Surveying Online Test – Paper 3

1. Indirect ranging method is adopted when two points of the chain line are:

2. Revolving of the telescope of a theodolite in a horizontal plane is

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

4. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

5. The correction for curvature as applied to staff reading is

6. A traverse consists of six sides; then the sum of external angles must be

7. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

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

9. A 20 cm theodolite means

10. The sensitivity of the bubble tube can be increased by

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

12. For a tacheometer, the additive and multiplying constants are respectively

13. The errors due to bad ranging are

14. Angular surveying in which both the horizontal and vertical positions of a point are obtained by optical means is known as

15. If the temperature increases, the sensitivity of a bubble tube

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

17. The length of an Engineer's chain is

18. Geodetic survey is different from plane surveying because of

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

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

21. Cubic parabola is a type of

22. The longitudinal section of the surface of the bubble tube is

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

24. The two-point problem is:

25. Resection is the method employed for:

26. Metallic tapes are made of

27. Parallax may be eliminated by

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

29. The method of tacheometry in which the stadia hair intercept is fixed is known as

30. Magnetic declination

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

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

33. The vertical distance between any two consecutive contours is known as

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

35. Choose the correct statement:

36. In chain survey execution, this first step taken is

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

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

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

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

41. A poor fix of the table is:

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

43. The contour lines are perpendicular to the

44. Boning rod is used

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

46. Setting up the plane table consists of operations:

47. The minimum horizontal distance between any two consecutive contours is known as

48. Contour interval is proportional

49. Overturning of vehicles on a curve can be avoided by using

50. When several contours coincide, it indicates