Surveying Online Test – Paper 3

1. Size of a theodolite is specified by

2. Boning rod is used

3. A traverse consists of six sides; then the sum of external angles must be

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

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

6. The stadia hairs are not used in

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

8. The range of accuracy in measuring distance by EDM with respect to ODM is

9. The sensitivity of the bubble tube expressed in terms of the angular value of one division of the bubble is given by

10. The method of tacheometry in which the stadia hair intercept is fixed is known as

11. Height of the instrument is equal to:

12. Chainage is the distance measured

13. Limiting the length of offset depends upon

14. Crosshairs in a surveying telescope are fitted

15. Handles are connected to the link by

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

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

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

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

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

21. 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

22. The three-point problem can be solved by:

23. *Total station measures

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

25. Contour lines of different elevations can unite to form one line only in the case of

26. Personal error in leveling occurs due to

27. For the construction of a highway railway

28. The last reading of leveling is always at

29. Two contour lines, having the same elevation

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

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

32. 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

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

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

35. The "point of tangency" of a simple circular curve is

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

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

38. Tilting levels are used for

39. The graduations in a prismatic compass are

40. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

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

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

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

44. An example of a level surface is

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

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

47. If the included angle is less than 180°, the deflection angle is

48. Theodolite traverse is plotted more accurately by

49. The levelling head of a transit theodolite consists of

50. Staff intercept means