Surveying Online Test – Paper 3

1. The trunion axis or transverse axis is

2. 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

3. Which one of the following may not be classified as personal error

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

5. Which one is the simplest survey?

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

7. In the whole circle system, the bearings are measured

8. The main difference between an optical square and a prism square is

9. The upper plate

10. The Bench Mark of a point is 400m. Backsight reading at the benchmark is 2.20, and the foresight reading of point A is 2.10. Find the RL of point A

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

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

13. Chainage is the distance measured

14. Revolving of the telescope of a theodolite in a horizontal plane is

15. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

16. 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?

17. The horizontal distances obtained by tacheometry are corrected for

18. An invert is taken when the point is

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

20. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

21. In the direct method of contouring, the process of locating points lying on a contour is known as

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

23. An anallatic lens is provided in a tacheometer to measure the horizontal distance.

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

25. The direct method of contouring is

26. The two-point problem and three-point problems are methods of:

27. A series of closed contour lines on the map with higher to lower values inside them represent a

28. Handles of chains are made of

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

30. A series of straight, parallel, and widely spaced contours on a map represent a

31. For a tacheometer, the additive and multiplying constants are respectively

32. A traverse consists of six sides; then the sum of external angles must be

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

34. Horizontal equivalent of a uniform slope must be

35. The permissible limits of error in chaining for measurement on rough or hilly ground are

36. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

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

38. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

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

40. The magnification of a telescope lens depends upon

41. Placing the table over the station such that the station plotted on the sheet is exactly above the corresponding station on the ground is:

42. Methods adopted for traversing are

43. The main difference between theodolite and level is:

44. Resection is the method employed for:

45. For a line AB

46. The triangle formed by joining the position of the known points on plane table survey is known as:

47. A transition curve introduced between the tangent and the circular curve should

48. If the sights are vertical

49. A level line is a

50. Height of instrument method of leveling, as compared to the rise and fall method, is