Surveying Online Test – Paper 3

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

2. Intersection is preferred to radiation when:

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

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

5. The graduations in a prismatic compass are

6. Which one is wrong?

7. Chain surveying is used for a small area in

8. Right face and left face readings are taken to

9. Offset angle taken in chain survey may be

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

11. The perpendicular distance of the midpoint of the line from the reference meridian is known as

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

13. The angle which the true meridian makes with the magnetic meridian is called

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

15. The two-point problem and three-point problems are methods of:

16. Closed contours with higher value inside represent a

17. A benchmark (BM) is a

18. The size of the plane table is:

19. The orientation of the table is done by

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

21. *Total station measures

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

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

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

25. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

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

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

28. Well-conditioned triangle having an angle between

29. In a survey, it was recorded that Σrise = 0, then

30. The magnification of a telescope lens depends upon

31. Tellurometer uses

32. The sensitivity of the bubble tube expressed in terms of the angular value of one division of the bubble is given by

33. If the level tube is out of adjustment by an angle e, when the telescope is rotated through 180°, it becomes

34. The contour lines are perpendicular to the

35. The rise and fall method

36. In the direct method of contouring, the process of locating points lying on a contour is known as

37. The fix of the table is good when:

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

39. Tacheometry is adopted where

40. A diagonal eyepiece is provided with a

41. If the observed reading of a level staff is 3.83m, and at the point sighted the staff is 0.15m off from the vertical through the bottom, the correct reading will be

42. When the angular and linear measurements are equally precise in traversing, the balancing of the traverse is done by:

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

44. Choose the correct statement:

45. A staff reading taken on a benchmark/ known elevation or change point is known as

46. In the whole circle system, the bearings are measured

47. Handles of chains are made of

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

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

50. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is