Surveying Online Test – Paper 3

1. For a line AB

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

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

4. In survey works, declination varies from time to time and place to place. The main important variation is

5. A disadvantage of plane table survey is:

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

7. The Philadelphia rod is a type of

8. A transition curve introduced between the tangent and the circular curve should

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

10. A diagonal eyepiece is provided with a

11. The fix of the table is good when:

12. The quadrantal bearing of a line is determined by:

13. The horizontal distances obtained by tacheometry are corrected for

14. Prolongation of a chain line across an obstruction in chain surveying is done by

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

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

17. The curvature and refraction corrections applied to staff readings respectively are

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

19. In a traverse, the algebraic sum of the deflection angles, taking the right-hand deflection angles as positive and left-hand deflection as negative, should be equal to

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

21. The central angle subtended by an arc of 30m of the curve

22. In a closed traverse,

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

24. The types of instrument generally used in the survey of gravity water supply system are:

25. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

26. For Y level, Cooke's, and Cushing levels, the line of collimation should coincide with

27. The type of survey in which horizontal and vertical distance is measured

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

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

30. Tacheometry is best suited

31. A relatively fixed point of known elevation above the datum is called

32. The types of errors that are of a cumulative nature and can be corrected are known as

33. Working edge of alidade is called

34. The tacheometric method is a more suitable method for preparing the contour map of

35. Offset angle taken in chain survey may be

36. Isogonic lines are

37. The best method of interpolation of contours in the direct method of contouring is by

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

39. A scale representing either three units or only one unit and its fractions up to the second place of the decimal point is

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

41. Tilting levels are used for

42. The image of the objectives formed should lie

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

44. With the help of leveling, we measure

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

46. Secular variation is an important factor because

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

48. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

49. The distance between terminal points computed from a subsidiary traverse run between them is known as

50. If n observations are taken, the accidental errors are proportional to