Surveying Online Test – Paper 3

1. Theodolite is an instrument used for measuring

2. The representation of general topography of a very flat terrain is possible only

3. For any point on the surface with a given inclination, the contour gradient possible is

4. Hydrographic survey deals with the mapping of

5. Offsets are

6. The resection by a two-point problem as compared to the three-point problem:

7. Contour interval, within the limits of a map

8. In the intersection method of plane tabling, the number of stations needed to be set up is:

9. Invar tapes are made of an alloy of

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

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

12. A river is an obstacle to

13. The difference between the most probable value of a quantity and its observed value is

14. Size of a theodolite is specified by

15. The three-point problem can be solved by:

16. In a prismatic compass,

17. 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

18. 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?

19. The foremost work to be executed while traversing with a compass is

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

21. A bearing noted N45° E represents

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

23. The order of accuracy of the elevation of points obtained from a contour map is equal to

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

25. *Accuracy of 'fix' by two-point problem is

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

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

28. Level surface is parallel to

29. Personal error in leveling occurs due to

30. Metallic tapes are made of

31. *The line of collimation should be parallel to

32. Area of triangle joining three corner points in comparison to the circle same three points:

33. The sensitivity of the bubble tube can be increased by

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

35. The range of accuracy in measuring distance by EDM with respect to ODM is

36. With the help of leveling, we measure

37. The theory of probability is applied to

38. The correction for curvature as applied to staff reading is

39. Crosshairs in a surveying telescope are fitted

40. A 30 m long chain when tested should not show errors exceeding

41. The function of the leveling head is

42. The types of survey used to fix property lines are

43. The vertical distance between any two consecutive contours is known as

44. 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

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

46. The limiting length of an offset does not depend upon

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

48. Short offsets are measured with

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

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