Surveying Online Test – Paper 3

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

2. The contour interval depends upon

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

4. "Cross-sectioning" and "Longitudinal sectioning" is

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

6. The two-point problem is:

7. The instrument used to reproduce plans to a different scale is called

8. The optical square is based on the principle of

9. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

10. The three-point problem is concerned with:

11. Sensitivity of a level tube is expressed by

12. The horizontal distances obtained by tacheometry are corrected for

13. The errors due to bad ranging are

14. *The line of collimation should be parallel to

15. The rise and fall method

16. In a closed traverse by included angles, the sum of measured interior angles should be equal to

17. In a closed traverse, the algebraic sum of deflection angles is

18. Angular surveying in which both the horizontal and vertical positions of a point are obtained by optical means is known as

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

20. For the construction of a highway railway

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

22. Horizontal equivalent of a uniform slope must be

23. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

24. In a traverse, the algebraic sum of the deflection angles, taking the right-hand deflection angles as positive and left-hand deflection as negative, should be equal to

25. The types of survey in which fieldwork and plotting proceed simultaneously are:

26. The contour lines are perpendicular to the

27. Contour interval, within the limits of a map

28. In survey, it was recorded that Σfall = 0 then

29. A straight line tangential to the longitudinal curve of the level tube at its center is known as

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

31. The outer spindle attached to the lower plate in a transit theodolite is known as

32. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

33. The two-point problem as compared to the three-point problem is:

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

35. Magnetic declination

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

37. If the needle is truly magnetic and is not sluggish

38. The important points selected at the ends of the chain lines to command the boundaries of the survey are known as

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

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

41. Tilting levels are used for

42. In a survey, it was recorded that Σrise = 0, then

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

44. Permanent adjustment is carried out to

45. Fifteen readings were recorded in a level field book. If the instrument was shifted after the 5th, 10th, and 15th readings, then the foresight readings are

46. Plane table survey is considered good as compared to other surveys since:

47. Which of the following instruments is generally used for baseline measurements?

48. Actually, which is not the method of plane tabling?

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

50. Leveling across a river is done by