Surveying Online Test – Paper 3

1. Overturning of vehicles on a curve can be avoided by using

2. An offset more than 15m in length is known as

3. The effect of local attraction is observed in

4. The upper plate

5. The multiplying constant of a tacheometer is

6. The telescope is said to be normal when the

7. In leveling across a hill, the level should be set up on

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

9. The order of accuracy of the elevation of points obtained from a contour map is equal to

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

11. Automatic level has advantages of

12. For the construction of a highway railway

13. "Cross-sectioning" and "Longitudinal sectioning" is

14. *Which instrument is not used in plane table

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

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

17. Tacheometry is best suited

18. When the whole circle bearing of two lines AB and AC are 115° and 41° respectively, then the included angle BAC will be:

19. Intersection is preferred to radiation when:

20. 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

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

22. Find the R.F. of 1cm = 5m

23. Local attraction in compass surveying may be due to

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

25. Tilting levels are used for

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

27. Staff intercept means

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

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

30. If W is the weight of the chain, L is the span, and P is the tension or pull, the sag correction for the chain will be

31. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

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

33. The errors due to bad ranging are

34. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

35. Which one of the following is not a personal error?

36. The Bench Mark of a point is 400m. Backsight reading at the benchmark is 2.20, and the foresight reading of point A is 2.10. Find the RL of point A

37. The error eliminated by taking the mean of both face observations is

38. The types of leveling used for Geodetic survey is

39. The contour interval depends upon

40. The angle of intersection of the horizon mirror and the index mirror of an optical square is

41. An example of a level surface is

42. The advantage of anallatic lens is

43. A contour map of the area is essential before proceeding with the construction of

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

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

46. When several contours coincide, it indicates

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

48. The fix of the table is good when:

49. If the magnetic declination is (-)6°0' and the reduced bearing of a line is S40°01'E, the true bearing of the line is

50. Handles are connected to the link by