Surveying Online Test – Paper 3

1. For the construction of a highway railway

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

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

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

5. Tellurometer uses

6. Which one of the following is not a personal error?

7. The rise and fall method

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

9. The theory of probability is applied to

10. Level surface is parallel to

11. Hydrographic survey deals with the mapping of

12. In a prismatic compass,

13. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

14. *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?

15. *Total station is

16. The trunion axis or transverse axis is

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

18. The maximum allowable limit up to which a measurement may vary from the true value is known as

19. The included angles of the theodolite traverse are generally measured

20. When the following scale is the smallest one

21. The prismatic compass and the surveyor's compass respectively give

22. 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

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

24. If the included angle is greater than 180°, the deflection angle is

25. The two-point problem is:

26. The device used in computing the horizontal and vertical distances rapidly and conveniently is

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

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

29. The perpendicular distance of the midpoint of the line from the reference meridian is known as

30. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

31. Which one is wrong?

32. If the sights are vertical

33. A disadvantage of plane table survey is:

34. Personal error in leveling occurs due to

35. If the temperature increases, the sensitivity of a bubble tube

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

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

38. The intercept of a staff is

39. In chain survey execution, this first step taken is

40. The chord of curve less than peg interval is known as

41. The principle of surveying to prevent the accumulation of errors is

42. 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?

43. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

44. A contour map of the area is essential before proceeding with the construction of

45. "Fiducial edge" is the working edge of

46. Right face and left face readings are taken to

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

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

49. 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

50. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method