Surveying Online Test – Paper 3

1. During chaining along a straight line, the leader of the survey party has three arrows, and while the follower has five arrows. The distance of the follower from the starting point will be

2. 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

3. With the help of leveling, we measure

4. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

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

6. Any arbitrarily assumed level line from which vertical distances are measured is known as

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

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

9. The longitudinal section of the surface of the bubble tube is

10. Metallic tapes are made of

11. 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

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

13. Automatic level has advantages of

14. In a constant level tube, the size of the bubble remains constant because the upper wall of the tube has

15. Contour interval is proportional

16. Area of triangle joining three corner points in comparison to the circle same three points:

17. A benchmark (BM) is a

18. A Cadastral Map is a map having

19. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

20. For the construction of a highway railway

21. *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?

22. The effect of local attraction is observed in

23. The stadia hairs are not used in

24. Which of the following instruments is generally used for baseline measurements?

25. The place where the reading is taken is known as

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

27. The three-point problem is concerned with:

28. The bearing of the traverse line is calculated by

29. Chain surveying is used for

30. Chain surveying is used for a small area in

31. The intercept of a staff is

32. Contour lines of different elevations can unite to form one line only in the case of

33. The process of bringing the vertical circle to the right of the observer is called

34. The fundamental lines of transit of the theodolite are

35. The trunion axis or transverse axis is

36. The image of the objectives formed should lie

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

38. 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

39. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

40. The errors due to bad ranging are

41. The contour lines merge or cross one another on the map in the case of

42. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

43. Right face and left face readings are taken to

44. Offsets are

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

46. Compensating errors in chaining or other surveys are

47. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

48. Local attraction in compass surveying may be due to

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

50. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is