Surveying Online Test – Paper 3

1. If the needle is truly magnetic and is not sluggish

2. Placing the table over the station such that the station plotted on the sheet is exactly above the corresponding station on the ground is:

3. The angle of intersection of a curve is the angle between

4. The advantage of anallatic lens is

5. Diurnal variation depends upon

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

7. 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

8. The order of accuracy of the elevation of points obtained from a contour map is equal to

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

10. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

11. A series of closely spaced contour lines represent a

12. The boundary of water of a still lake is

13. In normal condition, the difference of fore and back bearing should be?

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

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

16. 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:

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

18. Horizontal equivalent of a uniform slope must be

19. The chain length which is not the standard metric chain length is

20. Plane table surveying is a graphical method of surveying in which:

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

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

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

24. A level line is a

25. The size of the plane table is:

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

27. 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

28. Size of a theodolite is specified by

29. Automatic level has advantages of

30. The three-point problem is concerned with:

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

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

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

34. The resection by a two-point problem as compared to the three-point problem:

35. The position of a point can be fixed more accurately by

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

37. The tacheometric method is a more suitable method for preparing the contour map of

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

39. To orient a plane table without two inaccessible points, the method generally adopted is:

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

41. The types of survey used to fix property lines are

42. The fix of the table is good when:

43. Height of the instrument is equal to:

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

45. Prolongation of a chain line across an obstruction in chain surveying is done by

46. Which one is the simplest survey?

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

48. For Y level, Cooke's, and Cushing levels, the line of collimation should coincide with

49. The method of plane tabling generally adopted to obtain details and plotting inaccessible points is:

50. *The observed reading on a leveling staff was 3.545 m. If the staff was 0.150m off from the original ground level, what should be the correct reading?