Surveying Online Test – Paper 3

1. The tie line is run through the survey to

2. The telescope is said to be normal when the

3. A building is an obstacle to

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

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

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

7. Closed contours with higher value inside represent a

8. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

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

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

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

12. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

13. A level tube is used to make the line of sight horizontal. It is filled with

14. Intersection is preferred to radiation when:

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

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

17. The chain length which is not the standard metric chain length is

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

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

20. Tacheometry is adopted where

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

22. The shape of the vertical curve generally used is

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

24. Theodolite is an instrument used for measuring

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

26. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

27. In leveling across a hill, the level should be set up on

28. *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?

29. Hydrographic survey deals with the mapping of

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

31. *Due to the curvature of the earth, objects look

32. Placing the table over the station such that the station plotted on the sheet is exactly above the corresponding station on the ground is:

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

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

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

36. The outer spindle attached to the lower plate in a transit theodolite is known as

37. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

38. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

39. An invert is taken when the point is

40. The size of the plane table is:

41. Automatic level has advantages of

42. The important points selected at the ends of the chain lines to command the boundaries of the survey are known as

43. Negative errors are caused in the chain when its length is

44. The "point of the curve" of a simple circular curve is

45. The strength of the fix of a plane table is:

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

47. The theory of probability is applied to

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

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

50. The levels to which the earthwork will have to be carried out is known as