Surveying Online Test – Paper 3

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

2. The survey which is carried out to determine absolute locations and the direction of any line on the surface of the earth by making observations of heavenly bodies is called

3. The magnetic north is indicated by

4. The graduations in a prismatic compass are

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

6. When a chain line encounters a river:

7. The Philadelphia rod is a type of

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

9. The effect of local attraction is observed in

10. 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?

11. The position of a point can be fixed more accurately by

12. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is

13. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

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

15. Well-conditioned triangle having an angle between

16. Personal error in leveling occurs due to

17. 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

18. In a dumpy level, the objective and eyepiece lenses are made of two or more small lenses to obtain

19. Automatic level has advantages of

20. The sag correction is always

21. In the scale of a map is 1:25000, what does it mean:

22. Limiting the length of offset depends upon

23. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

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

25. The reciprocal leveling eliminates

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

27. The fundamental lines of transit of the theodolite are

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

29. A benchmark (BM) is a

30. In the case of leveling staff readings are taken by (In the case of target staff)

31. The tacheometric method is a more suitable method for preparing the contour map of

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

33. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

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

35. The stadia hairs are not used in

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

37. The type of survey in which horizontal and vertical distance is measured

38. A level tube is used to make the line of sight horizontal. It is filled with

39. The rise and fall method

40. An internal focusing type of telescope is focused by the movement of

41. Find the R.F. of 1cm = 5m

42. The multiplying constant of a tacheometer is

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

44. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

45. *The line of collimation should be parallel to

46. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

47. The chain length which is not the standard metric chain length is

48. The main difference between theodolite and level is:

49. The fix of the table is good when:

50. The number of links in a 30 m metric chain is