Surveying Online Test – Paper 3

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

2. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be

3. The number of horizontal cross wires in a stadia diaphragm is

4. A leveling station is a point where:

5. Metallic tapes are made of

6. The foremost work to be executed while traversing with a compass is

7. Boning rod is used

8. Closed contours with higher value inside represent a

9. A chain is made up of mild steel or galvanized iron wire of diameter

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

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

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

13. The survey stations set up during traversing with the compass should be such that

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

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

16. In a dumpy level, the objective and eyepiece lenses are made of two or more small lenses to obtain

17. The image of the objectives formed should lie

18. Magnetic declination

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

20. The needle is adjusted for

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

22. 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

23. When several contours coincide, it indicates

24. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

25. An offset more than 15m in length is known as

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

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

28. Contour lines

29. Direct distance measurement method is more suitable to measure in

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

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

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

33. The tie line is run through the survey to

34. The fundamental lines of transit of the theodolite are

35. Leveling across a river is done by

36. Open cross-staff is commonly used for setting out

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

38. An example of a level surface is

39. When the whole circle bearing of two lines AB and AC are 115° and 41° respectively, then the included angle BAC will be:

40. Distomats is a type of

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

42. If the needle of the compass is sluggish the type of error will be

43. Which one of the following is not a personal error?

44. Chain surveying is used for a small area in

45. 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

46. The angle of intersection of the horizon mirror and the index mirror of an optical square is

47. The true bearing of a line can be calculated as (Where the declination is to the east.)

48. The elevation (BM) of point A is 100 m. Backsight reading at A is 20, and foresight reading at B is 30 m. Find the RL of point B

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

50. Theodolite traverse is plotted more accurately by