Surveying Online Test – Paper 3

1. The strength of the fix of a plane table is:

2. The rise and fall method of leveling provides a complete check on

3. Setting up the plane table consists of operations:

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

5. Instrumental error in leveling is an error due to

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

7. An example of a level surface is

8. 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

9. The boundary of water of a still lake is

10. *Accuracy of 'fix' by two-point problem is

11. The absence of spherical aberration in a telescope is known as

12. The dip of the needle

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

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

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

16. The whole circle bearing 338°42" converted into quadrantal form is given as

17. In the case of leveling staff readings are taken by (In the case of target staff)

18. The effect of local attraction is observed in

19. The size of the plane table is:

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

21. The three-point problem is concerned with:

22. The last reading of leveling is always at

23. Hydrographic survey deals with the mapping of

24. In a closed traverse,

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

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

27. In a double-line river, contours are

28. For accurate work, in comparison to the chain, the steel band is used because it

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

30. Least count is given by

31. To orient a plane table without two inaccessible points, the method generally adopted is:

32. Actually, which is not the method of plane tabling?

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

34. Axis method of traverse correction is used when

35. In normal condition, the difference of fore and back bearing should be?

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

37. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

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

39. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

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

41. A straight line tangential to the longitudinal curve of the level tube at its center is known as

42. 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

43. An imaginary line connecting the points of equal elevation on the ground surface is known as

44. The foremost work to be executed while traversing with a compass is

45. Bowditch's rule is applied to

46. Secular variation is an important factor because

47. When several contours coincide, it indicates

48. *For the construction of highway/railway

49. The upper plate

50. The area of the earth's surface is taken into account only if the extent of the survey is more than