Surveying Online Test – Paper 3

1. In a survey, it was recorded that Σrise = 0, then

2. 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)

3. The theory of probability is applied to

4. The angle of intersection of a curve is the angle between

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

6. Size of a theodolite is specified by

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

8. *The leveling of the instrument is done such that

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

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

11. Which of the following terms is not associated with leveling:

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

13. Negative errors are caused in the chain when its length is

14. Offset angle taken in chain survey may be

15. Tilting levels are used for

16. The upper plate

17. Right face and left face readings are taken to

18. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

19. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

20. The instrument used for centering the plane table accurately is:

21. Metallic tapes are made of

22. In a closed traverse,

23. Least count is given by

24. Theodolite traverse is plotted more accurately by

25. The length of an Engineer's chain is

26. The maximum angular error in laying the direction is 3°; if this maximum displacement of the point on paper is the same for both sources of error, the accuracy in the offset measurement will be

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

28. Plane table survey is considered good as compared to other surveys since:

29. Angle of 45° with the chain line may be set out with

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

31. The size of the plane table is:

32. A traverse survey can be plotted

33. The main difference between theodolite and level is:

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

35. Tacheometry is best suited

36. Contour interval is proportional

37. The distance between terminal points computed from a subsidiary traverse run between them is known as

38. Magnetic declination

39. 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

40. Diurnal variation depends upon

41. Contour interval, within the limits of a map

42. Which one is wrong?

43. The advantage of anallatic lens is

44. Pick up the odd statement

45. A series of closely spaced contour lines represent a

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

47. Dumpy level is used when

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

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

50. A 20 cm theodolite means