Surveying Online Test – Paper 3

1. 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:

2. Find the length of curve if radius of curve

3. The intercept of a staff is

4. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

5. Sensitivity of a level tube is expressed by

6. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

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

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

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

10. 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

11. When several contours coincide, it indicates

12. The chord of curve less than peg interval is known as

13. The perpendicular distance of the midpoint of the line from the reference meridian is known as

14. The permissible limits of error in chaining for measurement on rough or hilly ground are

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

16. A scale representing either three units or only one unit and its fractions up to the second place of the decimal point is

17. In leveling, the station where the back sight and foresight readings are taken is known as

18. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

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

20. The projection of a line on a plane parallel to the meridian is known as

21. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

22. The angular and linear measurement of the part of the traverse can be checked by

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

24. Bench marks are fixed by

25. In the case of leveling staff readings are taken by (In the case of target staff)

26. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

27. The length of an Engineer's chain is

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

29. The contour lines merge or cross one another on the map in the case of

30. The line normal to the plumb line is known as

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

32. The stadia hairs are not used in

33. The magnetic declination at a place is 7°20' W, the bearing given by the compass is S45°40'E, the true bearing of the place is

34. A poor fix of the table is:

35. "Fiducial edge" is the working edge of

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

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

38. If the included angle is greater than 180°, the deflection angle is

39. A traverse survey can be plotted

40. Negative errors are caused in the chain when its length is

41. The rise and fall method of leveling provides a complete check on

42. The contour line can cross one another on a map only in the case of

43. Compensator is used to make the line of sight perpendicular to the vertical axis in the case of

44. The closing error is given by

45. Direct distance measurement method is more suitable to measure in

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

47. A diagonal eyepiece is provided with a

48. The errors due to bad ranging are

49. Boning rod is used

50. An offset scale always has the zero mark at