Surveying Online Test – Paper 3

1. The projection of a line on a plane perpendicular to the meridian is known as

2. In compass surveying

3. Crosshairs in a surveying telescope are fitted

4. The best method of interpolation of contours in the direct method of contouring is by

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

6. In a closed traverse,

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

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

9. The true bearing of a line can be calculated as (Where the declination is to the east.)

10. Metallic tapes are made of

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

12. Indirect ranging method is adopted when two points of the chain line are:

13. Which one is the simplest survey?

14. The multiplying constant of a tacheometer is

15. The number of links in a 30 m metric chain is

16. The curvature and refraction corrections applied to staff readings respectively are

17. Butt rods are used for measuring

18. Dumpy level is used when

19. In survey, it was recorded that Σfall = 0 then

20. 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

21. Personal error in leveling occurs due to

22. The correction for curvature as applied to staff reading is

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

24. Obstacle to ranging but not chaining is

25. The difference between the most probable value of a quantity and its observed value is

26. The main difference between an optical square and a prism square is

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

28. In leveling, the station where the back sight and foresight readings are taken is known as

29. The orientation of the table is done by

30. When the angular and linear measurements are equally precise in traversing, the balancing of the traverse is done by:

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

32. Contours are used to determine

33. The resection by a two-point problem as compared to the three-point problem:

34. The types of survey used to fix property lines are

35. The types of instrument generally used in the survey of gravity water supply system are:

36. The chord of curve less than peg interval is known as

37. Hydrographic survey deals with the mapping of

38. The survey which is carried out to determine absolute locations and the direction of any line on the surface of the earth by making observations of heavenly bodies is called

39. The height of instrument method is

40. The method of offset laying involving minimum measurement on the ground is

41. Parallax may be eliminated by

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

43. If the needle is truly magnetic and is not sluggish

44. Chainage is the distance measured

45. Direction of the closing error is given by

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

47. Fifteen readings were recorded in a level field book. If the instrument was shifted after the 5th, 10th, and 15th readings, then the foresight readings are

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

49. The process of bringing the vertical circle to the right of the observer is called

50. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is