Surveying Online Test – Paper 3

1. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

2. In a closed traverse,

3. *The two-peg method is used to check the parallelism between the

4. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

5. Boning rod is used

6. The difference between a level line and a horizontal line is that

7. The instrument used to reproduce plans to a different scale is called

8. Bowditch's rule is applied to

9. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

10. Magnetic declination

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

12. Chainage is the distance measured

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

14. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

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

16. With the help of leveling, we measure

17. Different grades are joined together by a

18. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

19. Compensating errors in chaining or other surveys are

20. A chain is made up of mild steel or galvanized iron wire of diameter

21. In an internal focusing type of telescope, the negative lens provided is

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

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

24. Revolving of the telescope of a theodolite in a horizontal plane is

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

26. The vertical distance between any two consecutive contours is known as

27. Find the length of curve if R=500 m, Intersection angle= 120°

28. 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

29. The limiting length of an offset does not depend upon

30. If the needle of the compass is sluggish the type of error will be

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

32. Which one is the simplest survey?

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

34. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

35. When the following scale is the smallest one

36. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

37. Tacheometry is best suited

38. Geodetic survey is different from plane surveying because of

39. Actually, which is not the method of plane tabling?

40. The closing error is given by

41. Which of the following terms is not associated with leveling:

42. Butt rods are used for measuring

43. Tacheometry is adopted where

44. The tacheometric method is a more suitable method for preparing the contour map of

45. Which one of the following may not be classified as personal error

46. If n observations are taken, the accidental errors are proportional to

47. Pick up the odd statement

48. Offset angle taken in chain survey may be

49. The surface perpendicular to the direction of gravity is

50. The magnetic declination at a place is 7°20' W, the bearing given by the compass is S45°40'E, the true bearing of the place is