Surveying Online Test – Paper 3

1. The difference between a level line and a horizontal line is that

2. The foremost work to be executed while traversing with a compass is

3. Leveling across a river is done by

4. The types of leveling used for Geodetic survey is

5. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

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

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

8. The inclination of the needle to the horizontal towards the pole is called

9. Area of triangle joining three corner points in comparison to the circle same three points:

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

11. Find the contour interval for the map, 1: 25000 in IS & FPS

12. A disadvantage of plane table survey is:

13. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

14. If the magnetic declination is (-)6°0' and the reduced bearing of a line is S40°01'E, the true bearing of the line is

15. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is

16. Contour lines

17. The contour lines are perpendicular to the

18. The main difference between theodolite and level is:

19. The fundamental lines of transit of the theodolite are

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

21. 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

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

23. The magnetic north is indicated by

24. The longitudinal section of the surface of the bubble tube is

25. The height of instrument method is

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

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

28. The device used in computing the horizontal and vertical distances rapidly and conveniently is

29. The projection of a line on a plane perpendicular to the meridian is known as

30. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

31. The fix of the table is good when:

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

33. *Which instrument is not used in plane table

34. Contour interval is proportional

35. The limiting length of an offset does not depend upon

36. The maximum allowable limit up to which a measurement may vary from the true value is known as

37. The triangle formed by joining the position of the known points on plane table survey is known as:

38. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

39. Offsets are

40. 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

41. The Philadelphia rod is a type of

42. Right face and left face readings are taken to

43. In plane table instrument for horizontal & vertical measurement without chaining

44. If a chain is found too short on testing, it can be adjusted by

45. In a survey, it was recorded that Σrise = 0, then

46. An invert is taken when the point is

47. Bowditch's rule is applied to

48. An example of a level surface is

49. When a chain line encounters a river:

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