Surveying Online Test – Paper 3

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

2. Azimuth and altitude of a star

3. In a prismatic compass,

4. The shape of the vertical curve generally used is

5. While measuring horizontal distance by stepping method we should follow

6. Bowditch's rule is applied to

7. A chain is made up of mild steel or galvanized iron wire of diameter

8. Permanent adjustment is carried out to

9. The fundamental lines of transit of the theodolite are

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

11. Offsets are

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

13. The contour line can cross one another on a map only in the case of

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

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

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

17. Parallax may be eliminated by

18. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

19. The Philadelphia rod is a type of

20. Dumpy level is used when

21. The true bearing of a line can be calculated as (Where the declination is to the east.)

22. Error in tacheometric surveying is due to

23. Offset angle taken in chain survey may be

24. Choose the correct statement:

25. The inclination of the needle to the horizontal towards the pole is called

26. The contour interval depends upon

27. Contour lines of different elevations can unite to form one line only in the case of

28. The last reading of leveling is always at

29. Indirect ranging method is adopted when two points of the chain line are:

30. 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

31. A diagonal eyepiece is provided with a

32. Least count is given by

33. *The method of leveling used to carry out the reconnaissance of an area is

34. Theodolite traverse is plotted more accurately by

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

36. *The line of collimation should be parallel to

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

38. Contour interval, within the limits of a map

39. Normal tension is that pull which

40. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

41. For the route survey of a contour map, the method used is

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

43. The amount of correction due to local attraction at a place

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

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

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

47. The accuracy of measurement in chain surveying does not depend upon

48. Tilting levels are used for

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

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