Surveying Online Test – Paper 3

1. Level surface is parallel to

2. Obstacle to ranging but not chaining is

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

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

5. Azimuth (direct angles) is an angle measured in

6. Subtense bar is an instrument used for the measurement of horizontal distance in

7. A building is an obstacle to

8. Contour lines

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

10. The longest chain line passing through the center of the area is known as

11. The needle is adjusted for

12. *The method of leveling used to carry out the reconnaissance of an area is

13. The best method of interpolation of contours in the direct method of contouring is by

14. 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?

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

16. The direction of the steepest slope on a contour is

17. The theory of probability is applied to

18. The boundary of water of a still lake is

19. *Due to the curvature of the earth, objects look

20. Actually, which is not the method of plane tabling?

21. The trunion axis or transverse axis is

22. Theodolite is an instrument used for measuring

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

24. The rise and fall method

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

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

27. A poor fix of the table is:

28. Well-conditioned triangle having an angle between

29. In a closed traverse by included angles, the sum of measured interior angles should be equal to

30. The levelling head of a transit theodolite consists of

31. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

32. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

33. Tacheometry is adopted where

34. 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

35. The three-point problem is concerned with:

36. Direction of the closing error is given by

37. The method of tacheometry in which the observation is made with stadia wires with a variable interval is known as

38. Bowditch's rule is applied to

39. Contour lines of different elevations can unite to form one line only in the case of

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

41. Plane table surveying is a graphical method of surveying in which:

42. The types of instrument generally used in the survey of gravity water supply system are:

43. The last reading of leveling is always at

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

45. Open cross-staff is commonly used for setting out

46. The distance between terminal points computed from a subsidiary traverse run between them is known as

47. A traverse survey can be plotted

48. The instrument used for measuring area on a contour map is

49. 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

50. Orientation is the operation of keeping the table at successive stations such that: