Surveying Online Test – Paper 3

1. "A curve of varying radius introduced between two branches of a compound curve is called

2. The survey which is carried out to determine absolute locations and the direction of any line on the surface of the earth by making observations of heavenly bodies is called

3. Working edge of alidade is called

4. In a traverse, the algebraic sum of the deflection angles, taking the right-hand deflection angles as positive and left-hand deflection as negative, should be equal to

5. The resection by a two-point problem as compared to the three-point problem:

6. The dip of the needle

7. The angle of intersection of the horizon mirror and the index mirror of an optical square is

8. The three-point problem is concerned with:

9. A traverse survey can be plotted

10. The trunion axis or transverse axis is

11. The error eliminated by taking the mean of both face observations is

12. Contours are used to determine

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

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

15. 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

16. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

17. 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

18. In the scale of a map is 1:25000, what does it mean:

19. A series of closely spaced contour lines represent a

20. Local attraction in compass surveying may be due to

21. The stadia hairs are not used in

22. A 20 cm theodolite means

23. A series of closed contour lines on the map with higher to lower values inside them represent a

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

25. The function of the leveling head is

26. Choose the correct statement:

27. For accurate work, in comparison to the chain, the steel band is used because it

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

29. The effect of local attraction is observed in

30. The prismatic compass and the surveyor's compass respectively give

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

32. Height of instrument method of leveling, as compared to the rise and fall method, is

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

34. 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

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

36. "Fiducial edge" is the working edge of

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

38. When the following scale is the smallest one

39. Intersection is preferred to radiation when:

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

41. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for:

42. The minimum horizontal distance between any two consecutive contours is known as

43. Offset angle taken in chain survey may be

44. Which one is the simplest survey?

45. Positive error is caused if

46. *Total station is

47. The reciprocal leveling eliminates

48. The optical square is based on the principle of

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

50. A bearing noted N45° E represents