Surveying Online Test – Paper 3

1. A Cadastral Map is a map having

2. The main difference between theodolite and level is:

3. The method of offset laying involving minimum measurement on the ground is

4. Distomats is a type of

5. For accurate work, in comparison to the chain, the steel band is used because it

6. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

7. For a line AB

8. The magnification of a telescope lens depends upon

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

10. Sensitivity of a level tube is expressed by

11. Resection is the method employed for:

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

13. Limiting the length of offset depends upon

14. A discrepancy is the difference between

15. The three-point problem can be solved by:

16. The outer spindle attached to the lower plate in a transit theodolite is known as

17. The boundary of water of a still lake is

18. Tellurometer uses

19. The area of the earth's surface is taken into account only if the extent of the survey is more than

20. The orientation of the table is done by

21. Angle of 45° with the chain line may be set out with

22. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

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

24. Invar tapes are made of an alloy of

25. Plane table survey is considered good as compared to other surveys since:

26. The sag correction is always

27. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

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

29. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

30. In the intersection method of plane tabling, the number of stations needed to be set up is:

31. The multiplying constant of a tacheometer is

32. The amount of correction due to local attraction at a place

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. In compass surveying

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

36. The designation of scale recommended by IS: 1491-1959 is

37. 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

38. A staff reading taken on a benchmark/ known elevation or change point is known as

39. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

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

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

42. The dip of the needle

43. For the route survey of a contour map, the method used is

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

45. The "point of the curve" of a simple circular curve is

46. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called

47. The included angles of the theodolite traverse are generally measured

48. For the construction of a highway railway

49. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

50. The absence of spherical aberration in a telescope is known as