Surveying Online Test – Paper 3

1. The angle of intersection of a curve is the angle between

2. The accuracy of measurement in chain surveying does not depend upon

3. The types of survey used to fix property lines are

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

5. A diagonal eyepiece is provided with a

6. The sag correction is always

7. Find the contour interval for the map, 1: 25000 in IS & FPS

8. If the needle of the compass is sluggish the type of error will be

9. Orientation is the operation of keeping the table at successive stations such that:

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

11. For a line AB

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

13. Natural error in leveling is caused due to

14. Bowditch's rule is applied to

15. For any point on the surface with a given inclination, the contour gradient possible is

16. The bearing of the traverse line is calculated by

17. The strength of the fix of a plane table is:

18. Size of a theodolite is specified by

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

20. *Total station measures

21. 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

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

23. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

24. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

25. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is

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

27. The instrument used for measuring area on a contour map is

28. Contour lines

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

30. The stadia hairs are not used in

31. *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?

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

33. Closed contours with higher value inside represent a

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

35. A discrepancy is the difference between

36. Any arbitrarily assumed level line from which vertical distances are measured is known as

37. *Which instrument is not used in plane table

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

39. The levels to which the earthwork will have to be carried out is known as

40. The resection by a two-point problem as compared to the three-point problem:

41. An imaginary line connecting the points of equal elevation on the ground surface is known as

42. Horizontal equivalent of a uniform slope must be

43. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

44. Intersection is preferred to radiation when:

45. 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

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

47. Ten readings were recorded in a level field book. If the instrument was shifted after the 2nd and 6th readings, then the foresight readings are

48. 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

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

50. Well-conditioned triangle having an angle between