Surveying Online Test – Paper 3

1. If the included angle is less than 180°, the deflection angle is

2. An internal focusing type of telescope is focused by the movement of

3. "Fiducial edge" is the working edge of

4. The height of instrument method is

5. In a constant level tube, the size of the bubble remains constant because the upper wall of the tube has

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

7. The strength of fix' is poor when:

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

9. The maximum number of omitted measurements that can be calculated from latitudes and departures of a closed traverse is

10. The rise and fall method

11. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

12. The bearing of the traverse line is calculated by

13. Pick up the odd statement

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

15. Horizontal equivalent of a uniform slope must be

16. The shape of the vertical curve generally used is

17. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be

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

19. *The observed reading on a leveling staff was 3.545 m. If the staff was 0.150m off from the original ground level, what should be the correct reading?

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

21. A series of straight, parallel, and widely spaced contours on a map represent a

22. Tilting levels are used for

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

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

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

26. Limiting the length of offset depends upon

27. A building is an obstacle to

28. Bowditch's rule is applied to

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

30. Find the length of curve if radius of curve

31. If the station A and B are equally affected and in the different direction, then the difference between the forebearing and back bearing of a line AB should be

32. The angle that can be set by a French cross-staff is

33. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

34. The surface perpendicular to the direction of gravity is

35. Tacheometry is adopted where

36. When several contours coincide, it indicates

37. The image of the objectives formed should lie

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

39. Butt rods are used for measuring

40. The levelling head of a transit theodolite consists of

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

42. The smaller angle which a survey line makes with the true meridian is known as

43. For a tacheometer, the additive and multiplying constants are respectively

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

45. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

46. *Total station measures

47. If the temperature increases, the sensitivity of a bubble tube

48. The angle of intersection of a curve is the angle between

49. 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

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