Surveying Online Test – Paper 3

1. The rise and fall method of leveling provides a complete check on

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

3. 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

4. The contour lines merge or cross one another on the map in the case of

5. *The two-peg method is used to check the parallelism between the

6. An offset scale always has the zero mark at

7. The theory of probability is applied to

8. Metallic tapes are made of

9. Contour interval is proportional

10. An imaginary line lying through the surface of the ground, having a constant inclination to the horizontal, is known as

11. Angle of 45° with the chain line may be set out with

12. The correction for curvature as applied to staff reading is

13. The function of the leveling head is

14. For Y level, Cooke's, and Cushing levels, the line of collimation should coincide with

15. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

16. 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

17. 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

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

19. If a chain is found too short on testing, it can be adjusted by

20. Find the length of curve if R=500 m, Intersection angle= 120°

21. The method of offset laying involving minimum measurement on the ground is

22. In a prismatic compass,

23. The method of plane tabling generally adopted to obtain details and plotting inaccessible points is:

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

25. The optical square is based on the principle of

26. A building is an obstacle to

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

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

29. The longest chain line passing through the center of the area is known as

30. *The instrument used to measure horizontal and vertical angle is

31. Choose the correct statement:

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

33. The magnetic north is indicated by

34. Methods adopted for traversing are

35. A series of closely spaced contour lines represent a

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

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

38. Natural error in leveling is caused due to

39. A 20 cm theodolite means

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

41. Staff intercept means

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

43. The levelling head of a transit theodolite consists of

44. The location of the contour gradient for a highway is best set out from

45. The rise and fall method

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

47. In tacheometric survey, the method which provides easy reading of the staff is

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

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

50. Normal tension is that pull which