Surveying Online Test – Paper 3

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

2. An internal focusing type of telescope is focused by the movement of

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

4. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

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

6. In the case of a telescopic alidade, the adjustment done is

7. The contour line can cross one another on a map only in the case of

8. 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

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

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

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

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

13. The orientation of the table is done by

14. A benchmark (BM) is a

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

16. Butt rods are used for measuring

17. Magnetic declination

18. Setting up the plane table consists of operations:

19. A leveling station is a point where:

20. The angular and linear measurement of the part of the traverse can be checked by

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

22. In a double-line river, contours are

23. A discrepancy is the difference between

24. Cubic parabola is a type of

25. Parallax may be eliminated by

26. The horizontal distances obtained by tacheometry are corrected for

27. An example of a level surface is

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

29. If the magnetic declination is (-)6°0' and the reduced bearing of a line is S40°01'E, the true bearing of the line is

30. The process of bringing the vertical circle to the right of the observer is called

31. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

32. The line normal to the plumb line is known as

33. Diurnal variation depends upon

34. A poor fix of the table is:

35. The fix of the table is good when:

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

37. Axis method of traverse correction is used when

38. The error eliminated by taking the mean of both face observations is

39. Height of the instrument is equal to:

40. The representation of general topography of a very flat terrain is possible only

41. If the station A and B are equally affected and in the different direction, then the difference between the forebearing and back bearing of a line AB should be

42. Tacheometry is best suited

43. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

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

45. Local attraction at a place may be due to

46. Dumpy level is used when

47. Well-conditioned triangle having an angle between

48. Which of the following terms is not associated with leveling:

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

50. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called