Surveying Online Test – Paper 3

1. The spacing of cross-sections in the indirect method of contouring depends upon

2. The survey stations set up during traversing with the compass should be such that

3. Azimuth (direct angles) is an angle measured in

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

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

6. An offset scale always has the zero mark at

7. An operation for determining the relative elevations of different points on the surface of the earth is known as

8. Angle of 45° with the chain line may be set out with

9. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

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

11. The method of leveling in which the plane table is set at only one station to take detail is known as:

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

13. An imaginary line lying through the surface of the ground, having a constant inclination to the horizontal, is known as

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

15. The closing error is given by

16. The device used in computing the horizontal and vertical distances rapidly and conveniently is

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

18. A bearing noted N45° E represents

19. *Due to the curvature of the earth, objects look

20. The location of the contour gradient for a highway is best set out from

21. Two contour lines, having the same elevation

22. Different grades are joined together by a

23. The contour lines are perpendicular to the

24. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

25. Choose the correct statement:

26. Least count is given by

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

28. 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

29. The designation of scale recommended by IS: 1491-1959 is

30. The reduced level of the line of collimation is 50m, and the staff reading at the base of the pillar is 1.15 m. Find the reduced level of the base of the pillar

31. The length of an Engineer's chain is

32. The two-point problem is:

33. The upper plate

34. Handles are connected to the link by

35. In a survey, it was recorded that Σrise = 0, then

36. The included angles of the theodolite traverse are generally measured

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

38. In a prismatic compass,

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

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

41. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

42. In plane table instrument for horizontal & vertical measurement without chaining

43. Geodetic survey is different from plane surveying because of

44. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

45. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

46. Which one is the simplest survey?

47. The instrument used for centering the plane table accurately is:

48. 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

49. Permanent adjustment is carried out to

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