Surveying Online Test – Paper 3

1. Closed contours with higher value inside represent a

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

3. Permanent adjustment is carried out to

4. The types of survey in which fieldwork and plotting proceed simultaneously are:

5. The quadrantal system confines the user to measure the bearings from

6. A series of closely spaced contour lines represent a

7. The types of errors that are of a cumulative nature and can be corrected are known as

8. The multiplying constant of a tacheometer is

9. In leveling, the station where the back sight and foresight readings are taken is known as

10. Contour interval, within the limits of a map

11. The quadrantal bearing of a line is determined by:

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

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

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

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

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

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

18. Compensating errors in chaining or other surveys are

19. 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

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

21. Sensitivity of a level tube is expressed by

22. 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

23. The number of links in a 30 m metric chain is

24. The representation of general topography of a very flat terrain is possible only

25. For a station to be free from local attraction

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

27. The permissible limits of error in chaining for measurement on rough or hilly ground are

28. The absence of chromatic aberration in a telescope is known as

29. A traverse consists of six sides; then the sum of external angles must be

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

31. A disadvantage of plane table survey is:

32. If the formation level is less than the ground level, the difference between them at any point will give the

33. Resection is the method employed for:

34. 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

35. The process of bringing the vertical circle to the right of the observer is called

36. The last reading of leveling is always at

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

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

39. A traverse deflection angle is

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

41. Tacheometry is best suited

42. The projection of a line on a plane parallel to the meridian is known as

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

44. The errors due to bad ranging are

45. The three-point problem is concerned with:

46. Contours are used to determine

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

48. The scale used to measure and to set out the angles is

49. The foremost work to be executed while traversing with a compass is

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