Surveying Online Test – Paper 3

1. The difference between a level line and a horizontal line is that

2. *Total station measures

3. Error in tacheometric surveying is due to

4. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

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

6. *The line of collimation should be parallel to

7. The principle of surveying to prevent the accumulation of errors is

8. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

9. The maximum allowable limit up to which a measurement may vary from the true value is known as

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

11. The range of accuracy in measuring distance by EDM with respect to ODM is

12. *Accuracy of 'fix' by two-point problem is

13. Sensitivity of a level tube is expressed by

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

15. The quadrantal system confines the user to measure the bearings from

16. The "point of tangency" of a simple circular curve is

17. Handles are connected to the link by

18. The instrument used to reproduce plans to a different scale is called

19. Closed contours with higher value inside represent a

20. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

21. Size of a theodolite is specified by

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

23. 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

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

25. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

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

27. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

28. Well-conditioned triangle having an angle between

29. The rise and fall method

30. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

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

32. Contour lines

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

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

35. The advantage of anallatic lens is

36. *Total station is

37. Automatic level has advantages of

38. 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

39. A traverse deflection angle is

40. The two-point problem is:

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

42. A benchmark (BM) is a

43. The dip of the needle

44. The shape of the vertical curve generally used is

45. 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

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

47. Parallax may be eliminated by

48. The prismatic compass and the surveyor's compass respectively give

49. In a closed traverse by included angles, the sum of measured interior angles should be equal to

50. Contour interval, within the limits of a map