Surveying Online Test – Paper 3

1. The projection of a line on a plane parallel to the meridian is known as

2. Crosshairs in a surveying telescope are fitted

3. The last reading of leveling is always at

4. The absence of chromatic aberration in a telescope is known as

5. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

6. Chain surveying is used for

7. Normal tension is that pull which

8. "A curve of varying radius introduced between two branches of a compound curve is called

9. "Fiducial edge" is the working edge of

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

11. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

12. Theodolite is an instrument used for measuring

13. The difference between a level line and a horizontal line is that

14. In a closed traverse,

15. The needle is adjusted for

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

17. *The radius of curvature of the arc of the bubble tube is generally kept

18. The errors due to bad ranging are

19. A Cadastral Map is a map having

20. In a double-line river, contours are

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

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

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

24. Metallic tapes are made of

25. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

26. The foremost work to be executed while traversing with a compass is

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

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

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

30. Instrumental error in leveling is an error due to

31. The upgrade road meets with the downgrade road, then the curve formed at the junction is called

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

33. Tellurometer uses

34. A traverse deflection angle is

35. A diagonal eyepiece is provided with a

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

37. The three-point problem can be solved by:

38. The surface perpendicular to the direction of gravity is

39. Automatic level has advantages of

40. The designation of scale recommended by IS: 1491-1959 is

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

42. The survey stations set up during traversing with the compass should be such that

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

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

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

46. Pick up the odd statement

47. The number of horizontal cross wires in a stadia diaphragm is

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

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

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