Surveying Online Test – Paper 3

1. Under Survey, "working from whole to part" is done

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

3. An anallatic lens is provided in a tacheometer to measure the horizontal distance.

4. 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

5. The height of instrument method is

6. In the case of a telescopic alidade, the adjustment done is

7. The types of errors that are of a cumulative nature and can be corrected are known as

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

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

10. 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

11. The angle subtended by the long chord of a simple curve at its center is equal to

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

13. In a double-line river, contours are

14. Handles of chains are made of

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

16. Choose the correct statement:

17. In a closed traverse,

18. Contour interval is proportional

19. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

20. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

21. Cubic parabola is a type of

22. The sag correction is always

23. The closing error is given by

24. For a station to be free from local attraction

25. The fix of the table is good when:

26. The magnification of a telescope lens depends upon

27. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

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

29. In a prismatic compass,

30. The main difference between theodolite and level is:

31. The curvature and refraction corrections applied to staff readings respectively are

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

33. The tie line is run through the survey to

34. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

35. Sensitivity of a level tube is expressed by

36. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

37. Error in tacheometric surveying is due to

38. The shape of the vertical curve generally used is

39. 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

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

41. The method of tacheometry in which the stadia hair intercept is fixed is known as

42. An imaginary line lying through the surface of the ground, having a constant inclination to the horizontal, is known as

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

44. The last reading of leveling is always at

45. In the whole circle system, the bearings are measured

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

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

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

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

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