Surveying Online Test – Paper 3

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

2. The spacing of cross-sections in the indirect method of contouring depends upon

3. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

4. 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

5. Direction of the closing error is given by

6. The errors due to bad ranging are

7. An instrumental error in compass survey is because

8. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

9. The Philadelphia rod is a type of

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

11. Local attraction at a place may be due to

12. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

13. Which one is wrong?

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

15. Leveling across a river is done by

16. In the scale of a map is 1:25000, what does it mean:

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

18. For a station to be free from local attraction

19. Bowditch's rule is applied to

20. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

21. *Total station is

22. With the help of leveling, we measure

23. In a closed traverse by included angles, the sum of measured interior angles should be equal to

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

25. A relatively fixed point of known elevation above the datum is called

26. A leveling station is a point where:

27. A field is measured with a 1.0 percent too-long chain is found to be 10,000 acres. The corrected area of the field will be

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

29. Compensating errors in chaining or other surveys are

30. The multiplying constant of a tacheometer is

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

32. 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

33. In survey works, declination varies from time to time and place to place. The main important variation is

34. The device used in computing the horizontal and vertical distances rapidly and conveniently is

35. Theodolite traverse is plotted more accurately by

36. An invert is taken when the point is

37. The position of a point can be fixed more accurately by

38. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

39. Contour interval, within the limits of a map

40. A staff reading taken on a benchmark/ known elevation or change point is known as

41. In a closed traverse,

42. The instrument used for measuring area on a contour map is

43. Limiting the length of offset depends upon

44. The closing error is given by

45. The "point of the curve" of a simple circular curve is

46. Working edge of alidade is called

47. The magnification of a telescope lens depends upon

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

49. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

50. Boning rod is used