Surveying Online Test – Paper 3

1. In the intersection method of plane tabling, the number of stations needed to be set up is:

2. Bowditch's rule is applied to

3. A river is an obstacle to

4. When a chain line encounters a river:

5. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

6. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

7. Right face and left face readings are taken to

8. The elevation (BM) of point A is 100 m. Backsight reading at A is 20, and foresight reading at B is 30 m. Find the RL of point B

9. Methods adopted for traversing are

10. The stadia hairs are not used in

11. An operation for determining the relative elevations of different points on the surface of the earth is known as

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

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

14. If the included angle is greater than 180°, the deflection angle is

15. Two contour lines, having the same elevation

16. If the formation level is less than the ground level, the difference between them at any point will give the

17. A poor fix of the table is:

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

19. *The observed reading on a leveling staff was 3.545 m. If the staff was 0.150m off from the original ground level, what should be the correct reading?

20. Area of triangle joining three corner points in comparison to the circle same three points:

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

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

23. Instrumental error in leveling is an error due to

24. 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

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

26. The two-point problem is:

27. Different grades are joined together by a

28. Level surface is parallel to

29. If the magnetic bearing of the sun at noon at a place in the southern hemisphere is 150°, the magnetic declination at that place is

30. The Philadelphia rod is a type of

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

32. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

33. The fundamental lines of transit of the theodolite are

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

35. A transition curve introduced between the tangent and the circular curve should

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

37. 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?

38. Positive error is caused if

39. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

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

41. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

42. *The method of leveling used to carry out the reconnaissance of an area is

43. The smaller angle which a survey line makes with the true meridian is known as

44. The tie line is run through the survey to

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

46. Subtense bar is an instrument used for the measurement of horizontal distance in

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

48. Which one of the following may not be classified as personal error

49. The angle that can be set by a French cross-staff is

50. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as