Surveying Online Test – Paper 3

1. The multiplying constant of a tacheometer is

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

3. 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?

4. Error in tacheometric surveying is due to

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

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

7. Open cross-staff is commonly used for setting out

8. For a line AB

9. The theory of probability is applied to

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

11. In the intersection method of plane tabling, the number of stations needed to be set up is:

12. Which of the following instruments is generally used for baseline measurements?

13. The process of turning the telescope about the vertical axis in a horizontal plane is known as

14. Horizontal equivalent of a uniform slope must be

15. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

16. Isogonic lines are

17. If the sights are vertical

18. The telescope is said to be normal when the

19. Contour lines look to cross each other in the case of

20. The image of the objectives formed should lie

21. Subtense bar is an instrument used for the measurement of horizontal distance in

22. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

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

24. If the temperature increases, the sensitivity of a bubble tube

25. A Cadastral Map is a map having

26. A traverse deflection angle is

27. Theodolite traverse is plotted more accurately by

28. The outer spindle attached to the lower plate in a transit theodolite is known as

29. A series of closely spaced contour lines represent a

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

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

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

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

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

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

36. Chain surveying is used for a small area in

37. The levelling head of a transit theodolite consists of

38. In a double-line river, contours are

39. Pick up the odd statement

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

41. *Error due to imperfect adjustment of plate level is termed as

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

43. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

44. A discrepancy is the difference between

45. With the help of leveling, we measure

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

47. Diurnal variation depends upon

48. Contour lines

49. *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

50. Which one is wrong?