Surveying Online Test – Paper 3

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

2. The contour interval depends upon

3. The magnification of a telescope lens depends upon

4. The principle of surveying to prevent the accumulation of errors is

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

6. Prolongation of a chain line across an obstruction in chain surveying is done by

7. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

8. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

9. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

10. 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

11. A traverse survey can be plotted

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

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

14. The Normal chord of a curve should be

15. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

16. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

17. The function of the leveling head is

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

19. An imaginary line connecting the points of equal elevation on the ground surface is known as

20. The rise and fall method

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

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

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

24. Revolving of the telescope of a theodolite in a horizontal plane is

25. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

26. Boning rod is used

27. Leveling across a river is done by

28. The method most suitable for plotting in hilly areas is:

29. In a closed traverse, the algebraic sum of deflection angles is

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

31. Bench marks are fixed by

32. The W.C.B of a line is preferred to a quadrantal bearing merely because

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

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

35. The shape of the vertical curve generally used is

36. *Error due to imperfect adjustment of plate level is termed as

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

38. *The line of collimation should be parallel to

39. Staff intercept means

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

41. *Total station measures

42. Which one of the following is not a personal error?

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

44. The position of a point can be fixed more accurately by

45. Tacheometry is adopted where

46. The trunion axis or transverse axis is

47. 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

48. The orientation of the table is done by

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

50. *The observed reading on a leveling staff was 3.545 m. If the staff was 0.150m off from the original ground level, what should be the correct reading?