Surveying Online Test – Paper 3

1. Chainage is the distance measured

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

3. Prolongation of a chain line across an obstruction in chain surveying is done by

4. Orientation is the operation of keeping the table at successive stations such that:

5. 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

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

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

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

9. Permanent adjustment is carried out to

10. The graduations in a prismatic compass are

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

12. The multiplying constant of a tacheometer is

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

14. The boundary of water of a still lake is

15. Contour interval is proportional

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

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

18. The contour lines are perpendicular to the

19. Ranging is the process of

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

21. Which one of the following is not a personal error?

22. Size of a theodolite is specified by

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

24. Boning rod is used

25. Handles of chains are made of

26. A leveling station is a point where:

27. The length of an Engineer's chain is

28. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

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

30. Setting up the plane table consists of operations:

31. The two-point problem is:

32. The error eliminated by taking the mean of both face observations is

33. Pick up the odd statement

34. Limiting the length of offset depends upon

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

36. The prismatic compass and the surveyor's compass respectively give

37. *The instrument used to measure horizontal and vertical angle is

38. For any point on the surface with a given inclination, the contour gradient possible is

39. When several contours coincide, it indicates

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

41. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

42. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called

43. The angular and linear measurement of the part of the traverse can be checked by

44. A discrepancy is the difference between

45. The rise and fall method of leveling provides a complete check on

46. Closed contours with higher value inside represent a

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

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

49. Sensitivity of a level tube is expressed by

50. A Cadastral Map is a map having