Surveying Online Test – Paper 3

1. The errors due to bad ranging are

2. Horizontal equivalent of a uniform slope must be

3. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

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

5. During chaining along a straight line, the leader of the survey party has three arrows, and while the follower has five arrows. The distance of the follower from the starting point will be

6. The surface perpendicular to the direction of gravity is

7. 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

8. Any arbitrarily assumed level line from which vertical distances are measured is known as

9. Positive error is caused if

10. The place where the reading is taken is known as

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

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

13. 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:

14. The reciprocal leveling eliminates

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

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

17. Axis method of traverse correction is used when

18. "Fiducial edge" is the working edge of

19. True meridians

20. The function of the leveling head is

21. The central angle subtended by an arc of 30m of the curve

22. The location of the contour gradient for a highway is best set out from

23. Contour lines look to cross each other in the case of

24. The type of survey in which horizontal and vertical distance is measured

25. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

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

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

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

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

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

31. In a closed traverse,

32. Leveling across a river is done by

33. The two-point problem as compared to the three-point problem is:

34. Find the length of curve if radius of curve

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

36. Offsets are

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

38. Which one of the following may not be classified as personal error

39. The three-point problem is concerned with:

40. The stadia hairs are not used in

41. In compass surveying

42. Isogonic lines are

43. For a station to be free from local attraction

44. A negative declination shows the magnetic meridian to the

45. The reduced level of the line of collimation is 50m, and the staff reading at the base of the pillar is 1.15 m. Find the reduced level of the base of the pillar

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

47. Instrumental error in leveling is an error due to

48. 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

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

50. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as