Surveying Online Test – Paper 3

1. The levels to which the earthwork will have to be carried out is known as

2. The telescope is said to be normal when the

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

4. The length of an Engineer's chain is

5. Sensitivity of a level tube is expressed by

6. 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

7. The stadia hairs are not used in

8. The number of links in a 30 m metric chain is

9. An operation for determining the relative elevations of different points on the surface of the earth is known as

10. A Cadastral Map is a map having

11. The advantage of anallatic lens is

12. Dumpy level is used when

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

14. The spacing of cross-sections in the indirect method of contouring depends upon

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

16. Crosshairs in a surveying telescope are fitted

17. With the help of leveling, we measure

18. A traverse consists of six sides; then the sum of external angles must be

19. The errors due to bad ranging are

20. The fundamental lines of transit of the theodolite are

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

22. The RL of the benchmark is 1000.0 m, and the back sight reading at the benchmark is 2.555 m. Find the staff reading of IS if the RL of IS is 1000.055 m

23. In the direct method of contouring, the process of locating points lying on a contour is known as

24. Ranging is the process of

25. For the construction of a highway railway

26. The instrument used to reproduce plans to a different scale is called

27. Intersection is preferred to radiation when:

28. The size of the plane table is:

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

30. Chain surveying is used for a small area in

31. A 30 m long chain when tested should not show errors exceeding

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

33. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

34. The intercept of a staff is

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

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

37. The function of the leveling head is

38. Azimuth and altitude of a star

39. Instrumental error in leveling is an error due to

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

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

42. 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:

43. A diagonal eyepiece is provided with a

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

45. The maximum angular error in laying the direction is 3°; if this maximum displacement of the point on paper is the same for both sources of error, the accuracy in the offset measurement will be

46. Offset angle taken in chain survey may be

47. The types of survey in which fieldwork and plotting proceed simultaneously are:

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

49. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

50. 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