Surveying Online Test – Paper 3

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

2. The process of turning the telescope about the vertical axis in a horizontal plane is known as

3. The three-point problem is concerned with:

4. Offset angle taken in chain survey may be

5. A bearing noted N45° E represents

6. The W.C.B of a line is preferred to a quadrantal bearing merely because

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

8. Which one is wrong?

9. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

10. The inclination of the needle to the horizontal towards the pole is called

11. The horizontal distances obtained by tacheometry are corrected for

12. In a double-line river, contours are

13. The purpose of triangulation in a chain survey is

14. Horizontal equivalent of a uniform slope must be

15. The absence of spherical aberration in a telescope is known as

16. The survey which is carried out to determine absolute locations and the direction of any line on the surface of the earth by making observations of heavenly bodies is called

17. Two contour lines, having the same elevation

18. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for:

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

20. 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

21. Leveling across a river is done by

22. An example of a level surface is

23. The rise and fall method

24. Normal tension is that pull which

25. During chaining along a straight line, the leader of the survey party has three arrows, and while the follower has five arrows. The distance of the follower from the starting point will be

26. If the included angle is less than 180°, the deflection angle is

27. A traverse survey can be plotted

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

29. In a closed traverse, the algebraic sum of deflection angles is

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

31. If the sights are vertical

32. The graduations in a prismatic compass are

33. A series of closely spaced contour lines represent a

34. The triangle formed by joining the position of the known points on plane table survey is known as:

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

36. A Cadastral Map is a map having

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

38. Handles of chains are made of

39. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

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

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

42. Crosshairs in a surveying telescope are fitted

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

44. Azimuth (direct angles) is an angle measured in

45. 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

46. *The line of collimation should be parallel to

47. Automatic level has advantages of

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

49. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

50. In leveling, the station where the back sight and foresight readings are taken is known as