Surveying Online Test – Paper 3

1. The contour interval depends upon

2. *Error due to imperfect adjustment of plate level is termed as

3. *The leveling of the instrument is done such that

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

5. The permissible limits of error in chaining for measurement on rough or hilly ground are

6. A series of closed contour lines on the map with higher to lower values inside them represent a

7. *Total station is

8. The angle that can be set by a French cross-staff is

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

10. The size of the plane table is:

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

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

13. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

14. The needle is adjusted for

15. Hydrographic survey deals with the mapping of

16. Find the length of curve if R=500 m, Intersection angle= 120°

17. A straight line tangential to the longitudinal curve of the level tube at its center is known as

18. In a closed traverse,

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

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

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

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

23. Geodetic survey is different from plane surveying because of

24. The instrument used for centering the plane table accurately is:

25. Working edge of alidade is called

26. The Bench Mark of a point is 400m. Backsight reading at the benchmark is 2.20, and the foresight reading of point A is 2.10. Find the RL of point A

27. Pick up the odd statement

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

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

30. The location of the contour gradient for a highway is best set out from

31. An instrumental error in compass survey is because

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

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

34. If W is the weight of the chain, L is the span, and P is the tension or pull, the sag correction for the chain will be

35. The last reading of leveling is always at

36. Limiting the length of offset depends upon

37. Right face and left face readings are taken to

38. The main difference between an optical square and a prism square is

39. A contour map of the area is essential before proceeding with the construction of

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

41. An imaginary line connecting the points of equal elevation on the ground surface is known as

42. The method of leveling in which the plane table is set at only one station to take detail is known as:

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

44. In the case of leveling staff readings are taken by (In the case of target staff)

45. The direction of the steepest slope on a contour is

46. Error in tacheometric surveying is due to

47. The process of turning the telescope about the vertical axis in a horizontal plane is known as

48. The whole circle bearing 338°42" converted into quadrantal form is given as

49. Find the R.F. of 1cm = 5m

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?