Surveying Online Test

1. Which of the following is not a type of horizontal angle used in case of topographic survey?

2. A tacheometer is setup at an intermediate point on a traverse course PQ and the following observations are made on a staff held vertical. Staff Station Vertical Angle Staff Intercept Axial Hair Readings P + 9^o30′ 2.250 2.105 Q + 6^o00′ 2.055 1.975 The constants are 100 and 0. Compute the length PQ and the reduced level of Q. RL of P = 350.50 m.

3. Which of the following indicates the correct value of precise closing error if e = 0.54 and lengths of sides are 92.69 m, 119.23 m, 92.64 m, 42.96 m and 60.96 m.

4. Gamma rays are having a wavelength of _________

5. Determine the scale of the map if the distance on the map is given as 2cm which is equal to 1km on the ground.

6. The alignment selected can be certified as good if __________

7. Stadia method is based on the principle that ratio of perpendicular to the base is constant.

8. Froude’s transition is also known as___________

9. A deflection angle is an angle in which a survey line makes with prolongation of back sight.

10. In which of the following compass sighting and reading taking cannot be done simultaneously from one position of the observer?

11. Reconnaissance process will give best output only on elevated grounds.

12. For identification of length of a line, co-ordinates must be known.

13. Which of the following describes the advantage of Rankine’s method?

14. Which of the following is not a classification based on instruments used or methods employed?

15. What is the error in mm for precise levelling for benchmarks of widely distributed points?

16. One mile is equal to _______ Gunter's chains.

17. A tape may be too long or an angle measuring instrument may be out of adjustment. Then such type of error comes under which source of error?

18. Which of the following methods is extremely rough and is used for small scale work only?

19. In which direction latitude of the line is negative?

20. Ground which is having undulations is taken into consideration while setting base line.

21. Which of the following methods required two instrument stations?

22. Inaccurate levelling comes under ______ error.

23. Which of the following indicates the formula for determining ordinate in an approximate method?

24. The method of producing offsets from the chords can also be named as ____________

25. What will be value of ordinate placed at a distance of 20m having radius and length as 72.46m and 42.92m respectively?(use approximate method)

26. Which of the following is not one of the software’s of GIS?

27. A star crosses a meridian only once in its revolution.

28. In transversing by direct observation of angles, magnetic bearing of any one line can also be measured if required.

29. In which direction latitude of the line is positive?

30. Which of the following is not recommended in case of determining the scale of a tilted photograph?

31. Determine the relief displacement if the radial distance is given as 45m with a height from mean sea level and height of the station is given as 2m and 76m respectively.

32. Which of the following does not represent the condition of adjustment?

33. Magnitude of refraction depends upon which of the following factors?

34. The calculation of area by ordinate rule and Simpson’s rule will come under which category?

35. Which among the following describes the usage of the S – band?

36. The calculation of mid-area is necessary in case of a prismoidal correction.

37. Horizontal angle with the true Meridian through one of the extremities of the line is called?

38. Which of the following can act as sanitation technology?

39. Which of the following indicates the necessity of the marine surveying?

40. Which among the following represents stadia interval factor?

41. The total latitude and departure of any point with respect to a common origin are known as dependent coordinates.

42. Two contour lines of different elevations cannot cross each other.

43. In terrestrial method, both plotting recording are done simultaneously.

44. Which of the following is not a method involved in area by co-ordinate?

45. In cross sections method, cross sections are run traverse to the centre line of a road, railway or canal etc.

46. Error in altitude will be twice the horizontal error.

47. Which of the following is more in case of plane table surveying?

48. Direct ranging is done when the two ends of the survey lines are _______

49. Which of the following is the most important process in the triangulation system?

50. Which of the following should be considered while aligning a tunnel?