Surveying Online Test – Paper 3

1. The type of survey in which horizontal and vertical distance is measured

2. Tellurometer uses

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

4. Error in tacheometric surveying is due to

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

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

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

8. The upper plate

9. 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

10. Invar tapes are made of an alloy of

11. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

12. A field is measured with a 1.0 percent too-long chain is found to be 10,000 acres. The corrected area of the field will be

13. If the level tube is out of adjustment by an angle e, when the telescope is rotated through 180°, it becomes

14. Height of the instrument is equal to:

15. "A curve of varying radius introduced between two branches of a compound curve is called

16. 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

17. The line normal to the plumb line is known as

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

19. The optical square is based on the principle of

20. Dumpy level is used when

21. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is

22. A negative declination shows the magnetic meridian to the

23. Size of a theodolite is specified by

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

25. Axis method of traverse correction is used when

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

27. A disadvantage of plane table survey is:

28. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

29. Angular surveying in which both the horizontal and vertical positions of a point are obtained by optical means is known as

30. The fix of the table is good when:

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

32. 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

33. A poor fix of the table is:

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

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

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

37. Chainage is the distance measured

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

39. In chain survey execution, this first step taken is

40. In survey works, declination varies from time to time and place to place. The main important variation is

41. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

42. The W.C.B of a line is preferred to a quadrantal bearing merely because

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

44. True meridians

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

46. During chaining along a straight line, the leader of the survey party has three arrows, and while the follower has five arrows. The distance of the follower from the starting point will be

47. A leveling station is a point where:

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

49. The "point of the curve" of a simple circular curve is

50. The levels to which the earthwork will have to be carried out is known as