge" is the working edge of

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

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

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

46. The instrument used for centering the plane table accurately is:

47. With the help of leveling, we measure

48. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

49. 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

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