Surveying Online Test – Paper 3

1. An offset scale always has the zero mark at

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

3. Magnetic declination

4. The graduations in a prismatic compass are

5. A discrepancy is the difference between

6. Normal tension is that pull which

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

8. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

9. Horizontal equivalent of a uniform slope must be

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

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

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

13. If the sights are vertical

14. 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

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

16. The minimum horizontal distance between any two consecutive contours is known as

17. If the formation level is less than the ground level, the difference between them at any point will give the

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

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

20. If the needle of the compass is sluggish the type of error will be

21. Obstacle to ranging but not chaining is

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

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

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

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

26. The image of the objectives formed should lie

27. Which one is the simplest survey?

28. Which one is wrong?

29. The intercept of a staff is

30. The two-point problem as compared to the three-point problem is:

31. Invar tapes are made of an alloy of

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

33. The absence of chromatic aberration in a telescope is known as

34. Offset angle taken in chain survey may be

35. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

36. The main difference between theodolite and level is:

37. A traverse deflection angle is

38. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

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

40. Short offsets are measured with

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

42. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

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

44. Handles are connected to the link by

45. For the construction of a highway railway

46. If a chain is found too short on testing, it can be adjusted by

47. The smaller angle which a survey line makes with the true meridian is known as

48. For Y level, Cooke's, and Cushing levels, the line of collimation should coincide with

49. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

50. Sensitivity of a level tube is expressed by