Surveying Online Test – Paper 3

1. With the help of leveling, we measure

2. 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

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

4. Bench marks are fixed by

5. The quadrantal bearing of a line is determined by:

6. In an internal focusing type of telescope, the negative lens provided is

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

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

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

10. When a chain line encounters a river:

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

12. Horizontal equivalent of a uniform slope must be

13. The angle of intersection of the horizon mirror and the index mirror of an optical square is

14. Short offsets are measured with

15. In a closed traverse,

16. The length of an Engineer's chain is

17. The purpose of triangulation in a chain survey is

18. The RL of the benchmark is 1000.0 m, and the back sight reading at the benchmark is 2.555 m. Find the staff reading of IS if the RL of IS is 1000.055 m

19. Overturning of vehicles on a curve can be avoided by using

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

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

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

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

24. The strength of the fix of a plane table is:

25. In a double-line river, contours are

26. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

27. Under Survey, "working from whole to part" is done

28. 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?

29. Setting up the plane table consists of operations:

30. Two contour lines, having the same elevation

31. If W is the weight of the chain, L is the span, and P is the tension or pull, the sag correction for the chain will be

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

33. Compensating errors in chaining or other surveys are

34. The dip of the needle

35. The angle which the true meridian makes with the magnetic meridian is called

36. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

37. *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?

38. *Which instrument is not used in plane table

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

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

41. The three-point problem is concerned with:

42. The height of instrument method is

43. The difference between a level line and a horizontal line is that

44. The best method of interpolation of contours in the direct method of contouring is by

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

46. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

47. Compensator is used to make the line of sight perpendicular to the vertical axis in the case of

48. The magnetic bearing of a line is 60°, and the true bearing of the same line is 70°. Find the declination

49. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

50. A river is an obstacle to